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  1. ELEP

    Zero reactive power function

    Hello Eevryone! I have come across one of a 'Zero reactive power function' while reviewing AVR document for 776MVA Generator. In AVR manual this functions is not described in detail. After googling few websites I found this function is incorporated in Power controller(VAR controller for...
  2. ELEP

    Power plant earthing design

    Hi everyone, I am designing an earthing system for 240MW power plant, the area is 230x720m, average soil resistivity 14,000ohm-m(Sedimentary rock), fault current 20kA. I used 120sqmm cooper condr with 15x15m spacing, 0.5m depth. With this data I am getting ground grid resistance 9 ohm, GPR more...
  3. ELEP

    Unit main transformer sizing?

    If Generator is 330MVA(208.5MW),18kV. How to calculate Unit main transformer size, is it correct to use factor 1.1 or 1.2 times of Generator rating ?. can anyone help me to know standard/reference. Thanks in advance !

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