Measurands And Calculation Of Measurands - Siemens SICAM MMU 7KG9663 Produktinformation

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Measurands and Calculation of Measurands

Measurands
Voltage V
ph-N
Voltage V
ph-ph
Voltage harmonic
HV
ph
Voltage unbalance
V
unbal
Angle between the
phase-ground voltages a und b
ϕab
Angle between the
phase-ground voltages a und c
ϕac
Current I
Current harmonic
HI
ph
Current unbalance
I
unbal
Active power P
+ Demand, - Supply
SICAM MMU 7KG9663, Product Information
E50417-B1050-C514-A2, Edition 04.2013
Circuit
a-N, b-N, c-N ±0.2 %
a-b, b-c,
2)
c-a, Σ
a-N, b-N, c-N ±0.5 %
a-b, b-c, c-a
a-b
a-c
a, b, c, N, Σ
a, b, c
a, b, c
a, b, c, Σ
Tolerance
1)
limits
±0.2 %
±0.2 %
±2°
±2°
±0.2 %
±1 %
±0.2 %
±0.5 %
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