Zakład Wytwórczy Aparatów Elektrycznych Sp. z o.o.
10
2.4. Basic technical parameters
No
Parameter
Value
1.
Rated operating voltage
123 [kV]
245 [kV]
420 [kV]
2.
Rated continuous current
2500 [A]
3150 [A]
4000 [A]
2500 [A]
3150 [A]
4000 [A
2500 [A]
3150 [A]
4000 [A]
3.
Peak current
125 [kA]
125 [kA]
125 [kA]
4.
Short-circuit current, 1 sec.
50 [kA]
50 [kA]
50 [kA]
5.
Test voltage (50 Hz):
- earth and pole to pole insulation
- contact to contact insulation
230 [kV]
265 [kV]
460 [kV]
530 [kV]
520 [kV]
610 [kV]
6.
Surge test voltage:
- earth and pole to pole insulation
- contact to contact insulation
550 [kV]
630 [kV]
1050 [kV]
1200 [kV]
1425 [kV]
1425 (+240)* [kV]
7.
Operational rated surge test voltage:
- earth insulation
- contact to contact insulation
-
-
-
-
1050 [kV]
900 (+345)* [kV]
8.
Radio interference voltage
<2500 [µV]
<2500 [µV]
<2500 [µV]
9.
Mechanical strength
2000 cycles
2000 cycles
2000 cycles
10.
Motor operating mechanism
NSO80
NSO80
NSO80
* Peak values of alternating voltage supplied to the opposite terminal are shown in brackets
