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Using a real time digital simulator to simulate multiple CTs for testing relays in current differential protection systems

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3 Author(s)
Parker, A.D. ; ALSTOM T&D Protection & Control ; Birchenough, P.T. ; McLaren, P.G.

The comprehensive testing of protection relays in differential current schemes involving multiple current transformers has in the past required access to a high current test plant and could be highly time consuming. This paper describes how a real time digital power system simulator is now used for these tests and the increase in testing efficiency thereby achieved

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Developments in Power System Protection, 2001, Seventh International Conference on (IEE)

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