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China factory - Hunan Hentg Power Electric Technology Co., Ltd.

Hunan Hentg Power Electric Technology Co., Ltd.

  • China,Changsha ,Hunan
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  3. HENTG POWER 1500kVA 34.5kV/0.480kV 3 Phase Pad Mounted Transformer – Oil
China HENTG POWER 1500kVA 34.5kV/0.480kV 3 Phase Pad Mounted Transformer – Oil
China HENTG POWER 1500kVA 34.5kV/0.480kV 3 Phase Pad Mounted Transformer – Oil

  1. China HENTG POWER 1500kVA 34.5kV/0.480kV 3 Phase Pad Mounted Transformer – Oil
  2. China HENTG POWER 1500kVA 34.5kV/0.480kV 3 Phase Pad Mounted Transformer – Oil
  3. China HENTG POWER 1500kVA 34.5kV/0.480kV 3 Phase Pad Mounted Transformer – Oil

HENTG POWER 1500kVA 34.5kV/0.480kV 3 Phase Pad Mounted Transformer – Oil

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Payment Terms L/C,T/T,Western Union
Supply Ability 300-500MVA/year
Delivery Time 25 working days
Packaging Details Plywood case + waterproof film
Type Liquid-Filled, Loop Feed
Cooling ONAN, Self-Cooled
Phase Three-Phase
Frequency 60Hz
HV Voltage 34,500 V
LV Voltage 480Y/277 V
Vector Group Dyn1
Tap Range ±2 × 2.5% (2 FCAN / 2 FCBN)
Configuration Wye-N
Capacity 1.5MVA (1500kVA)
Brand Name HENTG POWER
Model Number 1500kVA 34.5kV/0.480kV
Certification UL, ISO9001, CE, IEC, Type Test
Place of Origin China

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  1. Product Details
  2. Company Details

Product Specification

Payment Terms L/C,T/T,Western Union Supply Ability 300-500MVA/year
Delivery Time 25 working days Packaging Details Plywood case + waterproof film
Type Liquid-Filled, Loop Feed Cooling ONAN, Self-Cooled
Phase Three-Phase Frequency 60Hz
HV Voltage 34,500 V LV Voltage 480Y/277 V
Vector Group Dyn1 Tap Range ±2 × 2.5% (2 FCAN / 2 FCBN)
Configuration Wye-N Capacity 1.5MVA (1500kVA)
Brand Name HENTG POWER Model Number 1500kVA 34.5kV/0.480kV
Certification UL, ISO9001, CE, IEC, Type Test Place of Origin China
High Light 1500kVA oil-immersed power transformer ，34.5kV loop feed distribution transformer ，3 phase pad mounted transformer
HENTG POWER 1500kVA 34.5kV/0.480kV 3 Phase Pad Mounted Transformer – Oil-Immersed Loop Feed Utility Distribution Transformer for North America
The HENTG POWER 1500kVA pad mounted transformer is a utility-grade 3 phase pad mounted transformer designed for underground distribution systems in the United States and Canada. This 34.5kV pad mounted transformer features a loop feed configuration, dead-front construction, and oil-immersed cooling system, making it ideal for industrial facilities, commercial buildings, solar farms, infrastructure projects, and utility distribution networks.
Primary Voltage 34.5kV
Secondary Voltage 480Y/277V
Frequency 60Hz
Cooling Type ONAN
Installation Type Outdoor Pad Mounted
Why Choose This 1500kVA Pad Mounted Transformer?
Designed for North American Utility Standards
This 3 phase pad mounted transformer is engineered according to IEEE C57 and ANSI requirements, ensuring compatibility with U.S. and Canadian utility specifications.
  • IEEE compliant insulation system
  • ANSI standard construction
  • 60Hz North American frequency
  • Utility-approved loop feed configuration
Loop Feed Pad Mounted Transformer for System Reliability
The loop feed design allows continuous service and redundancy in distribution networks. This makes it a preferred solution for:
  • Industrial power distribution
  • Data centers
  • Renewable energy plants
  • Municipal utility grids
  • Commercial developments
Oil-Immersed Transformer for Long Service Life
The oil-immersed cooling system provides stable thermal performance and enhanced durability.
  • Stable thermal performance
  • Higher overload capacity
  • Longer insulation life
  • Lower maintenance requirements
Optional natural ester fluid (FR3) available for environmentally sensitive applications.
Technical Specifications - 1500kVA 34.5kV Pad Mounted Transformer
Rated Power 1500kVA
Primary Voltage 34.5kV
Secondary Voltage 480Y/277V
Vector Group Dyn1 (customizable)
Impedance As per project requirement
BIL Up to 150kV
Tap Changer ±2*2.5% or specified range
Cooling ONAN
Enclosure Mild steel or stainless steel
Protection Bayonet fuse + current limiting fuse
Front Type Dead-front with load break bushings
Optional Accessories
  • Liquid level gauge
  • Pressure relief valve
  • Temperature indicator
  • Sudden pressure relay
  • Remote monitoring system
Common Challenges in North American Projects - And Our Solutions
Long Lead Times from Local Manufacturers
Many U.S. manufacturers have extended delivery schedules.
Solution: Optimized production planning and stable supply chain reduce overall project waiting time.
Utility Approval Delays
Non-compliant transformers cause project rejection.
Solution: Designed in accordance with IEEE C57 standards to meet utility engineering review requirements.
Harsh Outdoor Environments
Coastal and industrial sites require enhanced corrosion resistance.
Solution: Optional stainless steel tank and advanced powder coating system for long-term durability.
Safety and Liability Requirements
Dead-front safety is mandatory in North America.
Solution: Fully compartmentalized HV/LV sections and dead-front load break interfaces for operator protection.
FAQ - 1500kVA 34.5kV 3 Phase Pad Mounted Transformer
Is this transformer suitable for U.S. utility distribution systems?
Yes. It is engineered for North American utility applications and 60Hz systems.
Can impedance and BIL be customized?
Yes. We customize technical parameters according to EPC and utility specifications.
Is this pad mounted transformer suitable for solar farms?
Yes. It is widely used in renewable energy and battery storage integration projects.
What type of insulation fluid is used?
Standard mineral oil. Natural ester fluid optional.
Do you provide routine and type test reports?
Yes. Factory test reports are provided in accordance with IEEE testing standards.
About HENTG POWER
HENTG POWER is a professional manufacturer of pad mounted transformers and oil-immersed distribution transformers serving North American industrial, commercial, renewable, and utility markets.
Core Products:
  • Pad mounted transformer
  • 3 phase pad mounted transformer
  • Loop feed transformer
  • Oil immersed transformer
  • Utility distribution transformer
With intelligent automated production lines and strict quality control, HENTG POWER delivers high-efficiency, low-loss, and long-life transformer solutions designed for long-term performance and grid reliability.

Company Details

Bronze Gleitlager

,

Bronze Sleeve Bushings

 and 

Graphite Plugged Bushings

 from Quality China Factory

  • Business Type:

    Manufacturer

  • Year Established:

    2011

  • Total Annual:

    300-500MVA

  • Employee Number:

    150~200

  • Ecer Certification：

    Verified Supplier

Our HENTG POWER is a leading transformer manufacturer in China with over 15 years of industry experience, specializing in reliable MV and HV transformer solutions for global power systems since 2011. With a 100,000 m² manufacturing facility, over 250 skilled workers, 30+ senior engineers, and... Our HENTG POWER is a leading transformer manufacturer in China with over 15 years of industry experience, specializing in reliable MV and HV transformer solutions for global power systems since 2011. With a 100,000 m² manufacturing facility, over 250 skilled workers, 30+ senior engineers, and...

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Get in touch with us

  • Reach Us
  • Hunan Hentg Power Electric Technology Co., Ltd.
  • Room905, D6 building, CCSP Industrial Park, Yuelu District, Changsha，Hunan province, China
  • https://www.hentgpower.com/

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