How can we measure the frequency of a rotor running in full
load condition? Explain the method of measuring.
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Answer Posted / nanda
U can first measure the rotor speed at full load using a
tachometer..note down the Rated speed frm the panel board
and take it as NS.. rotor speed as NR.
Slip is equal to NS-NR/Ns....so the rotor freq Fr is
slip * AC supply frequency
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