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HELLO SIR/MADAM, IN OUR POWER PLANT IF ANY DC-SUPPLY IS EARTHED DUE ANY TO REASONS IN ONE PANEL, DUE TO THAT IT IS SHORTED +VE TO EARTH OR -VE TO EARTH VOLTAGE WILL GET REDUCED. SO DUE TO THIS WE HAVE TO CHECK ALL THE DCDB BOARD PANELS WERE FAULT HAPPEN AND IT IS TIME TAKING PROCESS. I REQUEST...