Loss Calculation Formulas for Series Reactors
Explore various line loss formulas modified for series reactors, including current limiting reactor loss calculations and previously defined terms. Understand how to calculate losses and coefficients efficiently in electricity metering systems.
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Presentation Transcript
Series Current Limiting Reactor Loss Calculation Nov 20, 2024
Line Loss Formulas from Handbook for Electricity Metering 2 PUBLIC 11/20/24 MWG
SMOG Previously Defined Terms ????? ????? ???? = 20 ????? ????? ???? = 120 ??? = ?? ????? ???:1 ??? = ?? ????? ???:1 ??????? ?? ??????? ???? =Meter Class Amps * CTR 2 3 PUBLIC 11/20/24 MWG
Line Loss Formulas Modified for Series Reactors (3 Element) ??????? ?????? ??????? ?? ?????????? = (Phase A Reactor ??????????+ Phase B Reactor ??????????+ Phase C Reactor ??????????) 3 ??????? ?????? ??????? ?? ????????? = (Phase A Reactor Reactance + Phase B Reactor Reactance + Phase C Reactor Reactance) 3 ?? ???? ????? = ??????? ?? ?????????? (??????? ?? ??????? ????)2 ?? ???? ???? = ??????? ?? ????????? (??????? ?? ??????? ????)2 (SR Loss Watts 100) ?? % ???? ?? ?????? = (??? ??? ????? ???? ??????? ????? ????? ????) (SR Loss Vars 100) ?? % ??? ?? ?????? = (??? ??? ????? ???? ??????? ????? ????? ????) *Negative sign used in Watt and Var Cu % formula to yield a co-efficient that results in a lower calculated load. 4 PUBLIC 11/20/24 MWG
