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S□-M Series 35kV Oil-immersed Transformer

The 35kV oil-immersed transformer produced by Hezong Technology adopts domestic high-quality high-permeability silicon steel strip materials, which makes the magnetic circuit evenly distributed and greatly reduces the no-load excitation current and no-load loss; the transformer windings are all made of high-quality pure copper, high, Low-voltage winding system, compact structure, small size and light weight. The transformer has reliable operation, low noise, good manufacturability, good heat dissipation, low temperature rise, no pollution to the environment, no maintenance, and high efficiency. It is mainly used in 35kV power transmission and distribution system, and can be widely used in commercial buildings, high-rise buildings, airports, industrial and mining enterprises, power plants, oil platforms, subways and tunnels and other important places with special fire protection requirements.
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Product Parameters

Performance characteristics

1. Low loss, energy saving and environmental protection.

2. Good technical and economic performance.

3. Low noise.

4. Oil-immersed structure plays an excellent role in insulation and heat dissipation.

 

 

Technical parameters

 

Transformer model

Capacity

HV kV

High voltage tap range
％

Low pressure
kV

Linkage

Group Label

Core Material

Rated frequency Hz

Phase number

Cooling mode

Insulation heat resistance grade

S11
S13
S18

S18-NX3
S20
S20-NX2
S22
S22-NX1

50~2500

35
36.5
37
38.5

±5
± 2 × 2.5

0.4

Dyn11
Yyn0

cold rolled oriented silicon wafer

50

3

ONAN

Class A

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