GIMAC-PQ

Dedicated meter specialized in measuring various power quality such as harmonics.

 

Features

Measurement Function

ㆍHigh precision measurement of various measurement elements (31 elements)

ㆍExtended power quality measurement (15th, THD, TDD, K-factor)

ㆍEvent recording (256 samples)

ㆍEvent & fault recording (60 cycles)

ㆍAnalog input (2 Points, Optional)

ㆍShort duration variation (SAG, SWELL, Interruption)

ㆍLong duration variation (Interruption, Under/Overvoltage, Voltage Unbalance, Frequency Variation)

 

Communication Function

ㆍCommunication redundancy

 

Measurement

Model	Measurement	Display range	Accuracy	Remarks
GIMAC-PQ	Current, I	0.000A ~ 999.99kA	±0.2%	Ia, Ib, Ic, In
	Voltage, V	0.000V ~ 999.99kV	±0.2%	Va, Vb, Vc, Vab, Vbc, Vca
	Active power, Watts	0.000W ~ 99999.9MW	±0.5%	+ : Forward - : Revers
	Reactive power, Var	0.000Var ~ 99999.9MVar	±0.5%
	Apparent power, VA	0.000VA ~ 99999.9MVA	±0.5%
	Active energy, Wh	0.000Wh ~ 99999.9MWh	±0.5%
	Reactive energy, Varh	0.000Varh ~ 99999.9MVarh	±0.5%
	Frequency, F	45 ~ 70Hz	±0.05Hz
	Power factor, PF	-1.000 ~ 1.000	±0.5%	cos θ (+ : Lag, - : Lead)
	Phase	0.000o~ 360.00o	±0.5o
	Normal current, I1	0.000A ~ 999.99kA
	Reverse phase current, I2	0.000A ~ 999.99kA
	Zero phase voltage, V。	0.000V ~ 999.99kV	±0.5%	V。, V。_max
	Normal voltage, V1	0.000V ~ 999.99kV
	Reverse phase voltage, V2	0.000V ~ 999.99kV
	Unbalanced factor	0.000 ~ 100.00%
	Harmonics I	0.000A ~ 999.99kA		2nd ~15th
	Harmonics V	0.000V ~ 999.99kV		2nd ~15th
	THD(V, I), TDD(I)
	k-Factor
	Demand I	0.000A ~ 999.99kA		Peak demand
	Demand W	0.000W ~ 99999.9MW		Peak demand
	AI (Analog Input)	4.000 ~ 20.00mA	±0.5%

 

Power Quality

Power quality	Effective voltage	Fault type	Continuous time	Remarks
Sag	0.1~0.9pu	Instantaneous sag	0.5~30cycle	* Fault wave : Max. 60cycle * Event : Max. 256EA * Blinking alarm LED * Output Event DO
		Momentary sag	30cycle~3sec
		Temporary sag	3sec~1min
Swell	1.1~1.8pu	Instantaneous swell	0.5~30cycle
		Momentary swell	30cycle~3sec
		Temporary swell	3sec~1min
Interruption	0.1pu and below	Momentary Interruption	0.5~3sec
		Temporary Interruption	3sec~1min
Undervoltage	0.8~0.9pu		over 1min
Overvoltage	1.1~1.2pu		over 1min

 

Specification