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asked Jan 11 '12

chiangm gravatar image

Does reactive power of a machine impact on fault levels?

Hi,

My understanding is fault levels are calculated based on the pre-fault voltage & impedances of machine,transformers,lines & shunts. But my question is why when I try to increase the MVAR output of a machine, the fault level changes?

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updated Jan 12 '12

JervisW gravatar image

Does reactive power of a machine impact on fault levels?

Hi,

My understanding is fault levels are calculated based on the pre-fault voltage & impedances of machine,transformers,lines & shunts. But my question is why when I try to increase the MVAR output of a machine, the fault level changes?