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HOME >> PRODUCT >> Composite Insulated Current Transformer
110kV-500kV SF6 Composite Insulated Current Transformer
  • Description
  • Parameter

Structure: in inverted vertical structure and filled with SF6 gas. Density relay is equipped for online monitoring.

Features:

² Superior dynamic thermal stability, electrical insulation and anti-seismic performance

² Superior electrical insulation performance and low partial discharge

² Excellent anti-ultraviolet performance and anti-aging performance

² Small weight, easy for transportation and installation

² Stable and reliable quality and short delivery time

 

Type

LVQHB-110

LVQHB-220

LVQHB-330

LVQHB-400

LVQHB-500

Highest voltage for equipment (kV)

126

252

363

420

550

Rated voltage (kV)

110

220

330

400

500

Rated frequency (Hz)

50 or 60

50 or 60

50 or 60

50 or 60

50 or 60

Rated primary current (A)

2×(150-1000)

2×(300-1500)

2×(300-2500)

2×(1250-3000)

2×(1250-3000)

Rated secondary current (A)

5 or 1

5 or 1

5 or 1

5 or 1

5 or 1

Rated output (VA)

10-60

10-60

10-60

10-60

10-60

Accuracy class of measuring side

0.1、0.2、0.5、0.2S、0.5S

0.1、0.2、0.5、0.2S、0.5S

0.1、0.2、0.5、0.2S、0.5S

0.1、0.2、0.5、0.2S、0.5S

0.1、0.2、0.5、0.2S、0.5S

Accuracy class of protective side

5P、10P、TP

5P、10P、TP

5P、10P、TP

5P、10P、TP

5P、10P、TP

Creepage distance (mm)

3300

6300

10845

13195

14350

Static load on primary terminals

3000

4000

6000

6000

6000

Dielectric dissipation factor

0.005

0.005

0.005

0.005

0.005

Partial discharge (pC)

5

5

5

5

5

Rated primary power frequency withstand voltage (kV)

230

460

510

680

740

Lightning impulse withstand voltage (kV)

550

1050

1175

1550

1675

Chopped lightning impulse (kV)

632.5

1207.5

1351.5

1782.5

1782.5

Switching impulse voltage (kV)

/

/

950

1175

1234

Rated short-time thermal current (kA)

40

63

63

63

63

Rated dynamic current (kV)

100

160

160

160

160

Rated service pressure (MPa)

0.4

0.4

0.4

0.4

0.45

 

*  All products can be designed and produced according to client’s demands.

Product application:
Since the successful development of this series of products in 2001, more than 10000 sets have been successfully operated.
For example, more than 500 400kV current transformers have been used in India.

    
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Copyright: Shandong Peiport Electric Power Science &Technology Co., Ltd Lu ICP Bei 05024719
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