NEMA C12.24 TR-2011 establishes names and mathematical definitions for the Volt-Ampere (VA), Volt-Ampere hours (VAh), Volt-Amperes Reactive (VAR), and Volt-Ampere Reactive hours (VARh) formulae used by poly-phase electricity meters. The mathematical definitions assume static waveforms.
NEMA C12.24 TR-2011
Original price was: $101.00.$50.00Current price is: $50.00.
Definitions for Calculations of VA, VAh, VAR, and VARh for Poly-Phase Electricity Meters
National Electrical Manufacturers Association , 05/29/2011
Pages: 34
