In normal operation power systems are designed for equal conditions in all three phases. When unbalanced faults appear the condition sin the network as seen from the synchronous machines not situated near the influence from the fault should involve the positive sequence conditions only. This can be achieved in traditional ways for simple faults, but considering more complicated situations three phase representation of the entire network has hitherto been necessary. The model aimed at will give total freedom to combine positive sequence and full three phase representation in the network. analysis
|Effective start/end date||01/01/1996 → 31/12/1996|
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