IEEE 386 – Industry Minimum Requirements | ||
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Voltage Ratings | ||
Voltage Class, Phase-to-Phase | 15kV | 25kV |
Maximum Operating Voltage – (phase-to-ground) | 8.3kV | 15.2kV |
Corona Voltage Level – (partial discharge extinction voltage) | 11kV | 19kV |
AC Withstand – (1 minute) | 34kV | 40kV |
Impulse-Withstand Voltage – (BIL) | 95kV | 125kV |
Current Ratings | |
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Continuous Current | 200A |
Short-Time Current | 10kA, 10c. and 3.5kA, 3s. |