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1.5MVA（1500KVA） Three Phase Pad Mounted Transformer

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.

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Product Accessories

Digital Supervisory Interface: Monitors transformer performance in real time.

Automated Load Tap Adjustment Module: Enables seamless voltage control under varying loads.

Oil Filtration & Condition Assessment Kit: Optimizes oil purity and insulation integrity.

High-Voltage Terminal Block Assembly: Provides secure, customized connectivity.

Dual Thermal & Pressure Sensor Suite: Continuously tracks operational conditions.

Vibration Absorption Isolation Kit: Minimizes mechanical stress for enhanced durability.

Surge Voltage Suppression Unit: Protects against transient overvoltage events.

Advanced Data Logging System: Records operational metrics for performance analysis.

Robust Grounding & Bonding Assembly: Ensures safe, reliable installation.

Comprehensive Installation & Maintenance Guide: Offers detailed support for setup and upkeep.

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Product Specifications

Rated Power

1 500 kVA (1.5 MVA)

Primary Voltage

34.5/19.92 kV, 13.8/7.957 kV, 13.2/7.62 kV

Secondary Voltage

480Y/277 V; 4160Y/240 V; up to 600Y/347 V

Tap Range

±2×2.5 % (7 positions)

Vector Group

Dyn11 or Ynyn0

Cooling Method

ONAN

Frequency

60 Hz

Impedance

6.00 %

Oil Capacity

1 690 L

Efficiency

99.48 %

Product Applications

Economy is more affordable

Supports reliable power distribution for railways, metro systems, and airport transit hubs.

Critical Transportation Networks
Supplies consistent, high-quality power for manufacturing and processing plants.

Heavy Industrial Facilities
Seamlessly integrates wind and solar installations into existing grids.

Distributed Renewable Energy Systems
Enhances city grid stability with precise voltage regulation.

Urban High-Voltage Substation Upgrades

Product Advantages

High Efficiency & Low Loss

Meets DOE 2016 mandates with a streamlined core design, reducing no‑load and load losses.

Flexible Voltage Configuration

Broad primary/secondary ranges and off‑circuit tap settings adapt to diverse utility and site requirements.

Compact, Maintenance‑Friendly Design

ONAN cooling, accessible hinged panels, and integrated sampling valves simplify routine servicing.

WellDone Power Transformer Plan Drawing

FAQ

What range of transformer products do you offer and which standards do they meet?

We manufacture a diverse array of transformers including Oil-Immersed Distribution Transformers, Dry Type Transformers, Power Transformers, Three Phase Pad Mounted Transformers, Single Phase Pad Mounted Transformers, Substation Transformers, and Pole Mounted Transformers. Our technical team, with nearly 20 years of industry experience, ensures that our designs comply with international standards such as ANSI, IEEE, DOE, CSA, AS, AZS, GOST, IEC, and more. Additionally, many of our products have obtained UL, cUL, and CSA certifications, affirming their safety and performance in global markets.
How do you ensure the quality and reliability of your transformers?

Our transformers are produced under a rigorous quality management system covering every stage from material selection to final testing. Each product comes with a minimum 24-month warranty, ensuring long-term safety and reliability. This commitment to quality has earned the trust of global customers and leading industry players.
What are your production lead times, customization options, and global market reach?

For standard models, our production lead time is typically 10 to 25 days, and we offer flexible OEM/ODM services for customized projects. We also tailor packaging solutions to meet specific customer requirements. Our transformers are exported worldwide—including North America, Europe, South America, Australia, Asia, and Africa—with successful partnerships involving renowned companies. For more details or personalized support, please contact us via email or WhatsApp.

1.5MVA Three Phase Pad Mounted Transformer 1500KVA Three Phase Pad Mounted Transformer 1.5MVA（1500KVA） Three Phase Pad Mounted Transformer

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