How test for Ddo vector group test condition?
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how does electrical train works and what type of motors are used to drive the train? which level of supply voltage is used?
why the starting voltage drop in a cable needs to be limited?what is percentage of the voltage drop allowed during starting?
What is the difference between Welding Transformer and Normal Transformer?.
in trains i have seen the terminal which is connected at the top of the train is positive .where is negative ? track? i dont think so
why there is a humming noise in transformer
what is significance of B-H curve? how it differs form ordinary transformers to Amorphous Transformer?
Explain what is electric traction? Explain few advantages of electric traction system?
If i want to build 230kv substation what are the equipments to be installed?
What is the one main difference between ups & inverter ? And electrical engineering & electronics engineering ?
Why does inductive loads consume KVARs?
what is the difference between RMS meter and normal meter
why we are giving D.C. supply to field of an alternator, why can't we give the a.C. supply
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