Engineered with meticulous attention to detail, the 10KV 250KVA Three-Phase Low Loss Distribution Transformer sets a new standard in efficient power management. Its innovative oil-immersed design, featuring advanced winding techniques and high-quality materials, ensures exceptional voltage accuracy and significantly reduced energy losses. This transformer is crafted to deliver consistent, high-grade power for both modern urban infrastructures and specialized industrial applications, while its fully sealed construction and efficient natural cooling system guarantee superior thermal regulation and minimal upkeep. Ideal for utilities aiming to optimize performance and operational cost, the 10KV 250KVA Transformer is a reliable, sustainable solution for today’s evolving power distribution networks.

The 10kV 315kVA Three-Phase Low Loss Distribution Transformer is engineered for maximum energy efficiency and long-term reliability. Utilizing advanced oil-immersed technology, it significantly reduces no-load and load losses while ensuring superior thermal performance and insulation. Its high-quality cold-rolled silicon steel core minimizes electromagnetic losses, while the fully sealed structure prevents oil oxidation, extending service life with minimal maintenance. Designed for stable voltage regulation under varying load conditions, this transformer is an ideal solution for urban substations, commercial complexes, and industrial applications requiring dependable, low-loss power distribution.

The 10kV 400kVA Three-Phase Low Loss Distribution Transformer is a high-efficiency power solution designed for demanding urban and industrial applications. Utilizing advanced oil-immersed technology, it minimizes no-load and load losses, enhancing energy savings while ensuring superior thermal stability. Its core is crafted from high-quality cold-rolled silicon steel, reducing magnetic losses and boosting overall efficiency. The transformer features a fully sealed oil tank that prevents insulation degradation, extending its operational lifespan. With precise voltage regulation and low noise operation, it is an ideal choice for urban substations, commercial centers, and specialized industrial networks, delivering consistent and reliable power performance.

The 10kV 500kVA Three-Phase Low Loss Distribution Transformer is designed for superior energy efficiency and long-term reliability in urban substations and industrial power networks. Utilizing advanced oil-immersed technology, it significantly reduces core losses and improves overall energy conservation. Its high-quality cold-rolled silicon steel core enhances magnetic permeability, while precision-engineered copper windings ensure optimal conductivity and minimal load losses. The fully sealed oil tank design prevents insulation degradation, extending operational lifespan with minimal maintenance. With excellent voltage regulation, low noise levels, and robust thermal stability, this transformer delivers dependable performance for high-demand power distribution applications.

The 10kV 630kVA Three-Phase Low Loss Distribution Transformer redefines energy efficiency with its cutting-edge oil-immersed design. Engineered for superior performance, it minimizes no-load and load losses while ensuring precise voltage regulation for stable and efficient power distribution. Constructed with high-quality cold-rolled silicon steel and oxygen-free copper windings, it enhances conductivity and reduces energy dissipation. The fully sealed oil tank prevents oxidation and extends service life, making it an ideal solution for urban substations, industrial operations, and critical power infrastructures. With low noise, high reliability, and minimal maintenance requirements, it guarantees uninterrupted power for demanding applications.

Engineered to meet modern power demands, the 11KV 800KVA Three Phase Low Loss Distribution Transformer is built with advanced oil-immersed technology that dramatically minimizes both no-load and load losses. Precision-engineered with high-performance oxygen-free copper windings and a robust core structure, it ensures uniform magnetic flux and outstanding voltage regulation. The fully sealed design and efficient ONAN natural cooling system—with integrated corrugated radiators—provide superior thermal management and extend the transformer's operational life. Ideal for urban distribution networks and demanding industrial applications, this transformer delivers stable, high-quality power under fluctuating loads, while its enhanced safety features and low noise output make it a reliable, environmentally friendly solution for next-generation power systems.

Engineered to meet modern energy demands, the 11KV 1000KVA Three Phase Low Loss Distribution Transformer is built with cutting-edge oil-immersed technology that guarantees superior voltage regulation and exceptional efficiency. Its innovative design integrates high-grade, oxygen-free copper windings with precision-engineered silicon steel cores to significantly reduce both no-load and load losses, ensuring consistent power delivery even under variable loads. The fully sealed construction, paired with an efficient natural cooling system, offers outstanding thermal management and minimizes maintenance requirements, making it ideal for both industrial facilities and urban power networks. With its robust, low-loss performance and sustainable design, this transformer is the optimal solution for next-generation power distribution challenges.

The 11KV 1250KVA Three Phase Low Loss Distribution Transformer is meticulously engineered for modern power networks, offering exceptional voltage precision and energy conservation. Its innovative oil-immersed architecture combines high-grade oxygen-free copper windings with precision-rolled silicon steel cores to ensure uniform magnetic flux and superior performance under varying load conditions. The transformer’s fully sealed design and natural oil-cooling system provide robust thermal management and low maintenance requirements, making it ideally suited for both densely populated urban grids and heavy industrial installations. With reduced no-load and on-load losses, this transformer delivers consistent, high-quality power while supporting sustainable energy practices and long-term operational reliability.

The 11KV 1600KVA Three Phase Low Loss Distribution Transformer sets a new benchmark in modern power distribution. Engineered with an innovative oil-immersed design, it integrates advanced core and winding technologies to achieve superior voltage regulation and energy efficiency. Premium oxygen-free copper windings and high-permeability cold-rolled silicon steel ensure uniform magnetic flux, reducing both no-load and on-load losses significantly. The fully sealed construction, combined with an optimized natural cooling system featuring advanced radiator fins, enhances thermal performance while minimizing maintenance requirements. Designed for the demands of urban power grids and industrial environments, this transformer offers consistent, reliable power delivery even under variable load conditions, low noise emissions for sensitive areas, and robust safety features for long-term durability. Ideal for sustainable energy management and modern grid applications, the transformer is the ultimate solution for cost-effective, high-performance power distribution.

The 11kV 2000kVA Three Phase Low Loss Distribution Transformer is engineered with premium materials and cutting-edge manufacturing techniques to achieve outstanding energy efficiency. Leveraging innovative coil, frame, and insulation technologies, this transformer delivers exceptionally low no-load and load losses while maintaining a balanced magnetic circuit for optimal performance. It departs from conventional designs by featuring a unique wound core structure composed of three-phase column yokes arranged in a three-dimensional triangular layout, all housed within a single frame. High-grade cold-rolled silicon steel, precision-cut using CNC technology, is continuously wound to form near-circular or folded arc configurations, and a vacuum nitrogen annealing process further enhances magnetic permeability and reduces residual stresses. With a state-of-the-art oil-immersed cooling system ensuring precise voltage regulation and minimal operational losses, this transformer sets a new benchmark for reliable, energy-efficient power distribution in both urban and industrial three-phase networks.

The 11KV 2500KVA Three Phase Low Loss Distribution Transformer represents a breakthrough in power distribution technology, meticulously engineered for optimal efficiency and reliability. Utilizing innovative coil and core manufacturing methods, this transformer features a uniquely configured three-dimensional wound core assembled from high-grade cold-rolled silicon steel, precision-cut via CNC to ensure a balanced magnetic circuit with significantly reduced no-load and load losses. Advanced vacuum annealing processes eliminate residual stresses and enhance magnetic permeability, while specially designed high and low voltage winding techniques deliver a robust, compact structure with minimal noise and reduced no-load current. With its oil-immersed design and fully sealed construction, the transformer not only achieves precise voltage regulation and energy-saving performance but also withstands environmental challenges, making it an ideal solution for modern urban grids, industrial applications, and green energy initiatives.

​The 20KV 2500KVA Three Phase Low Loss Distribution Transformer exemplifies modern advancements in high-voltage distribution technology. Its innovative oil-immersed design enhances power supply capacity, ensures superior voltage quality, and significantly reduces energy losses within the power system. This efficiency not only leads to substantial cost savings in power system construction but also promotes energy conservation. The transformer accommodates capacities ranging from 100kVA to 3000kVA. Its low-voltage windings typically feature a cylindrical structure crafted from copper foil, while the high-voltage windings employ a multi-layer cylindrical configuration. This design ensures uniform ampere-turn distribution, minimizes magnetic leakage, and enhances mechanical strength, resulting in robust short-circuit resistance. The core and windings are securely fastened with self-locking nuts, and the suspended core structure effectively withstands transportation stresses. Employing vacuum drying for the coil and core, along with vacuum filtering and oil injection processes for the transformer oil, minimizes internal moisture. The corrugated oil tank adapts to oil volume changes due to temperature variations, eliminating the need for an oil conservator and effectively isolating the transformer oil from external contaminants. These features collectively ensure maintenance-free operation under normal conditions, significantly reducing maintenance costs and extending the transformer's service life. Ideal for urban substations and heavy industrial networks, the transformer delivers ultra-low energy losses and precise voltage regulation, providing consistent and reliable power distribution.

Presenting our 35KV 3150KVA Three Phase Low Loss Distribution Transformer—a cutting-edge solution engineered with advanced oil-immersed technology to achieve exceptionally low no-load and on-load losses. Designed in strict adherence to standards such as ANSI C57.12.00, IEC 60076, GB 1097, and GB/T6451, this transformer features a premium C.R.G.O. core and oxygen-free copper windings for precise voltage control and enhanced durability. Tailored for high-voltage industrial applications and urban substations, our transformer delivers a sleek, reliable, and safe power distribution solution that meets the demanding energy needs of modern infrastructure.

44kV 4000kVA Three Phase Oil Immersed Transformer by Welldone Power Transformer meets CSA C88 standards for reliable power conversion across North and South America. This step-down transformer efficiently converts a 44kV primary supply to a stable secondary output of 600Y/346V, ensuring seamless integration into industrial power networks. Engineered with an advanced KNAN/KNAF cooling system and robust fan assembly, it maintains optimal operating temperatures under load. Eco-friendly vegetable oil is used as the insulating medium to enhance performance, extend service life, and support sustainable operations. Safety features include precise oil level and temperature monitoring with automatic alarms and protective trip contacts, along with a secured oil drain valve to prevent unauthorized access.

Engineered to power mission-critical infrastructures, this advanced 6.3kV 400kVA dry type transformer delivers robust, oil-free energy with outstanding voltage stability and energy efficiency. Its streamlined, compact architecture is optimized for industrial automation, commercial operations, and high-reliability applications. Designed to modernize substations at facilities such as the CHE Hydroelectric Power Plant, this three-phase unit operates without a conventional protective enclosure, ensuring a maintenance‑free, durable solution that reliably supplies 0.4kV AC at 50Hz with minimal losses.

Our innovative three-phase epoxy-resin dry-type transformers, designed in compliance with IEC726 and GB/T10228-1997 standards, offer exceptional performance for modern power transmission and distribution systems with a compact, lightweight build that minimizes losses and noise while delivering excellent damp-proof capabilities, high mechanical durability, flame resistance, robust overload capacity, and low partial discharge characteristics—making them ideal for heavy load centers and environments requiring advanced fire protection; meanwhile, the 10KV 1600KVA dry type transformer provides reliable, high-performance power distribution through its oil-free design, engineered for optimal voltage stability and efficient thermal management, ensuring maintenance-free operation in demanding industrial and commercial settings, and together, these advanced transformers set a new standard in energy management solutions.

​Designed to modernize the 20 kV substation at the CHE Hydroelectric Power Plant, this 400 kVA dry-type transformer exemplifies cutting-edge electrical engineering. Its robust, maintenance-free construction ensures reliable operation without the need for protective casing, making it ideal for supplying 0.4 kV AC services in a 50 Hz environment. Operating without oil, this air-cooled transformer offers precise voltage control and enhanced safety, making it well-suited for demanding industrial and commercial applications.

The 20KV 2500KVA Dry Type Transformer is a robust solution for high-voltage environments, engineered to excel in both industrial and commercial settings. Its oil-free design enhances fire safety while reducing energy losses and minimizing maintenance needs, ensuring a reliable power supply. In parallel, our three-phase epoxy-resin dry-type transformers comply with IEC726 and GB/T10228-1997 standards, offering a compact, lightweight design that delivers low noise, superior moisture resistance, excellent mechanical strength, and flame retardancy. Additionally, their strong overload capability and low partial discharge characteristics make them ideal for demanding power transmission and distribution systems—especially in heavy load centers and areas with rigorous fire protection requirements.

The 5000 kVA Dry Transformer is engineered to modernize 35 kV substations, as demonstrated at the CHE Hydroelectric Power Plant. This robust three-phase unit features an oil-free, air-cooled design with epoxy-impregnated windings, delivering maintenance-free, durable performance for 0.4 kV AC services at 50 Hz. Built without a protective casing, it offers superior efficiency, enhanced safety, and precise voltage control—ideal for demanding industrial and urban power applications.

The 10KV 630KVA Prefabricated Compact Substation is a cutting-edge solution for modern energy distribution, seamlessly integrating high-voltage switchgear, distribution transformers, and low-voltage power distribution devices into a single, compact unit. Designed for three-phase AC systems with a rated voltage of 10/0.4kV, it effectively serves various applications, including factories, mines, oil fields, ports, airports, urban public buildings, highways, and underground facilities. Its robust construction ensures durability, while its compact design allows for easy installation in space-constrained environments. By incorporating advanced digital controls and safety features, the YB substation offers reliable and efficient performance, meeting the evolving demands of modern electrical networks.

The 11KV 1600KVA Prefabricated Compact Substation is an innovative power distribution solution that integrates high-voltage switchgear, distribution transformers, and low-voltage panels into a single, compact unit. Designed for flexibility, it supports both ring network and terminal configurations, making it suitable for various applications, including urban grid enhancements, industrial facilities, and renewable energy integrations. Its robust construction ensures durability, while its compact design allows for easy installation in space-constrained environments. By incorporating advanced digital controls and safety features, the YBW substation offers reliable and efficient performance, meeting the evolving demands of modern electrical networks.

The 33KV 2000KVA Prefabricated Compact Substation is a highly efficient, ready-to-deploy solution designed to meet the demands of modern electrical distribution. By integrating key components such as high-voltage switchgear, distribution transformers, and low-voltage panels into a single, space-saving unit, this substation offers a seamless approach to power management. Built for use in three-phase AC systems with a rated voltage of 33kV, it’s ideal for a range of applications from industrial plants to urban infrastructure and energy-heavy environments like oil fields and ports. The ZGS substation’s modular design ensures fast, hassle-free installation while maintaining maximum reliability and operational safety. Its durable, weather-resistant housing protects the internal equipment from harsh environmental conditions, making it a versatile choice for both indoor and outdoor use. With a focus on sustainability and energy efficiency, the ZGS provides stable voltage regulation and is equipped with intelligent control systems that support real-time monitoring and fault detection. Whether for new constructions or network upgrades, this compact substation offers a robust and scalable solution for modern energy needs.

The 35KV 2400KVA Prefabricated Compact Substation is a cutting-edge power distribution solution that integrates high-voltage switchgear, distribution transformers, and low-voltage panels into a single, compact unit, designed for three-phase AC systems with a rated voltage of 35KV. This substation is ideal for various applications, including factories, mines, oil fields, ports, airports, urban public buildings, highways, and underground facilities. Its robust construction ensures durability, while its compact design allows for easy installation in space-constrained environments. Incorporating advanced digital controls and safety features, the ZBW substation delivers reliable and efficient performance, meeting the evolving demands of modern electrical networks.

The 33/44/55 MVA 3‑Phase Power Transformer is a high‑performance, three‑winding, oil‑immersed unit tailored for utility and renewable energy infrastructures. Engineered to IEEE/ANSI/NEMA standards, it offers three cooling modes—natural ONAN (33 MVA), single‑fan ONAF1 (44 MVA), and dual‑fan ONAF2 (55 MVA)—to match load demands without interruptions. Dual primary configurations (138 kV/34.5 kV or 69 kV/34.5 kV) feed a grounded 13.8 kV secondary via a Dyn11 vector group. Low‑loss silicon‑steel cores and copper windings deliver exceptional efficiency, while a conservator with silica‑gel breather preserves oil integrity. Designed for harsh environments (–20 °F to +110 °F, heavy icing, 100 mph winds), this transformer integrates comprehensive protection relays and temperature monitoring, ensuring reliable step‑up/step‑down service in solar farms, substations, and critical power hubs.

The 1 MVA 3‑Phase Power Transformer is a compact, oil‑filled unit designed to deliver reliable medium‑voltage power in commercial, light‑industrial, and rural distribution networks. Built to IEC 60076 and ANSI/IEEE standards, it steps down 11 kV (or customer‑specified primary up to 36 kV) to 415 V (or up to 690 V) with a Dyn11 connection for stable, grounded secondary output. Natural ONAN cooling supports continuous 1 MVA load, while optional ONAF fans boost capacity to 1.1 MVA under peak demands. A ±2×2.5 % off‑circuit tap changer allows fine voltage tuning, and a sealed conservator with silica‑gel breather maintains oil purity across –25 °C to +40 °C environments. With low noise, minimal footprint, and straightforward pad or skid mounting, it’s ideal where space, efficiency, and uptime are critical.

Our 5MVA 3 Phase Power Transformer is engineered for reliable, medium-scale power distribution across diverse networks. This oil-immersed transformer boasts a robust design that meets IEC standards, featuring an integrated on-load tap changer for precise voltage regulation. Built with a high-grade core and premium copper windings, it minimizes energy losses and ensures consistent performance over its expected lifecycle. The transformer’s efficient ONAN cooling system—optionally enhanced with forced-air cooling—ensures thermal stability even under fluctuating load conditions. Its compact, modular construction is ideal for both indoor substations and outdoor installations, capable of operating within a wide ambient temperature range. Comprehensive protection devices, including thermal, pressure, and overload safeguards, enhance operational safety in critical applications. With its versatile connection configuration and customizable voltage options, this transformer is perfectly suited for industrial complexes, commercial infrastructure, renewable energy systems, and utility networks requiring efficient, uninterrupted power delivery.

The 25 MVA 3-Phase Power Transformer is a robust, oil-immersed unit engineered to serve high-demand industrial loads with precision and reliability. Built to IEEE C57 standards, it steps down 24.5 kV Delta to 14.4 kV Wye, delivering 25 MVA in natural ONAN cooling and up to 30 MVA when its first-stage ONAF fan engages. Its copper windings and Dyn1 connection group provide stable voltage regulation, while a ±2.5 % (5-step) off-circuit tap changer allows fine tuning under varying load conditions. The sealed conservator tank and silica-gel breather maintain oil purity across –20 °C to +45 °C, and porcelain bushings rated to 125 kV BIL (HV) and 95 kV BIL (LV) ensure long-term dielectric integrity. Disassembled for safe transit and reassembled on-site, this transformer combines straightforward installation with proven performance for mission-critical applications.

Engineered for high-demand transmission and industrial applications, the 50 MVA 3-Phase Power Transformer offers robust performance under the toughest conditions. Built to IEEE C57.12.00 and C57.12.90 standards, it steps down 34.5 kV Delta to 13.8 kV Wye with a Dyn1 vector group. Its copper windings and mineral oil type II deliver exceptional efficiency and thermal stability, with natural ONAN cooling managing a 65 °C temperature rise. A ±10 % on-load tap changer allows precise voltage regulation without interrupting service. Porcelain bushings rated 150/95 kV BIL and a weather-sealed enclosure ensure long-term reliability in outdoor substations and industrial sites.

The 200 MVA 3‑Phase Power Transformer is a heavy‑duty, oil‑filled unit engineered for outdoor transmission and substation applications. Built to DSTU EN 60076‑1 (equivalent to IEC 60076) and ANSI/IEEE standards, it steps down 220 kV to 18 kV with a Dyn11 vector group. Its robust OFAF (Oil Forced Air Forced) cooling maintains a 65 °C oil—and winding—rise under continuous 200 MVA loads, and its on‑load tap changer (±2 × 2.5 %) ensures precise voltage regulation without service interruption. Designed for a 30‑year service life, this transformer withstands full‑wave lightning impulses up to 750 kV, 2‑second short circuits at 11 % impedance, and maintains noise below 85 dB. Modular rail‑mounted transport and galvanized control cabinets simplify installation in utility grids, data centers, renewable farms, and industrial plants.

The 400 MVA 3‑Phase Power Transformer is a high‑capacity autotransformer engineered for outdoor transmission applications in temperate climates. Built to DSTU EN 60076‑1 and GOST standards, it steps down 330 kV to 165 kV with a Yna connection, delivering 400 MVA continuous through a three‑stage cooling system (ONAN → ONAF → OFAF). Its low‑loss core and optimized winding geometry yield a peak efficiency of 99.797 %, while robust construction—including a bell‑type tank with elastic membrane conservator—ensures a 30‑year service life. Rated for altitudes up to 1 000 m and ambient temperatures from –40 °C to +45 °C, this transformer features a ±8.4 %/ +7.2 % eight‑step on‑load tap changer, comprehensive safety relays, and galvanized control cabinets, making it ideal for critical power corridors.

The 220KV 63MVA 3 Phase Power Transformer is engineered for demanding high-voltage transmission applications in harsh outdoor environments. This advanced unit features a three-winding conservator design and is built to IEC standards for reliability and performance. Its on-load tap changer (OLTC) provides 21 precise tap positions with ±1.25% increments, ensuring optimal voltage regulation over a wide range of operating conditions. Designed for stability under extreme climates—with high ambient temperatures up to 50°C and sub-zero conditions down to -5°C—this transformer combines robust core construction, high-quality copper windings, and a durable, coated tank to deliver long-term service even in corrosive and tropical environments. Its efficient ONAN/ONAF cooling system guarantees that the unit maintains safe operating temperatures while minimizing energy losses and ensuring consistent performance in critical power distribution networks.

​The 220 kV 3-Phase Oil-Immersed Electric Power Transformer combines cutting-edge low-loss design with robust protection to serve modern transmission systems. Independently developed from leading domestic and international techniques, this transformer delivers 30 % lower no-load losses than IEC benchmarks and exhibits partial-discharge levels under 80 pC at 1.5× rated voltage. Its conservator tank with silica-gel breather preserves oil integrity over –20 °C to +100 °C swings, while an IP55 enclosure shields critical components from dust and moisture. A ±8 × 1.5 % on-load tap changer on the high-voltage side enables fine voltage adjustments under load. Built per IEC 60076, ANSI/IEEE C57.12, and GOST R 52719, it offers high short-circuit withstand and long-term reliability, with zero field failures or oil leaks reported in service units.

Introducing our 150KV 120MVA 3 Phase Power Transformer—an advanced, high-performance solution crafted for critical gas turbine projects. This conservator-type, oil-immersed transformer is built on a robust core design using high-conductivity copper windings, ensuring optimal energy transfer and exceptional reliability. The unit is equipped with a state-of-the-art 17-step on-load tap changer, facilitating precise voltage adjustments and seamless integration into demanding power systems. Engineered to operate under both natural and forced-air cooling modes (ONAN/ONAF), it delivers consistent performance in harsh environments while complying with the strict IEC standards. Designed for outdoor installation, its rugged construction and comprehensive protection features make it an ideal choice for modern power generation and distribution networks.

The 150 kV 150 MVA 3-Phase Power Transformer is an advanced, oil-immersed unit engineered for major transmission corridors and large utility substations. It meets IEC 60076 and ANSI/IEEE C57.12 standards for performance and safety. Its conservator-type tank, fitted with a self-regenerating silica-gel breather, maintains optimal oil quality across –20 °C to +100 °C ambient variations. Continuous natural cooling (ONAN) supports 90 MVA operation, while staged forced-air cooling (ONAF1/ONAF2) elevates capacity to 120 MVA and 150 MVA respectively, all at a controlled 65 °C temperature rise. A 17-step on-load tap changer provides ±8 × 1.25 % voltage regulation under load, ensuring downstream stability. The IP55-rated enclosure and high-integrity porcelain bushings (650 kV/150 kV BIL) deliver robust protection in demanding outdoor settings.

​The 150 kV 250 MVA 3-Phase Power Transformer is a heavy-duty, oil-immersed unit tailored for high-capacity transmission corridors and major substations. Engineered to meet IEC 60076 and ANSI/IEEE C57.12 requirements, it delivers continuous 250 MVA operation in ONAN mode and scales to 300 MVA/350 MVA under staged forced-air cooling (ONAF1/ONAF2). Its conservator-type tank—equipped with a self-regenerating silica-gel breather—ensures moisture-free insulation and stable oil levels across –20 °C to +100 °C. A 17-step on-load tap changer on the high-voltage side provides ±8 × 1.25 % regulation, maintaining precise output under load swings. With IP55 protection, robust porcelain bushings, and full type- and routine-test certification including lightning impulse and two-second short-circuit withstand, this transformer guarantees reliable service in challenging outdoor environments.

Our 132KV 60MVA 3 Phase Power Transformer is engineered for heavy-duty high-voltage transmission applications in challenging environments. This oil-immersed, conservator-type transformer features a free-breathing design and an on-load tap changer with 17 precise tap settings, each offering a 1.5% voltage adjustment. Built to exceed IEC standards, it delivers exceptional performance with a controlled temperature rise that stays well within safe limits, even in tropical or corrosive climates. Designed for outdoor deployment, its robust construction, including high-grade winding materials and a welded conservator, guarantees long-term reliability and efficient energy distribution, making it ideal for modern power grids and critical infrastructure projects.

The 132 kV 75 MVA 3‑Phase Power Transformer is a heavy‑duty, oil‑immersed unit engineered for high‑voltage transmission networks. It complies with IEC 60076 and EN standards, delivering over 99 % efficiency under full load. Its conservator‑type tank with self‑regenerating silica‑gel breather maintains oil purity and volume under temperature swings. Equipped with a ±5 % (2×2.5 %) on‑load tap changer on the HV side, it provides precise voltage control to stabilize downstream equipment. The IP55‑rated enclosure shields internal components from dust and water ingress, ensuring reliable outdoor operation. Forced oil‑air cooling (ONAF) plus natural cooling (ONAN) enables continuous operation at 75 MVA and short‑term overload up to 82 MVA without thermal stress.

The 138 kV 3‑Phase Power Transformer is an oil‑immersed, conservator‑type unit engineered for high‑voltage transmission and substation use, delivering up to 120 MVA in ONAN/ONAF cooling modes with efficiency exceeding 99 % under full load. Its ±8×1.25 % on‑load tap changer provides fine voltage regulation, maintaining stable output despite load fluctuations. Built to GB 6451, IEC 60076, ANSI/IEEE C57.12, and EN 60076 standards, it features an IP55‑rated tank, self‑regenerating silica‑gel breather, and robust porcelain bushings rated up to 650 kV BIL for long‑term reliability. With comprehensive type and routine testing—including lightning impulse and 2‑second short‑circuit withstand—this transformer ensures exceptional performance in demanding outdoor environments.

The 115kV 35MVA three-phase power transformer is a high-performance electrical unit engineered to meet the rigorous demands of modern power distribution systems. Designed for both conventional and renewable energy applications, this transformer ensures efficient voltage conversion and reliable operation. With a rated power of 35,000 kVA, it features a primary voltage of 115 kV and a secondary voltage of 13.8 kV. The transformer employs a versatile cooling system with ONAN, ONAF1, and ONAF2 modes, accommodating varying load conditions. Its YNd1 vector group configuration and 60 Hz frequency compatibility make it suitable for diverse grid requirements. The mineral oil-immersed insulation system provides effective cooling and electrical isolation, while the temperature rise limits of 55°C for oil and 65°C for windings ensure safe operation. Designed for outdoor service, it can operate at altitudes up to 1260 meters. Built to IEEE standards, this transformer delivers high reliability and performance in various applications, including renewable energy projects, industrial power distribution, and grid stabilization.

The 31.5 MVA 115/34.5 kV 3-Phase Power Transformer is engineered for continuous operation in demanding substation environments. Designed to meet IEC 60076 standards, it offers reliable performance with a robust ONAN/ONAF cooling system. The transformer features a 32-step on-load tap changer for precise voltage regulation and is equipped with comprehensive safety and monitoring accessories, including Buchholz relays and thermal imaging. Its compact design and outdoor suitability make it ideal for installations where space is limited.

Engineered for uncompromising performance in high-voltage power distribution, our 110KV 16MVA 3 Phase Power Transformer is a robust oil-immersed unit built for the most demanding applications. Designed to meet IEC and EU standards, it features an advanced tap adjustment mechanism that offers precise voltage regulation across a wide operating range. Its high-quality copper windings and cold-rolled silicon steel core ensure longevity and operational integrity while maintaining energy efficiency at an impressive 99.64%. With protective coatings and a resilient construction ideal for outdoor installation, this transformer adapts seamlessly to shifting load conditions, making it the optimal choice for modern substations, renewable energy interconnections, and critical grid infrastructures.

The 69kV 35MVA three-phase power transformer is a robust and efficient solution for medium- to large-scale substations, ensuring reliable power distribution even under varying load conditions. Its three-phase, dual-winding core type structure is designed to handle substantial electrical loads, with a primary voltage rating of 69 kV and a secondary voltage of 13.8 kV. The transformer features a one-stage cooling system: it operates at a full load capacity of 30 MVA under natural air cooling (ONAN) and can reach up to 35 MVA when the fan is activated (ONAF). On-load voltage regulation is facilitated through a ±8 × 1.25% tap range, allowing for precise adjustments to accommodate fluctuations in the power supply. Built with high-quality materials and advanced design principles, this transformer offers robust performance and longevity, even in challenging environmental conditions. Its compliance with international standards ensures safety and reliability in power distribution applications.

The 69kV 30MVA three-phase power transformer is a high-performance unit designed for efficient and reliable power distribution in medium- to large-scale substations. With a primary voltage rating of 69 kV and a secondary voltage of 13.8 kV, it is engineered to handle substantial electrical loads. The transformer features a three-phase, dual-winding core type structure, ensuring stable and continuous operation under varying load conditions. It employs an oil-immersed cooling system, utilizing natural air cooling (ONAN) under normal conditions and enhanced fan-assisted cooling (ONAF) during peak loads, to maintain optimal temperature levels. On-load voltage regulation is facilitated through a ±8 × 1.25% tap range, allowing for precise adjustments to accommodate fluctuations in the power supply. Built with high-quality materials and advanced design principles, this transformer offers robust performance and longevity, even in challenging environmental conditions. Its compliance with international standards ensures safety and reliability in power distribution applications.​

Introducing our 15KVA Single Phase Pad Mounted Transformer – a precision-engineered solution tailored for modern power distribution needs. This transformer is designed to support diverse voltage configurations, providing flexibility for multiple installation scenarios. It meets stringent safety and efficiency standards, offering reliable performance in both indoor and outdoor environments. Constructed with durable materials and advanced oil-cooling technology, it delivers consistent power quality while reducing operating costs. Its compact, dead-front or live-front design facilitates quick installation and secure operation, making it an ideal choice for residential, commercial, and public facilities that demand efficiency and long-term reliability.

The 25 kVA Single Phase Pad Mounted Transformer is engineered to deliver reliable, cost-effective power for residential, utility, and light-commercial applications. Designed and built to exceed ANSI/IEEE, CSA, NEMA, and DOE 2016 efficiency standards, this transformer ensures minimal losses (98.63 % efficiency) while operating continuously under ONAN (oil-natural, air-natural) cooling. Its sealed, sea-foam green enclosure protects internal components from weather, dust, and tampering. Primary voltages are selectable across 2.4 kV to 34.5 kV ranges (e.g., 24 940Y/14 400 V, 12 470Y/7 200 V), with a five-position off-circuit tap changer enabling ±2×2.5 % adjustment for fine voltage regulation. Secondary outputs include 120/240 V, 240/480 V, and 347/600 V options, making it ideal for neighborhood overhead networks, single-family homes, and small commercial districts seeking safe, quiet, and efficient power distribution.

The 37.5 kVA Single Phase Pad Mounted Transformer is a UL/cUL-listed, DOE-compliant unit designed for reliable power delivery in utility, residential, and light-commercial settings. Built to CSA C227.3 and ANSI/IEEE standards, its dead-front or live-front configuration offers flexible voltage options—from 24.94 kV/14.4 kV down to 12.47 kV/7.2 kV on the primary side—and secondary selections up to 600 V. The robust ONAN cooling system ensures stable operation at full load, while a compact, weatherproof tank painted in Seafoam Green blends seamlessly into streetscapes and neighborhood installations.

The 50 kVA Single Phase Pad‑Mounted Transformer is a compact, oil‑filled distribution unit engineered for safe, efficient service in overhead and underground feeder networks. Built to IEEE C57.12.38 and CSA C227.3 standards—and UL/cUL listed—it supports primary voltages from 7.2 kV up to 24.94 kV with precise ±2×2.5 % off‑circuit taps. Its dead‑front or live‑front enclosure houses an additive‑polarity core and aluminum windings immersed in high‑grade mineral oil, delivering 50 kVA at 60 Hz with natural ONAN cooling. With a sealed, tamper‑resistant tank and ANSI 70 Munsell green finish, this transformer blends into residential, utility, and light‑commercial settings while maintaining ≤ 30 kV/150 kV BIL insulation integrity.

Engineered for robust industrial distribution, the 34.5 kV 225 kVA Three-Phase Pad-Mounted Transformer delivers dependable power in compact, weatherproof enclosures. Manufactured to CSA C227.4 and cUL standards, it steps down 34.5 kV Delta to 600Y/347 V with minimal losses—≤ 650 W no-load and ≤ 2 350 W full-load—while maintaining ≥ 99 % efficiency under normal conditions. Its KNAN cooling system combines oil circulation with natural air convection, ensuring stable operation at altitudes up to 1 500 m. With ANSI 70 light-gray paint and sealed compartments, it resists harsh outdoor environments while offering a total weight under 2 300 kg for streamlined pad mounting.

Introducing our state‐of‐the‐art 1000KVA Three Phase Pad Mounted Transformer, engineered to meet the demanding needs of modern power distribution. This transformer features versatile voltage configurations and robust three-phase architecture, ensuring stable, efficient energy conversion for critical infrastructures. Built with advanced oil cooling technology and superior insulation systems, it offers outstanding performance in urban, industrial, and renewable energy settings. Its secure pad-mounted design is optimized for outdoor installation, providing both aesthetic appeal and enhanced safety. Ideal for projects that demand precise voltage regulation and minimal energy loss, this transformer delivers reliability and longevity across diverse applications.

The 2500 kVA Three-Phase Pad-Mounted Transformer delivers dependable medium-voltage distribution in a compact, tamper-resistant enclosure. Certified to IEEE, CSA, DOE, and UL/cUL standards, it handles up to 34.5 kV primary feeds and steps down to customer-specified secondaries (e.g., 4 160Y/240 V or 480Y/277 V) with Dyn1 or Ynyn0 connections. Natural ONAN cooling sustains 2.5 MVA continuous load, while high-efficiency core and winding design meet DOE 2016 efficiency mandates (≥ 99.4 %). Built on a welded-steel padmount frame, it resists moisture, dust, and vandalism—ideal for BESS, EV charging, crypto-mining, wind/solar farms, and light-industrial sites.

The 1.5 MVA (1500 kVA) Three‑Phase Pad‑Mounted Transformer delivers robust, utility‑grade power in a secure, tamper‑resistant enclosure. Compliant with IEEE/ANSI C57, CAN/CSA C227, DOE 2016, and NEMA standards, it steps down medium‑voltage feeds (up to 34.5 kV) to customer‑specified secondary voltages (e.g., 480Y/277 V or 4160Y/240 V) with Dyn11 or Ynyn0 vector groups. Seven off‑circuit tap positions (±2×2.5 %) provide fine voltage adjustment. ONAN cooling maintains a 65 °C temperature rise, and its high‑efficiency design (99.48 %) minimizes losses and operating costs. Ideal for BESS, data centers, wind and solar farms, EV charging parks, and utility distribution hubs, this transformer combines a compact footprint, customizable configurations, and proven reliability.

Introducing our advanced 1000kVA Skid Mounted Substation Transformer, a state-of-the-art solution that delivers precise power conversion in a compact, modular design while ensuring exceptional reliability and efficiency in even the most demanding environments. Engineered to exceed global performance benchmarks, it complies with stringent AS/NZS 60076 and IEC 60076 standards, making it ideal for a wide range of applications from skid-mounted substations to complex systems in mining, power stations, industrial, and commercial sectors. Our extensive transformer services, covering distribution transformers below 35kV and high voltage units above 66kV, further underscore our commitment to providing innovative, customized solutions that deliver robust performance and seamless integration across diverse power networks.

The 5000 kVA Skid-Mounted Substation Transformer is a turnkey solution for rapid deployment in medium-voltage distribution networks. Housed on a heavy-duty skid frame, it steps down primary voltages up to 44 kV to 4.16 kV (or custom secondary levels) with ±5 % on-load tap adjustment (41.8 – 46.2 kV range). Built to CSA C88 and UL/cUL standards, its conservator tank with silica-gel breather maintains oil purity, while ONAN cooling supports continuous 5 MVA operation. Crafted for outdoor installations—from EV charging stations to data centers and renewable energy plants—this transformer delivers reliable performance, low maintenance, and straightforward skid-mounted integration for projects requiring fast, modular substation builds.

The 10/12.5 MVA (10,000 kVA) Skid-Mounted Substation Transformer is a turnkey solution for rapid deployment of medium-voltage distribution systems. Engineered to CSA C88-16 and IEEE C57 standards, this unit accommodates primary voltages up to 46 kV and steps down to 13.8 kV or other custom secondary voltages. Housed on a robust skid frame, it features ONAN cooling for continuous 10 MVA operation and can be uprated to 12.5 MVA with slight forced-air assistance. With a compact footprint and factory-integrated control and protection assemblies, it delivers reliable performance for utility grids, EV charging stations, BESS sites, Bitcoin mining farms, and industrial campuses—all under UL/cUL certification.

Discover the next generation of power conversion with our cutting-edge 15KVA single-phase pole-mounted transformer, meticulously engineered for unwavering voltage stability and delivering exceptional performance across residential, commercial, and renewable microgrid applications. Designed in strict accordance with global standards—including IEEE C57.12.00, IEEE C57.12.20, DOE-2016 Efficiency, CSA C2.1 & 2.2, and CSA C802.1—this transformer offers robust construction and precise regulation even under demanding conditions, while its innovative approach to customization ensures that each unit is tailored to meet specific technical requirements, providing seamless integration, optimal efficiency, and reliable energy distribution as an indispensable component for modern, sustainable power systems.

Our 37.5 kVA Single Phase Pole Mounted Transformer is a compact, oil-filled unit engineered for overhead distribution in utility, residential, and commercial networks. Compliant with IEEE C57.12.20, ANSI C57.12, DOE 2016, CSA C2.1/C2.2, and CSA C802.1 standards, it delivers up to 37.5 kVA at full load with natural ONAN cooling. The transformer supports a wide primary voltage range (2.4–34.5 kV) with off-circuit taps spanning ±2×2.5 % of nominal, and secondary voltages from 120/240 V up to 347/600 V. Rugged BIL ratings (30–150 kV) and a choice of additive or subtractive polarity ensure seamless integration into any pole-mount scheme. Finished in ANSI 70 Seafoam Green, its sealed, corrosion-resistant tank blends discreetly into streetscapes while safeguarding internal components.

Discover our Tier2 1000kVA Oil Filled Distribution Transformer—an advanced solution engineered for high-performance energy distribution. Designed to exceed BS EN 60076 standards and Tier2 EU requirements, this transformer marries cutting‐edge insulation technology with eco‐efficient oil cooling to deliver consistent voltage regulation and superior load management. Its robust build, meticulous craftsmanship, and detailed engineering make it ideal for environments demanding reliability and low-maintenance operation. Perfect for critical infrastructure, this transformer supports precise voltage control in dynamic industrial and utility applications while keeping energy losses to a minimum.

The 800 kVA Amorphous Core Distribution Transformer is an EcoDesign-certified solution engineered to minimize energy losses while delivering robust service in modern distribution networks. Built to IEC 60076 standards, this unit features a high-permeability amorphous steel core and aluminium windings, achieving no-load losses as low as 345 W—up to 40 % below conventional designs. Its ONAN cooling and Class A insulation allow continuous operation at 60 °C oil rise and 65 °C winding rise, making it ideal for temperate and tropical climates. A five-step off-circuit tap switch (±7½ %/–5 %) provides flexible voltage regulation, while Dyn11 vector grouping ensures compatibility with grounded secondary systems.

Low Voltage Switchgear stands as a pivotal component in modern electrical systems, integrating circuit breakers, fuses, and switches within robust metal enclosures. Engineered for precision and safety, this innovative technology optimizes power distribution across industrial, commercial, and utility networks while adhering to stringent IEEE and IEC standards. Its modular design and advanced automation not only enhance system reliability but also provide critical protection by effectively managing current flow. By emphasizing efficiency and safety, Low Voltage Switchgear ensures seamless integration and superior performance, making it indispensable for maintaining a resilient and secure power infrastructure.

Medium Voltage Switchgear is the cornerstone of modern electrical infrastructures, integrating advanced circuit protection devices—circuit breakers, fuses, and switches—within a durable metal enclosure. Designed to precisely manage, isolate, and distribute power, it plays a critical role in safeguarding equipment and personnel across industrial and utility environments. Adhering to rigorous IEEE and IEC standards, this innovative solution features a compact, modular architecture paired with smart automation, ensuring high-performance power distribution and robust safety for mission-critical applications. Its state-of-the-art design not only streamlines electrical management but also minimizes system downtime, making Medium Voltage Switchgear an indispensable asset in demanding power networks.

High Voltage Switchgear represents a state-of-the-art solution designed for critical, high-power environments. In today's advanced electrical systems, switchgear is the centralized assembly of essential circuit protection components—circuit breakers, fuses, and switches—that secure, control, and isolate power. These components are mounted in rugged metal enclosures and configured into modular arrays to meet the demanding needs of utility transmission, distribution networks, and industrial or commercial facilities. Adhering to rigorous IEEE and IEC standards, these systems not only manage power distribution with precision but also safeguard both equipment and personnel by regulating current flow. Our High Voltage Switchgear, enhanced with innovative digital automation and rapid fault isolation capabilities, is engineered to ensure optimal reliability and efficiency, making it indispensable for high-stakes power distribution and safety-critical applications.

The Oil Immersed Reactor (OIR) is an essential component in modern power systems, designed to manage reactive power and stabilize voltage levels efficiently. Its innovative oil-immersed construction enhances performance by providing superior thermal management and insulation, which are crucial for high- and low-voltage applications. The oil not only cools the reactor by dissipating heat generated during operation but also prevents electrical breakdown, ensuring reliable and safe functionality. With its durable design, the OIR delivers long-lasting, low-maintenance performance, making it ideal for demanding power environments. Furthermore, the reactor plays a critical role in harmonic filtering, helping to reduce distortion and improve the quality of the electrical supply. The Oil Immersed Reactor is an advanced solution for voltage stabilization and reactive power compensation, ensuring optimal system efficiency and reliability.

The Dry Type Reactor (DTR) is an advanced solution designed for efficient reactive power compensation, voltage regulation, and harmonic filtering in both high and low voltage systems. With its innovative dry insulation technology, the DTR eliminates the need for oil-based cooling or insulation, making it an environmentally friendly and safe alternative for various industrial and commercial applications. Its robust, maintenance-free design ensures long-lasting reliability, providing consistent performance even in the most demanding power environments. Ideal for areas where space is limited, the Dry Type Reactor offers a compact, reliable, and safe option for optimizing power quality and enhancing system efficiency without the risks associated with oil-filled reactors.

The Line Reactor is a critical component for ensuring precise harmonic mitigation and voltage stabilization in both high and low voltage power systems. By being placed in series between the power source and sensitive equipment, it effectively regulates current flow and protects against voltage spikes, harmonics, and other electrical disturbances. With its rugged and compact design, the Line Reactor enhances power quality, ensuring smooth and stable operation in diverse industrial, commercial, and renewable energy applications. This reliable solution improves system efficiency, extends the lifespan of equipment, and helps maintain optimal performance, making it an essential choice for any setup requiring consistent, high-quality power management.

The Output Reactor is a highly engineered solution designed to optimize power delivery by minimizing harmonic distortion and stabilizing voltage in both high and low voltage systems. Its advanced, oil-free construction ensures precise output control and reliable, maintenance-free performance, making it ideal for critical industrial applications. By effectively reducing voltage fluctuations and electrical disturbances, the Output Reactor guarantees smooth, uninterrupted operation of sensitive equipment such as variable frequency drives (VFDs) and inverters. This powerful device enhances overall power quality, providing protection against harmful harmonics and ensuring system stability in demanding environments.

The Filter Reactor is a vital component in power systems, designed to provide superior harmonic mitigation and voltage stabilization across both high and low voltage networks. Its innovative, oil-free design and durable construction ensure outstanding power quality and reliability with minimal maintenance requirements. By working alongside other filtering devices like capacitor banks, the Filter Reactor helps absorb and limit harmful harmonic currents, significantly improving the overall efficiency and stability of the electrical system. This advanced reactor plays a crucial role in protecting sensitive equipment from harmonic distortion, ensuring smooth and stable operation, making it an ideal choice for demanding industrial applications and critical power environments.

The Air Core Reactor is an advanced solution for harmonic filtering and voltage stabilization, designed to provide reliable, oil-free performance in both high and low voltage networks. Its innovative air-based core design offers a lightweight and compact alternative to traditional reactors, making it an ideal choice for applications where space and weight are critical factors. The Air Core Reactor efficiently controls reactive power and mitigates harmonic distortion, ensuring smooth and stable operation in dynamic power systems. With its robust, maintenance-free construction, it delivers exceptional power quality and system reliability, making it a top choice for industrial, commercial, and renewable energy applications.

The Dry Type Iron Core Low Voltage Series Reactor is a highly efficient and reliable solution designed to enhance power quality in low-voltage power systems. With its innovative dry insulation and robust iron core construction, this reactor provides precise harmonic filtering, voltage stabilization, and reactive power control. By eliminating the need for oil-based insulation and cooling, it offers a safer, environmentally friendly alternative for industrial and commercial installations. Engineered for high efficiency and low maintenance, the Dry Type Iron Core Low Voltage Series Reactor ensures extended reliability and optimal performance in demanding power distribution environments, making it a perfect choice for reducing harmonic distortion and protecting sensitive equipment from voltage fluctuations.

The Dry Type Iron Core High Voltage Series Reactor is a cutting-edge solution designed to enhance harmonic suppression and voltage stabilization in high-voltage networks. With its innovative, oil-free design, this reactor leverages a robust iron core to deliver efficient reactive power control and reduce harmonic distortion, ensuring stable power flow in demanding systems. Its dry-type construction eliminates the need for oil insulation and cooling, making it an environmentally friendly and safer choice for high-voltage applications. Offering reliable, maintenance-free performance, the Dry Type Iron Core High Voltage Series Reactor is ideal for critical power infrastructure, providing long-lasting, efficient operation in industrial, commercial, and energy applications.