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Load unbalance on the low side of a grounded wye-delta transformer
Turns out no zero sequence current flows on the high side for an unbalance or open conductor on the low side. The open conductor problem turns out to be a nasty symetrical components problem. Thanks everyone for their help.- substationguy
- Post #3
- Forum: Electric power & transmission & distribution
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Load unbalance on the low side of a grounded wye-delta transformer
If I have an unbalance condition (not a phase to ground fault but an unbalance, say an open phase conductor) on the low side of a grounded wye-delta distribution transformer (distribution system is impedance grounded through a zig-zag grounding transformer) how can I sense this unbalance? Will...- substationguy
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- Replies: 4
- Forum: Electric power & transmission & distribution
