Metering Range and Accuracy

Metering Range and Accuracy

Item	Description	Symbol	Range	Tolerance
Instantaneous Current	Instantaneous current in A phase	Ia	0–32 kA	±1.5%
	Instantaneous current in B phase	Ib	0–32 kA	±1.5%
	Instantaneous current in C phase	Ic	0–32 kA	±1.5%
	Instantaneous current in neutral	In	0–32 kA	±1.5%
	Instantaneous current in ground		0–32 kA	±1.5%
	Max. instantaneous current in A phase	Iamax	0–32 kA	±1.5%
	Max. instantaneous current in B phase	Ibmax	0–32 kA	±1.5%
	Max. instantaneous current in C phase	Icmax	0–32 kA	±1.5%
	Max. instantaneous current in neutral	Inmax	0–32 kA	±1.5%
	Max. instantaneous current in ground		0–32 kA	±1.5%
Demand Current	Demand current in A phase		0–32 kA	±1.5%
	Demand current in B phase		0–32 kA	±1.5%
	Demand current in C phase		0–32 kA	±1.5%
	Demand current in neutral		0–32 kA	±1.5%
	Max. demand current in A phase		0–32 kA	±1.5%
	Max. demand current in B phase		0–32 kA	±1.5%
	Max. demand current in C phase		0–32 kA	±1.5%
	Max. demand current in neutral		0–32 kA	±1.5%
Voltage	Phase-to-phase instantaneous voltage between A and B phase	Vab	0–1200 V	±0.5%
	Phase-to-phase instantaneous voltage between B and C phase	Vbc	0–1200 V	±0.5%
	Phase-to-phase instantaneous voltage between C and A phase	Vca	0–1200 V	±0.5%
	Phase-to-phase instantaneous voltage between A and neutral phase	Van	0–1200 V	±0.5%
	Phase-to-phase instantaneous voltage between B and neutral phase	Vbn	0–1200 V	±0.5%
	Phase-to-phase instantaneous voltage between C and neutral phase	Vcn	0–1200 V	±0.5%
	Average phase-to-phase voltage	V avg 3Φ	0–1200 V	±0.5%
	Voltage unbalance	V unbal 3Φ	0–100 V	±0.5%
Instantaneous Power	Instantaneous active power	P	0–32 MW	±2%
	Instantaneous reactive power	Q	0–32 Mvar	±2%
	Instantaneous apparent power	S	0–32 MVA	±2%
Power Factor	Power factor	PF	-1–1	±0.01%
Demand Power	Active demand power	P	0–32 MW	±2%
	Reactive demand power	Q	0–32 Mvar	±2%
	Apparent demand power	S	0–32 MVA	±2%
	Max. active demand power since last reset		0–32 MW	±2%
	Max. reactive demand power since last reset		0–32 Mvar	±2%
	Max. apparent demand power since last reset		0–32 MVA	±2%
Energy Total	Total active power	E. P	-1010–1010 Kwh	±2%
	Total reactive power	E. Q	-1010–1010 Kvarh	±2%
	Total apparent power	E. S	-1010–1010 KVAh	±2%
Energy In	Total active power in	E. P	-1010 –1010 Kwh	±2%
	Total reactive power in	E. Q	-1010–1010 Kvarh	±2%
Energy Out	Total active power out	E. P	-1010–1010 Kwh	±2%
	Total reactive power out	E. Q	-1010–1010 Kvarh	±2%
Frequency	System frequency	F	45–440 Hz	±0.1 Hz