what is the value will come when megger the phase to
phase ,phase to neutral ,phasae to ground ?
Answers were Sorted based on User's Feedback
Answer / parminder
THE VALUES ARE DEPENDS ON THE INSULATION USED. NORMALLY IT
PHASE TO GROUND IN MEGA OHMS. PHASE TO PHASE & PHASE TO
NEUTRAL IS DEFINITELY ZERO IN MOTORS. BUT IN MEGA OHMS FOR
TRANSFORMERS.
Is This Answer Correct ? | 11 Yes | 3 No |
Answer / lalit
if the motor of megger is in good condition, megger reads
phase to phase value zero, phase to nutral of ground infinity
Is This Answer Correct ? | 9 Yes | 6 No |
Answer / jeelanking
if the motor is in good condition megger value shows phase
to phase zero,phase body infinity
Is This Answer Correct ? | 8 Yes | 9 No |
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Hi, I've just got into my electrical engineering course and I need some help with a question of mine here. During a site visit, we were shown a main LT panel which has switchgears, ammeters and different kinds of relays and the distribution network from that panel. In the main LT panel I've noted down the current readings as Ir - 163A, Iy - 150A and Ib - 147A. The Line to Line voltage is 415 V at 50 Hz and Line to Neutral voltage is 230V at 50 Hz. From the above details, how would I calculate the kVA rating of transformer? The primary side voltage of the transformer is 11 kV and the secondary side voltage is 415V and the frequency is 50 Hz.