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  1. narsimha23

    EARTHING STANDERDS FOR HT SWITCHGEAR AND HT MOTORS

    AS PER IEC TWO EARTHING CONNECTIONS ARE PROVIDED TO A 3.3KV HT/415V LT PANEL WHERE AS ONLY ONE EARTHING CONNECTION IS SHOWN TO HT/LT MOTOR OV SAME VOLTAGE RATING.IS IT CORRECT ?IF SO GIVE TECH REASONS FOR IT ?. IN SHORT WHY TWO EARTH CONNECTIONS ARE PROVIDED TO HT PANEL WHERE AS HT MOTOR IS...
  2. narsimha23

    EARTHING STANDERDS FOR HT SWITCHGEAR AND HT MOTORS

    IS THERE ANY DIFFERECNE BETWEEN A HT SWITCHGEAR AND HT MOTOR WHILE PROVIDING NO OF EARTH CONNECTIONS FOR ITS PROTECTION ? WHAT DOES IEC STANDERD SAY IN THIS REGARD ?IF IT IS NOT SAME ,THEN WHY SO ?

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