GE EPM 5300, EPM 5200, EPM 5350 instruction manual Poly Phase System 1 Delta, 2 Wye

THREE-PHASE SYSTEM CHAPTER 1: AC POWER MEASUREMENT

		A
1)	Delta
	C	B
	A	B
2)	Wye	N
		C

XEAB IA

P = EAB IA + ECB I C

X

ECB I C

XEAN IA

XEBN IB

P = E	I + E	BN	I	B	+ E	CN	I	C
AN	A

X

ECN I C

FIGURE 1–4: Poly Phase System: (1) Delta, (2) Wye

1–4 EPM 5300 SERIES ADVANCED POWER METERS – INSTRUCTION MANUAL