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  • Users: mesh
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  1. mesh

    nuisance tripping

    Thank you very much for all your inputs. Mesh
  2. mesh

    nuisance tripping

    I suspect bad CT connections, but we haven't done any tests yet.How do we test CT connections and CT ratios? Is it possible for bad CT connections that its effect be felt only during peak loads? Thanks.
  3. 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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