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Oil - immersed Capacitive Voltage Transformer (TYD series)
Product Characteristics
The oil-immersed capacitive type voltage transformer in our company is TYD series. The product is mainly composed of capacitive voltage divider and electromagnetic unit. The oil tank is equipped with junction box, oil level inspection window, oil filling hole, oil drain valve and earthing plate. The secondary terminal is led out from the junction box.
Product Parameters


Item\Model

TYD35/√3

-0.01 HF

TYD35/√3

-0.02HF

TYD66/√3

-0.01 HF

TYD66/√3

-0.02HF

TYD110/√3

-0.01 H

TYD110/√3

-0.02H

TYD220/√3

-0.005H

TYD220/√3

-0.01 H

TYD330/√3

-0.005H

TYD500/√3

-0.005H

TYD765/√3

-0.005H

Maximum voltage of equipment (kV)

40.5

40.5

72.5

72.5

126

126

252

252

363

550

800

Rated frequency (Hz)

50

50

50

50

50

50

50

50

50

50

50

Rated capacitance (pF)

10000

20000

10000

20000

10000

20000

5000

10000

5000

5000

5000

Rated voltage factor / time 

1.9/8h

1.9/8h

1.9/8h

1.9/8h

1.9/8h

1.9/8h

1.9/8h

1.9/8h

1.9/8h

1.9/8h

1.9/8h

Rated power frequency withstand voltage (kV)

95

95

160

160

230

230

460

460

510

740

975

Rated lightning impulse withstand voltage (kV)

200

200

350

350

550

550

 

1050

 

1050

 

1175

 

1675

 

2100

Rated switching impulse withstand voltage

/

/

/

/

/

/

/

/

950

1300

1550

Partial discharge at1.2Um/√3

≤5

≤5

≤5

≤5

≤5

≤5

≤5

≤5

≤5

≤5

≤5

Secondary winding(1a1n)

Accuracyclass

Class0.2,

Class0.5

Class0.2,

Class0.5

Class0.2,

Class0.5

Class0.2,

Class0.5

Class0.2,

Class0.5

Class0.2,

Class0.5

Class0.2,

Class0.5

Class0.2,

Class0.5

Class0.2,

Class0.5

Class0.2,

Class0.5

Class0.2,

Class0.5

Secondary winding(2a2n)

Accuracyclass

Class0.5,Class  3P

Class0.5,

Class3P

Class0.5,

Class3P

Class0.5,

Class3P

Class0.5,

Class3P

Class0.5,

Class3P

Class0.5,

Class3P

Class0.5,

Class3P

Class0.5,

Class3P

Class0.5,

Class3P

Class0.5,

Class3P

Secondary winding(3a3n)

Accuracyclass

/

/

/

/

Class0.5,

Class3P

Class0.5,

Class3P

Class0.5,

Class3P

Class0.5,

Class3P

Class0.5,

Class3P

Class0.5,

Class3P

Class0.5,

Class3P

Secondary winding(dadn)

Accuracyclass

Class3P,

Class6P

Class3P,

Class6P

Class3P,

Class6P

Class3P,

Class6P

Class3P,

Class6P

Class3P,

Class6P

Class3P,

Class6P

Class3P,

Class6P

Class3P,

Class6P

Class3P,

Class6P

Class3P,

Class6P

 

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