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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 High Efficiency Three Phase Oil Filled Transformer 630KVA 800KVA 50Hz Frequency
China High Efficiency Three Phase Oil Filled Transformer 630KVA 800KVA 50Hz Frequency

  1. China High Efficiency Three Phase Oil Filled Transformer 630KVA 800KVA 50Hz Frequency
  2. China High Efficiency Three Phase Oil Filled Transformer 630KVA 800KVA 50Hz Frequency

High Efficiency Three Phase Oil Filled Transformer 630KVA 800KVA 50Hz Frequency

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Product Specification

High Light Three Phase Oil Filled Transformer 630KVA50Hz Frequency Oil Filled TransformerCustomized Three Phase Oil Filled Transformer
High Efficiency Three Phase Oil Filled Transformer 630KVA 800KVA 50Hz Frequency Customized
Product Specifications
Attribute Value
Frequency 50Hz
Phase Three
Coil Number Two Windings, Multi Winding, Three Windings, Single Winding
Application Power Transformer
Coil Structure Round coil, Shell-Type Coil
Output Voltage 220V, 380V, 400V, 440V, 480V
Input Voltage 11kV, 10.5kV, 3kV, 12.47kV, 6.6kV
Type Oil-Immersed Transformer, Oil Type
Customized Accept
Winding Material 100% Copper/Aluminum
Cooling Method ONAN ONAF
Capacity 630kVA, 800kVA
Vector Group Dyn11 / Yyn0
Usage Power Distribution System Power Transformer
Product Overview

Our oil-immersed distribution transformers range from 30kVA to 2500kVA, with voltage levels up to 35kV. They are widely used in power utilities, renewable energy, industrial facilities, railway systems, and urban infrastructure. Designed to IEC and ANSI standards, our transformers offer high efficiency, low losses, and long service life, suitable for both indoor and outdoor environments.

The Type S13 oil-immersed distribution transformer is based on the original S11 distribution transformer, incorporating new materials and technologies through independent innovation and technology introduction. Optimized core and coil structure design reduces no-load loss and noise by an average of 20% compared to JB/T10088-2004 standards, achieving domestic advanced performance levels.

Ideal distribution equipment for urban and rural distribution network centers.

High-efficiency three-phase oil-immersed transformer installation Industrial power transformer in operation
Technical Parameters
Rated Capacity (KVA) Vector Group Voltage Combination HV Tapping Range LV No-load Loss Load Loss No-load Current Impedance
30 Yyn0 / Dyn11 10 6.3 6 ±5% ±2X2.5% 0.4 80 630 600 1.5 4.0
800 700 7500 7500 0.6
Our Service Process
Step 1:

We respond to inquiries within 1 hour, providing suitable transformer recommendations, reasonable quotations, and payment terms. Our professional drawing and technical teams confirm all drawing details within 7 days after payment, including technical data, weight, and parts list.

Step 2:

After finalizing production drawings, we prepare stock, manufacture, and conduct quality inspections. We provide QC and test reports, with raw materials strictly screened for quality assurance.

Step 3:

We offer professional installation guidance and on-site support, with more than 2 years warranty service.

Why Choose Our Transformers?
  • Professional 30+ senior engineers offer 24 hours online service with 30-minute response time
  • 100,000m² factory with 250 workers and 30+ engineers
  • 4 production lines with 10,000+ sets annual capacity
  • 100% OQC testing with 25 detection parameters
  • 15 years power transformer design and production experience
  • Compliance with GB 20052-2024/ANSI/IEEE/DOE2016/CSA/IEC60076 standards
  • Cross-industry power transformer solutions
  • Global on-site technical support
Transformer manufacturing facility with quality control inspection
Frequently Asked Questions
Who are we?

HENTG POWER is a professional designer, manufacturer and installer of power system solutions worldwide, founded in 2011 with 100,000 square meter facility, specializing in reliable, high-performance solutions for global power systems.

How do we guarantee quality?

We conduct pre-production sampling, final inspection before shipment, and provide QC & test reports. We accept Factory Acceptance Tests (FAT) and manufacture oil/dry type transformers up to 500KV 480MVA, GIS, switchgear, and substations to international standards with over 2 years warranty service.

What services do we provide?

We accept OEM orders with negotiated business payment terms, offering comprehensive technical support and customized solutions.

Contact Us for More Information

Company Details

Bronze Gleitlager

,

Bronze Sleeve Bushings

 and 

Graphite Plugged Bushings

 from Quality China Factory
  • Business Type:

    Manufacturer,Exporter,Trading Company,Seller

  • Year Established:

    2011

  • Total Annual:

    50000000-100000000

  • Employee Number:

    200~250

  • Ecer Certification:

    Verified Supplier

 HENTG Power is an ISO9001 certified transformer manufacturer specializing in reliable, high-performance solutions for global power systems since 2011. With an 100,000 m² factory, over 250 skilled workers, more than 30 senior engineers, and 10+ professional testing engineers, HENTG P...  HENTG Power is an ISO9001 certified transformer manufacturer specializing in reliable, high-performance solutions for global power systems since 2011. With an 100,000 m² factory, over 250 skilled workers, more than 30 senior engineers, and 10+ professional testing engineers, HENTG P...

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Get in touch with us

  • Reach Us
  • Hunan Hentg Power Electric Technology Co., Ltd.
  • China Hunan Changsha,Room 908, Building D6, Zhongdian Software Park, Dongfanghong Street
  • https://www.ecer.com/corp/uuuf953-hentgpower2025.html

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