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Zero Sequence Impedance for Series Reactors

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newpower

Electrical
Jun 29, 2002
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I've read Thread238-21974 and I think this may be useful for shunt reactors, I was curious if there are some ballpark numbers for estimating zero sequence impedance given positive sequence impedance.

Specifically, we are installing a 1.75 ohm reactor at 34.5kV. We are modeling it on a 100 MVA base with a positive sequence reactance of j .147 (per-unit).

I am trying to figure out how to model the zero sequence reactance. If anyone can provide guidance, it would be greatly appreciated.
 
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