
MI 2092 Power Harmonics Analyser Section IV Connection to power systems
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1. 3j 4 wire system
System with Neutral conductor
L2
L1
L3
N
fig. 20: 3
j
4 wire system
2. 3j 3 wire system with 3 CTs
System without Neutral conductor
L2
L1
3 phase
L3
fig. 21: 3
j
3 wire system with 3 CTs