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Geomagnetically Induced Currents 2

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Mbrooke

Mbrooke

Electrical
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Does transformer connection make a difference in GIC currents and their mitigation such as delta wye 345kv-69kv vs a typical Wye Grd auto? Also are GSUs effected by GICs such that it needs to be evaluated?
 
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Much thanks. These devices present virtually no impedance during a fault, so MHO elements remain unaffected if not factored in?
 
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