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China factories

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

Hunan Hentg Power Electric Technology Co., Ltd.

  • China,Changsha ,Hunan
  • Verified Supplier
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China Electrical transformers High Voltage Transformer 400kva Power transformers for
China Electrical transformers High Voltage Transformer 400kva Power transformers for

  1. China Electrical transformers High Voltage Transformer 400kva Power transformers for
  2. China Electrical transformers High Voltage Transformer 400kva Power transformers for

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  1. Product Details
  2. Company Details

Product Specification

High Light 400kva oil immersed transformer ，400kva oil immersed electrical transformer ，high voltage oil immersed transformer
High Voltage Transformer 400kVA Power Transformers
Product Overview

S20 type energy-efficient secondary oil-immersed transformer with low loss, high efficiency, and customizable design. Ideal for industrial, grid, and renewable energy projects. Compliant with IEC/ANSI standards.

35kV 400kVA oil-immersed power transformer
Technical Specifications
Type Power transformer, distribution transformer, Oil-filled Transformer
Frequency 50Hz, 60Hz
Winding Material Copper
Application Power Distribution System
Phase Three
Coil Structure Layered Winding
Cooling Method ONAN, ONAF, OFAF
Vector Group Dyn11/Yyn0
Performance Data
Rated Capacity (KVA) Vector Group Voltage Combination No-load Loss Load Loss Impedance
30 Yyn0 / Dyn11 10/6.3/6 70 505/480 4.0
50 90 730/695
63 100 870/830
80 115 1050/1000
100 135 1265/1200
125 150 1510/1440
160 180 1850/1760
200 215 2185/2080
250 260 2560/2440
315 305 3065/2920
400 370 3615/3440
500 430 4330/4120
630 510 4960/4960 4.5
800 630 6000/6000
1000 745 8240/8240
1250 870 9600/9600
1600 1050 11600/11600
2000 1225 14640/14640 5.0
2500 1440 14840/14840
Key Features
  • Available in capacities from 30KVA to 2500KVA
  • Multiple cooling options: ONAN (Oil Natural Air Natural) and ONAF (Oil Natural Air Forced)
  • Flexible installation: Suitable for indoor/outdoor, pad-mounted, or pole-mounted applications
  • Reduces project costs by adapting to environmental constraints
  • High efficiency with low loss design
  • Customizable solutions available
Frequently Asked Questions
Who are we?
HENTG POWER is a professional designer, manufacturer and installer of power system solutions worldwide. Founded in 2011 with a 100,000 square meter facility, we specialize in reliable, high-performance solutions for global power systems.
How can we guarantee quality?
We conduct pre-production sampling and final inspection before shipment, providing QC & test reports. We accept Factory Acceptance Tests (FAT). Our factory produces oil-type and dry-type distribution transformers up to 500KV 480MVA, GIS, switchgear, and substations, compliant with ANSI/IEEE/DOE2016/CSA/IEC60076 standards. We offer a 2+ year guarantee service.
Why choose us?
We have professional drawing and technical teams that can confirm all drawing contents within 7 days. Our technical team includes 30+ senior engineers providing 24/7 online support with 30-minute response times.
What services can we provide?
We accept OEM orders with negotiable payment terms.

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:

    200~250

  • Ecer Certification：

    Verified Supplier

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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.ecer.com/corp/uuuf953-hentgpower2025.html

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