How to identify Motor leads in their order coming out from winding without tag (U1, V1, W1 & U2, V2, W2)?6 41012
I have a transformer whose primary operates at 230V, 50Hz for which the secondary voltage will be 12V, 50Hz. What will be the secondary voltage if the primary is fed with 400V, 8KHZ Signal?6 6505
Why TAP changer provided in primary side of HT transformer ? and why not in secondary?9 42457
What is system earthing?what are the types?1 2145
Why P.F(power factor)relay should not be connected to the D.G(diesel generator) incomer side1 2581
What is the min.& max distance between two earth spikes is required for measuring earth resistance of an earth pit? Is the manufacturer of Earth tester decides this? Pls explain.3 6868
What happens if the capacitive reactance of a transmission line is very high?5 12017
what is the purpose of battery tap voltage.3 17897
Why we Specify Transformer rating 433 V Instead of 415V ?8 23804
what is the procedure for three phase motor differential relay testing can it do with single phase test kit?1 12496
What is power factor ?What are the benefits of improved power factor & how. Please explain with examples.?5 9689
What is Grounding? any difference b\w earthing? if yes plz explan??3 5013
why generally transformer are in star to delta or delta to star used?8 16670
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