TAVRIDA ELECTRIC ISM Shell_2 Series, Applications Manual

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70
200 000
ISM15_Shell_2 at 25kA breaking current
Life cycle of ISM
40
ISM15_Shell_2 at 31.5kA breaking current
Life cycle of CM close
and trip capacitors
Figure 57 Figure 58
ISM15_Shell_2 at 20kA breaking current
Number of closing-
opening c
ycles
CM_16_2
Input for CT power supply
Operating current range
2-300 A
Power consumption per phase during charging trip capacitors
- at 2 A
5 VA
- at 5 A 12 VA
- at 10 A 25 VA
- at 30 A 120 VA
- at 300 A 8 kVA
Preparation time for trip operation (charging of the trip capacitor
1)
), not more than
- at 2 A 1000 ms
- at 5 A 400 ms
- at 10 A 150 ms
- at 30 A 110 ms
- at 300 A 100 ms
Current carrying capacity, not less
- at 5 A
∞
- at 10 A 100 s
- at 30 A 10 s
- at 150 A 1 s
- at 300 A 0.1 s
10