what is meant by 3rd hormonics ?
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In transformer which temp should be less oil temp are winding temp?
whenever a squirrel or a crow gets tangled near the out put of the feild transformer there is a discharge of 440 volts of current through the neutral due to which my appliances blow up causing a huge bang.will the RCCB help in these conditions
i have ht transformer of 142 kva with air cooled facility,having secondary voltage 7850volt, and secondary connected full way bridge rectifier .i faced the problem repeatedly that transformer one coil and rectifier diode of two phase was burnt two times. i checked all the secondary ckt. no any short ckt found,then what will be the cause side
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Explain the iniluencc of short circuit ratio on the pert'orniancc of synchronous machine.
why should we have to maintain pf in our site 0.9????????
How to calculate the voltage drop of 4 Core 50 Sqmm SWA cable for a distance of 350 mtrs and what can be the maximum load connected to it?
what is electrical machines
In UPS, battery connections if parallel connection given, what will happen?
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Match the following a)(X'+Y') b)X'Y' C)XY 1)NAND 2)NOR 3)Carry
Define over current & earth fault ?how its functioning ?