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  • Users: mesh
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  1. mesh

    nuisance tripping

    Hi! Can anyone help me find the solution of the nuisance tripping of a 51N electromechanical relay. The relay is on the primary of a 10MVA, delta-wye, 69/13.2 kV, power transformer. CT ratio 100:5; 51N relay tap 1A; phase relays tap 5A. The tripping ocurs only during peak loads(Ip is approx...

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