Specifications
Description
Outdoor Electrical Step Down Step Up Power Transformer 35kV 630kVA IEC ANSI Standard
Product Overview

High-performance three-phase oil-immersed transformer for step-up/step-down applications in power distribution systems.

Key Specifications
Attribute Value
Type Oil-filled Distribution Transformer
Material Copper
Frequency 50Hz, 60Hz
Phase Three
Input Voltage 6kV, 3kV, 10kV, 69kV, 110kV, 115kV, 132kV, 400kV, 220kV
Output Voltage 415V, 380V, 220V, 110V, 440V, 480V, 11kV
Cooling Method ONAN ONAF OFAF
Standard IEC ANSI
Vector Group Yd11/YNd11
Technical Specifications
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 35 ±5% 3.15
6.3
10.5
Yd11 980 9410 1 6.5
1000 35 ±5% 3.15
6.3
10.5
Yd11 1150 11540 1 6.5
1250 35 ±5% 3.15
6.3
10.5
Yd11 1410 13940 0.9 6.5
1600 35 ±5% 3.15
6.3
10.5
Yd11 1700 16670 0.8 6.5
2000 35 ±5% 3.15
6.3
10.5
Yd11 2180 18380 0.7 6.5
2500 35 ±5% 3.15
6.3
10.5
Yd11 2560 19670 0.6 6.5
Key Features
  • Optimized for 35kV medium voltage networks in industrial zones and utility substations
  • Stable and balanced three-phase power supply for heavy-duty equipment
  • Efficient oil-immersed cooling system with mineral/ester insulating oil
  • Robust construction for demanding outdoor environments
  • Hermetic sealing to prevent moisture ingress
Ordering Process
Step 1: Consultation & Quotation
We respond within 1 hour with suitable transformer recommendations, detailed quotations, and payment terms. Our technical team confirms all drawing details within 7 days after payment.
Step 2: Production & Quality Control
After design approval, we prepare stock, manufacture, and conduct rigorous quality inspections. We provide QC reports and test reports for all products.
Step 3: Installation & Support
Professional installation guidance and on-site support available. All products come with a 2+ year warranty.
Why Choose HENTG
  • 30+ senior engineers offering 24/7 technical support with 30-minute response time
  • 100,000m² factory with 250 workers and 4 production lines
  • 10,000+ sets annual production capacity
  • 100% OQC testing with 25 detection points
  • 15 years power transformer design and manufacturing experience
  • Compliance 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 founded in 2011, specializing in reliable, high-performance solutions for global power systems.

How do we guarantee quality?

Pre-production samples, final inspection before shipment, QC & test reports, and Factory Acceptance Test (FAT). We manufacture oil and dry type transformers up to 500KV 480MVA.

What services do we provide?

OEM services, professional technical support, and customized payment terms.

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Outdoor Electrical Step Down Step Up Power Transformer 35kV 630kVA IEC ANSI Standard

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Outdoor Electrical Step Down Step Up Power Transformer 35kV 630kVA IEC ANSI Standard
Outdoor Electrical Step Down Step Up Power Transformer 35kV 630kVA IEC ANSI Standard
Outdoor Electrical Step Down Step Up Power Transformer 35kV 630kVA IEC ANSI Standard

Hunan Hentg Power Electric Technology Co., Ltd.

Verified Supplier
1 Years
hunan, changsha
Since 2011
Business Type :
Manufacturer, Exporter, Trading Company, Seller
Total Annual :
50000000-100000000
Employee Number :
200~250
Certification Level :
Verified Supplier
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