IEEE C92.2-1987 Power Systems - Alternating-Current Electrical Systems and Equipment Operating at Voltages Above 230 kV Nominal - Preferred Voltage Ratings
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IEEE C92.2-1987
IEEE C92.2-1987 history
1987IEEE C92.2-1987 Power Systems - Alternating-Current Electrical Systems and Equipment Operating at Voltages Above 230 kV Nominal - Preferred Voltage Ratings
1981IEEE C92.2-1981 PREFERRED VOLTAGE RATINGS FOR ALTERNATING-CURRENT ELECTRICAL SYSTEMS AND EQUIPMENT OPERATING AT VOLTAGES ABOVE 230 KILOVOLTS NOMINAL