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
|
|
設Highest voltage for equipment (kV)
|
126
|
252
|
363
|
420
|
550
|
|
額Rated voltage (kV)
|
110
|
220
|
330
|
400
|
500
|
|
額Rated frequency (Hz)
|
50 or 60
|
50 or 60
|
50 or 60
|
50 or 60
|
50 or 60
|
|
額Rated primary current (A)
|
2×(150-1000)
|
2×(300-1500)
|
2×(300-2500)
|
2×(1250-3000)
|
2×(1250-3000)
|
|
額Rated secondary current (A)
|
5 or 1
|
5 or 1
|
5 or 1
|
5 or 1
|
5 or 1
|
|
額Rated output (VA)
|
10-60
|
10-60
|
10-60
|
10-60
|
10-60
|
|
測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
|
|
保Accuracy class of protective side
|
5P、10P、TP
|
5P、10P、TP
|
5P、10P、TP
|
5P、10P、TP
|
5P、10P、TP
|
|
爬Creepage distance (mm)
|
3300
|
6300
|
10845
|
13195
|
14350
|
|
一Static load on primary terminals
|
3000
|
4000
|
6000
|
6000
|
6000
|
|
介Dielectric dissipation factor
|
≤0.005
|
≤0.005
|
≤0.005
|
≤0.005
|
≤0.005
|
|
局Partial discharge (pC)
|
≤5
|
≤5
|
≤5
|
≤5
|
≤5
|
|
額Rated primary power frequency withstand voltage (kV)
|
230
|
460
|
510
|
680
|
740
|
|
雷Lightning impulse withstand voltage (kV)
|
550
|
1050
|
1175
|
1550
|
1675
|
|
雷Chopped lightning impulse (kV)
|
632.5
|
1207.5
|
1351.5
|
1782.5
|
1782.5
|
|
操Switching impulse voltage (kV)
|
/
|
/
|
950
|
1175
|
1234
|
|
額Rated short-time thermal current (kA)
|
40
|
63
|
63
|
63
|
63
|
|
額Rated dynamic current (kV)
|
100
|
160
|
160
|
160
|
160
|
|
額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.
