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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 Electric Power Distribution High Voltage 35kV to 630-3150kV 3 Phase Oil Immersed
China Electric Power Distribution High Voltage 35kV to 630-3150kV 3 Phase Oil Immersed

  1. China Electric Power Distribution High Voltage 35kV to 630-3150kV 3 Phase Oil Immersed

Electric Power Distribution High Voltage 35kV to 630-3150kV 3 Phase Oil Immersed

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  1. Product Details
  2. Company Details

Product Specification

High Light 35kv power transformer35kv outdoor electrical transformerhigh voltage power transformer
Electric Power Distribution High Voltage 35kV to 630-3150kV 3 Phase Oil Immersed Substation Transformer
Product Specifications
Frequency 50Hz, 60Hz, 50/60Hz
Phase Three
Application Power Transformer
Output Voltage 380V, 400V, 440V, 480V, 11kV
Input Voltage 6.6kV, 6.3kV, 6kV, 10kV, 35kV, 69kV, 110kV, 115kV, 132kV
Type Oil-Immersed Transformer
Rated Capacity 800KVA~31500KVA
Cooling Method Oil Cooling
Vector Group Dyn11 / Yyn0
Product Overview

35kV series power transformers feature advanced design with significant improvements in materials, structure, and manufacturing processes.

Key Advantages
  • Enhanced Reliability: Oil-immersed design ensures high reliability in both normal and extreme conditions
  • Long-Lasting Durability: Built to withstand challenging environments and operate reliably for decades
  • Global Support Network: Backed by worldwide technicians and service centers
Technical Data for 35KV Three-Phase Oil Immersed Transformer (630KVA~31500KVA)
Capacity (KVA) HV (KV) HV Tapping LV (KV) Vector Group No-load Loss (W) On-load Loss (W) No-load Current (%) Short Circuit Impedance (%)
630 35 ±5% 3.15
6.3
10.5
Yd11 830 7870 1.1 6.5
800 980 9410 1
1000 1150 11540 1
31500 35~38.5 ±2*2.5% 3.15
3.3
6.3
6.6
10.5
11
Ynd11 20220 112860 0.32
Key Features
  • Optimized for 35kV Medium Voltage Networks: Designed for 35kV distribution systems, common in industrial zones and rural power grids. Provides efficient step-down transformation from sub-transmission to distribution voltage levels.
  • Stable and Balanced Three-Phase Power Supply: Delivers consistent voltage across all phases, ensuring smooth operation of heavy-duty equipment and reducing voltage fluctuations.
  • Efficient Oil-Immersed Cooling System: Uses mineral or natural ester insulating oil for effective heat dissipation and dielectric insulation. Maintains stable operating temperatures under high load conditions.
  • High Reliability and Robust Construction: Built to withstand electrical, mechanical, and thermal stress in demanding environments. Features hermetic sealing to prevent moisture ingress.
35KV Three-Phase Oil Immersed Transformer
Our Order Process
Step 1: Inquiry & Design

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

Step 2: Production & Quality Control

After design approval, we prepare stock, produce, and conduct rigorous quality inspections before shipment. We provide QC reports and test reports, with strict raw material screening and quality control processes.

Step 3: Installation & Support

Our professional team provides installation guidance and on-site support. We offer more than 2 years of warranty service for all our products.

Company Capabilities
30+ senior engineers offering 24-hour online service with 30-minute response time
100,000m² factory with 250 workers and 30+ engineers
4 production lines with 10,000+ sets annual production capacity
100% OQC testing with 25 detection contents
15 years power transformer design and production experience
Products comply with GB 20052-2024/ANSI/IEEE/DOE2016/CSA/IEC60076 standards
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 can we guarantee quality?

We conduct pre-production samples before mass production and final inspections before shipment, providing QC & test reports. We accept Factory Acceptance Tests (FAT) and manufacture oil type and dry type distribution transformers up to 500KV 480MVA power transformers, GIS, switchgear, and substations, complying with international standards.

Why choose us?

We have professional and independent drawing and technical teams that can confirm all drawing contents within 7 days. Our technical team includes 30+ senior engineers offering 24-hour online service with 30-minute response time.

What services can we provide?

We accept OEM orders and negotiate business payment terms to meet customer requirements.

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.
  • Room905, D6 building, CCSP Industrial Park, Yuelu District, Changsha,Hunan province, China
  • https://www.ecer.com/corp/uuuf953-hentgpower2025.html

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