NOVAR 2600 Operating Manual
Measured Quantities – Power, Power Factor, Energy
Active / Reactive Power, Power Factor (PF), cos φ ( P
NOM
= U
NOM
x I
NOM
)
reference conditions “A” :
ambient temperature ( t
A
)
U, I
for active power, PF, cos φ
for reactive power
23 ± 2 °C
U = 80 ÷ 120 % U
NOM
, I = 1 ÷ 120 % I
NOM
PF = 1.00
PF = 0.00
act. / react. power uncertainty
± 0.5 % of rdg ± 0.005 % P
NOM
PF & cos φ uncertainty
± 0.005
reference conditions “B” :
ambient temperature ( t
A
)
U, I
for active power, PF, cos φ
for reactive powe
23 ± 2 °C
U = 80 ÷ 120 % U
NOM
, I = 1 ÷ 120 % I
NOM
PF <= 0.87
PF <= 0.87
act. / react. power uncertainty
± 1 % of rdg ± 0.01 % P
NOM
PF & cos φ uncertainty
± 0.005
temperature drift of powers
+/- 0.05 % od rgd +/- 0.02 % P
NOM
/ 10 °C
Energy
measuring range
corresponds to U & I measuring ranges
4 quadrant energy counters for both active and reactive energies
active energy uncertainty
class 0.5S acc. to EN 62053 – 22
reactive energy uncertainty
class 1S acc. to EN 62053 – 24
92
Содержание NOVAR 2600
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