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Home > products > Power Transformer >
Three Phase Step Up Down Transformer 8000kVA 3150kVA Electrical Voltage Transformer

Three Phase Step Up Down Transformer 8000kVA 3150kVA Electrical Voltage Transformer

3150kVA Electrical Voltage Transformer

Three Phase Step Up Down Transformer

Place of Origin:

Jiangsu, China

Brand Name:

HENTG Power

Certification:

CE

Model Number:

ZGS series

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Product Details
Type:
Distribution Transformer, Auto Transformer
Material:
Copper, 100% Copper Wire
Frequency:
50Hz, 60Hz
Shape:
Rectangle
Winding Material:
Copper
Application:
Power
Phase:
Three
Coil Structure:
Circular Coil
Coil Number:
Dual-winding Coil
Input Voltage:
3kV, 6kV, 10kV, 15kV, 35kV, 69kV, 110kV, 115kV, 132kV, 220kV, 400kV
Output Voltage:
11kV, 110V, 220V, 380V, 440V, 480V
Product Name:
Three Phase Transformer
Application:
Industrial
Usage:
Power Electronic
Cooling Method:
ONAN ONAF OFAF
Protection:
Overload
Highlight:

3150kVA Electrical Voltage Transformer

,

Three Phase Step Up Down Transformer

Payment & Shipping Terms
Minimum Order Quantity
2 sets
Price
CN¥190,170.75-670,939.50/units
Product Description
Three Phase Transformer External 8000kVA 3150kVA Transformer Price Electric Step Up/Down Voltage Transformer
Product Specifications
Attribute Value
Type Distribution transformer, Auto Transformer
Material Copper, 100% Copper Wire
Frequency 50Hz, 60Hz
Shape Rectangle
Winding Material Copper
Application Power
Phase Three
Coil Structure Circular coil
Coil Number Dual-winding coil
Input Voltage 3kV, 6kV, 10kV, 15kV, 35kV, 69kV, 110kV, 115kV, 132kV, 220kV, 400kV
Output Voltage 11kV, 110V, 220V, 380V, 440V, 480V
Cooling Method ONAN ONAF OFAF
Protection Overload
Premium Features
Oil-Immersed Cooling System
  • Fully sealed tank with high-quality insulating oil for optimal cooling
  • Efficient heat dissipation reduces operating temperature
  • Extends transformer lifespan and improves operational safety
Advanced Construction
  • High-quality cold-rolled silicon steel sheets and oxygen-free copper windings
  • Minimized no-load and load losses below IEC standards
  • Reduced temperature rise for environmentally friendly operation
  • Lower long-term operational costs with improved system stability
Technical Specifications (35KV Three-Phase Oil Immersed Transformer)
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
1250 1410 13940 0.9
1600 1700 16670 0.8
2000 2180 18380 0.7
2500 2560 19670 0.6
3150 35~38.5 ±5% 3.15
6.3
10.5
  3040 23090 0.56 7
4000 3620 27360 0.56
5000 35~38.5 ±5% 3.15
6.3
10.5
  4320 31380 0.48 7
6300         5250 35060 0.48 7.5
8000 35~38.5 ±2*2.5% 3.15
3.3
6.3
6.6
10.5
11
Ynd11 7200 38480 0.42  
10000 8700 45320 0.42  
Our Production Process
Step 1: Consultation & Design

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

Step 2: Manufacturing & Quality Control

After design approval, we prepare materials and begin production. All raw materials are strictly screened. We provide dual quality assurance with QC reports and test reports before shipment. Custom accessories available upon request.

Step 3: Installation & Support

Our professional team provides installation guidance and on-site support. All products come with a 2+ year warranty. We're committed to creating win-win partnerships.

Why Choose HENTG POWER?
  • 30+ senior engineers offering 24/7 support with 30-minute response time
  • 100,000m² factory with 250 workers and 30+ engineers
  • 4 production lines with 10,000+ units annual capacity
  • 100% OQC testing with 25-point inspection
  • 15 years power transformer design and manufacturing experience
  • Compliance with GB 20052-2024/ANSI/IEEE/DOE2016/CSA/IEC60076 standards
  • Cross-industry power transformer solutions
  • Global on-site technical support
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 do we guarantee quality?

We conduct pre-production sampling and final inspections before shipment, providing QC & test reports. We accept Factory Acceptance Tests (FAT). Our factory produces oil and dry type distribution transformers up to 500KV 480MVA, GIS, switchgear, and substations, compliant with international standards. All products come with a 2+ year warranty.

What services do we provide?

We offer OEM services with negotiable payment terms. Our professional technical team provides 24/7 support with 30-minute response times. We confirm all drawing details within 7 days of payment.

Send your inquiry directly to us

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