You do not use AC to megger a device, because the purpose of meggering is to measure the insulation resistance of the device. You use DC to do that. If you used AC, you would be unable to differentiate between insulation leakage and capacitance.
500v
since the MICC cable the isolation between core is less as well as the outer sheath has probability of getting damaged during installation so meggering is important Any clarification mail to amal_elias@ymail.com
Earth testing results should be related to the voltage source, i.e., AC in most situations. AC reacts to resistive and reactive loads, DC to resistive loads only. Not all earth testers, however, use AC.
ac motor
The power source is AC. Hence AC is used. DC application is limited.
No. The cable has capacitance, and an AC source would not be able to distinguish between capacitance and leakage.
Because the cable has capacitance, and an AC source would not be able to distinguish between capacitance and leakage.
500v
since the MICC cable the isolation between core is less as well as the outer sheath has probability of getting damaged during installation so meggering is important Any clarification mail to amal_elias@ymail.com
Earth testing results should be related to the voltage source, i.e., AC in most situations. AC reacts to resistive and reactive loads, DC to resistive loads only. Not all earth testers, however, use AC.
electrical voltage
No. Ac is not allowed in Scrabble.
AC current is used in motors.
ac motor
The power source is AC. Hence AC is used. DC application is limited.
Because, the commutator segments are used for converting AC to DC.
What is the acepable rating on a #3 wire when meggering @1000v