ASNI C92.2-1987 for power systems- alternating-current electrical systems and equipment operating at voltages above 230 kV nominal - preferred voltage ratings
This standard provides preferred voltage ratings
above 230 kV nominal for alternating-current
systems and equipment.
ASNI C92.2-1987 history
1987ASNI C92.2-1987 for power systems- alternating-current electrical systems and equipment operating at voltages above 230 kV nominal - preferred voltage ratings