Instrument Transformers for Revenue Metering (125 kV BIL through 350 kV BIL)
NEMA EI 21.2-1991 (R1997, R2002) [BUY]
Covers general requirements, ratings, accuracy classifications, burdens and pertinent dimensions applicable to instrument current and voltage transformers for revenue metering rated 125 kV BIL through 350 kV BIL.
Published Date: Oct.26.2004
NEMA EI 21.2-1991 (R1997, R2002)