SF6 Gas Insulated Voltage Transformer (JDQXF Series)
Product Characteristics
The SF6 gas insulated inductive type voltage transformer in our company is JDQXF series, which adopts fully enclosed structure, mainly composed of high voltage primary wiring board, high voltage insulated bushings, enclosure, body and outlet box etc.
Product Parameters

Item\Model

JDQX-35

JDQXF-66

JDQXF-110

JDQXF-220

Maximum voltage of equipment (kV)

40.5

72.5

126

252

Rated frequency (Hz)

50

50

50

50

Rated power frequency withstand voltage (kV)

95

160

230

460

Rated lightning impulse withstand voltage (kV)

200

350

550

1050

Secondary winding(1a-1n)

Accuracyclass

Class0.2,

Class0.5

Class0.2,

Class0.5

Class0.2,

Class0.5

Class0.2,

Class0.5

Secondary winding(2a-2n )

Accuracyclass

Class0.5,

Class3P

Class0.5,

Class3P

Class0.5,

Class3P

Class0.5,

Class3P

Residual winding(da-dn)

Accuracyclass

Class3P

Class3P

Class3P

Class3P

SF6 annual leakage rate(%)

≤0.3

≤0.3

≤0.3

≤0.3

SF6 micro water content(μL/L)

≤150

≤150

≤150

≤150