Answer / krupa s

clipper is the circuit it removes the unwanted portion of
the waveform (voltage)
clamper shifts the Signal(voltage) to the required level
Both are electronic circuits.

Answer / priotom dalani

CLIPPER : IT IS AN ELECTRONIC DEVICE THAT CLIPPS OFF OR REMOVE AN UNWANTED PORTION OF INPUT SIGNAL WITHOUT DISTORTING THE REMAINING PART OF THE WAVEFORM. THE CLIPPER WHICH REMOVES THE POSITIVE HALF CYCLE OF THE IN/OUT SIGNAL IS CALLED NEGATIVE CLIPPER.
CLAMPER : THE CLAMPER CIRCUIT DOESNOT CHANGE THE PEAK TO PEAK RMS VALUE OF THE INPUT WAVEFORM. HERE THE WHOLE SIGNAL IS EITHER SHIFTED UPWARD OR DOWNWARD FROM THE REFERENCE LEVEL,ACCORDINGLY ,IT HAS BEEN CLASSIFIED AS POSITIVE AND NEGATIVE CLAMPER RESPECTIVELY.

Please let me know when replacing electromechanical Relays for protection of generators with sr489 multilin Relay, then there is no need to use 86 master trip relay Too. I am wondering this multilin relay has no contact to Stop breaker reclosing as 86 does

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