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Applying microprocessor-based protective relays in switchgear with AC control power

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1 Author(s)
Fox, G.H. ; GE Consumer & Ind., Concord, CA, USA

This paper discusses the issues that can exist when applying multifunction microprocessor-based protective relays in switchgear that has alternating current (ac) control voltage rather than a direct current (dc)-battery-based control bus. The paper recommends several techniques for overcoming these issues.

Published in:

Industry Applications, IEEE Transactions on  (Volume:41 ,  Issue: 6 )