JDQXF Series 35-220kV SF6 Voltage Transformer

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

Installation method

Freestanding

Freestanding

Freestanding

Freestanding

External insulation form

Porcelain casing

Porcelain sleeve/silicone rubber sleeve

Porcelain sleeve/silicone rubber sleeve

Porcelain sleeve/silicone rubber sleeve

Rated voltage factor

1.2 times, continuous

1.2 times, continuous

1.2 times, continuous

1.2 times, continuous

1.9 times, 8h

1.9 times, 8h

1.5 times, 30s

1.5 times, 30s

Rated power frequency withstand voltage (KV)

95

160

230

460

Rated lightning impulse withstand voltage (kV)

200

350

550

1050

Secondary burning group(1a-1n)

Accuracy level

0.2 level, 0.5 level

0.2 level, 0.5 level

0.2 level, 0.5 level

0.2 level, 0.5 level

Rated output (VA)

25

50

50

50

Secondary winding(2a-2n)

Accuracy level

Class 0.5, Class 3P

Class 0.5, Class 3P

Class 0.5, Class 3P

Class 0.5, Class 3P

Rated output (VA)

25

50

100

100

Residual Burning Group(da-dn)

Accuracy level

Class 3P

Class 3P

Class 3P

Class 3P

Rated output (VA)

100

100

300

100

SF₆ rated pressure (20℃)(MPa)

0.4

0.4

0.4

0.5

SF₆ supplementary gas pressure (20℃)(MPa)

0.35

0.35

0.35

0.45

SF₆ leakage rate (%)

≤ 0.3

≤ 0.3

≤ 0.3

≤ 0.3

SF₆ water content (uL/L)

≤ 150

≤ 150

≤ 150

≤ 150

Overall dimension

Height (mm)

1130

2191

2191

3550

Length (mm)

565

741

741

842

Width (mm)

425

590

590

670

Size of mounting hole of base

Mounting hole

4x ф 24

4x ф 24

4x ф 24

4x ф 24

Hole spacing

315x315

530x530

530x530

550x550

Total product mass (kg)

115

550

550

1100