Calibration of Electricity meter, three phase active and reactive power and energy.
Range
Frekvens: 50 Hz
Spenning: 57,7 V til 400 V
Uncertainty (k=2)
For aktiv energi med effektfaktor: cos(φ) = 1,eller -1: ±0,05 %
Range
Strøm: 1 mA til 6 A
Uncertainty (k=2)
0,5 ≤ cos (φ) < 1, eller -1,< cos (φ) ≤ -0,5: ±0,07% ,
Range
Effekt: 5 W/VAr til 4 kW/kVAr
(sekundærkrets)
Uncertainty (k=2)
For reaktiv energi med effektfaktor sin (φ) = 0,8 eller -0,8: ±0,07%
Remarks/ref. to internal procedure: Method description Q-90/200 and Q-90/300. Equivalent requirements for verification of electricity meters in Statnett's publication "Requirements for measurement of central power exchange". 02.02. 2016.