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Recent content by ECHU

  1. ECHU

    Watt-Hour/VAR Meter Calibration

    FOR THE LEADING POWER FACTOR 0, THE LOAD SHOULD BE SOLELY CAPCITANCE WHEREAS LAGGING SHOULD BE SOLELY INDUCTIVE. PLEASE READ THE FOLLOWING PHASOR DIAGRAM VOLTAGE 1 1 1...
  2. ECHU

    switchgear maintenance

    FOR THE TYPE OF MITSUBISHI ACB, THE OCR TEST SHOULD BE CARRIED OUT BY THE BREAKER TESTER "TYPE Y-2000" FROM THE MANUFACTURER. THE MEANING OF TERMS AS FOLLOWS: 1. % IU -- PERCENTAGE OF UNINTERRUPTED CURRENT 2. % IN MAX -- PERCENTAGE OF THE RATE CURRENT OF THE ACB 3. IL -- LONG TIME...

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