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30kVA-250kVA Oil Immersed Power Transformer MV HV Transformer Long Life IEC ANSI Standards

Hunan Hentg Power Electric Technology Co., Ltd.
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30kVA-250kVA Oil Immersed Power Transformer MV HV Transformer Long Life IEC ANSI Standards

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Place of Origin : China

Brand Name : HENTG Power

Model Number : S20

Certification : CE

MOQ : 1

Frequency : 50Hz, 60Hz

Phase : Three

Coil Number : Single Winding, Two Windings, Multi Winding, Three Windings

application : Power Distribution System Power Transformer

Coil Structure : Shell-Type Coil, layer coil, fully sealed construction, Disc Coil, round coil

Output Voltage : 415V, 110V, 220V, 380V, 400V , 440V, 480V

Input Voltage : 11kV, 10.5kV, 3kV, 6.3kV, 6.6kV, 12.47kV, 6kV, 10kV, 35kV

Type : Voltage Regulator Transformer, Oil-Immersed Transformer

Vector Group : Dyn11 / Yyn0

Product name : S20 Energy Efficiency Secondary Oil-immersed Transformer

Customization : Accept

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S20 Energy Efficiency Secondary Oil-Immersed Transformer

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.
S20 type energy-efficient secondary oil-immersed transformer








Rated capacity (KVA)
Vector Group
Voltage Combination



No-load loss
Load loss

lmpedance


HV
Tapping range
LV

Dy
Yy

30












Yyn0 / Dyn11












10
6.3
6












±5%

±2X2.5%
0.4
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



Advantages
✅ Flexible installation for various project requirements
✅ Environmentally friendly – supports carbon neutrality goals
✅ International certifications ensure smooth overseas compliance
✅ Significantly reduces operational costs and energy consumption
✅ Extended maintenance intervals with reduced upkeep costs

Application Scenarios
⚡️Power Distribution Networks

Product Tags:

HV Oil Immersed Power Transformer

      

220kV Oil Immersed Power Transformer

      
China 30kVA-250kVA Oil Immersed Power Transformer MV HV Transformer Long Life IEC ANSI Standards factory

30kVA-250kVA Oil Immersed Power Transformer MV HV Transformer Long Life IEC ANSI Standards Images

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