socomec 4145 - Page 90

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Unbalance
Measurement range
Resolution
Accuracy
Voltage unbalance
Current unbalance
Voltage phase
Current phase
0.0~5.0%
0.0~20.0%
-360°~ 0°
-360°~ 0°
0.1%
0.1%
1°
1°
±0.5%
±1%
±2 characters
±5 characters
Rapid range of voltage
Measurement range
Resolution
Accuracy
Voltage
Vpk
Vrms
Minimum test time
Sampling rate
±6000Vpk
10~1000Vrms
50μs
20kS/s
1V
1V
±15%
±2.5%
Inrush current
Measurement range
Resolution
Accuracy
Arms
0~3000Arms
0.1
±1%±5 characters
Inrush evaluation
time
6s~32min settable
10ms
±20ms
8.8 Wiring Combinations
1Ø+NEUTRAL
Single phase with neutral
1Ø SPLIT
PHASE
Split phase
1Ø IT NO
NEUTRAL
Single phase system with two phase voltages without neutral
3Ø WYE
3-phase 4-wire system, Y type
3Ø DELTA
3-phase 3-wire system delta (Delta)
3Ø IT
3-phase Y type without neutral
3Ø HIGH LEG
4-wire 3-phase delta system (Delta) with center tapped high leg
3Ø OPEN LEG
Open-delta (Delta) 3-wire system with two transformer windings
2-ELEMENT
3-phase 3-wire system without current sensor on phase L2/B (2
Watt meter method)
2
2
1
-ELEMENT
3-phase 4-wire system without voltage sensor on phase L2/B