TNG(F) - SESH 25 - 2 500 kVA 6, 10 kV

TNG(F) - SESH 25 - 2 500 kVA 6, 10 kV

Three-phase power distribution transformers 14 series. Three-phase power distribution transformers filled with flame retardant dielectrics designed for operation in 10 kV networks. TNG-SESH and TNGF-SESH may be operated with indoor installation in regions with moderate climate.

The transformer filled with fire retardant dielectric liquid FR3. The transformer is designed to operate on the objects with increased fire danger. This transformer serves as an alternative to transformers with dry insulation, transformers filled with dielectric liquid “sovtol”, “sovol”.

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TNG(F) - SESH 25 - 2 500 kVA 6, 10 kV - фото 1
General description
Technical information

Advantages

  • In the production of "FR3" vegetable oils are used.
  • 14 series transformers TNG(F)-SESH is filled with fire-resistant dielectric fluid “FR3”.
  • Liquid “FR3” has improved characteristics of fire safety while maintaining the standard dielectric properties of transformer oil.
  • The ignition temperature is liquid "FR3" 340 °C.
  • The liquid "FR3" does not contain elements of oil or halogens, sulfur or any other harmful substances.

Technical Characteristics

Name Power, kVA

Voltage HV/LV, kV

Connection diagram

Idling losses, W,

Short-circuit losses, 

Short circuit voltage, %

TNG(F)-SESH
25
10,00/0,40;
10,50/0,40;

6,00/0,40; 6,30/0,40;
                   
Δ/Yн-11; Y/Yн-0                    190 680  5,0
TNG(F)-SESH 
40 260 1 020 5,0
TNG(F)-SESH 
63 340 1 600 5,5 
TNG(F)-SESH 
100
400 2 600
5,0 
TNG(F)-SESH
160 560 3 600 6,0
TNG(F)-SESH 250 650 4 100 4,5
TNG(F)-SESH
400
830 6 200 4,5
TNG(F)-SESH
630 1 050 8 300 6,0
TNG(F)-SESH
1 000 1 600 11 800
5,5 
TNG(F)-SESH
1 250 1 800 17 000 6,0
TNG(F)-SESH
1 600 2 200 18 200
6,0
TNG(F)-SESH
2 500 3 600 28 000 6,0

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Technical Characteristics

Name Power, kVA

Voltage HV/LV, kV

Connection diagram

Idling losses, W,

Short-circuit losses, 

Short circuit voltage, %

TNG(F)-SESH
25
10,00/0,40;
10,50/0,40;

6,00/0,40; 6,30/0,40;
                   
Δ/Yн-11; Y/Yн-0                    190 680  5,0
TNG(F)-SESH 
40 260 1 020 5,0
TNG(F)-SESH 
63 340 1 600 5,5 
TNG(F)-SESH 
100
400 2 600
5,0 
TNG(F)-SESH
160 560 3 600 6,0
TNG(F)-SESH 250 650 4 100 4,5
TNG(F)-SESH
400
830 6 200 4,5
TNG(F)-SESH
630 1 050 8 300 6,0
TNG(F)-SESH
1 000 1 600 11 800
5,5 
TNG(F)-SESH
1 250 1 800 17 000 6,0
TNG(F)-SESH
1 600 2 200 18 200
6,0
TNG(F)-SESH
2 500 3 600 28 000 6,0

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