A merz price circulating current system us used to protect a generator having a full load current of 600A, c. t ratio 2000/ and distance between the ct is at opposite ends of the machine is 200 yds. the pilot being 7/0.029 wire which has a resistance of 5.4 ohm per 1000yds.under straight through fault condition of 15 times full load the cts at one end have a voltage of 80% of that of other end. the relay having an impedance of 100 ohm is connected across the physit midpoint of the pilotsdetermine 1) At what distance the physical midpoint will zero voltage be located.2) At what current the relay will have to be set to give a stability factor of 3.
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don't know dear pls .... sorryy
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