Answer / shankar

by using a capacitor and rely
or by using 555 timer
or by using two transister

Answer / manish kumar janagal

also by using a 1 phase alternator connected to 1-phase
supply in such a way that it's frequency is just less than
the supply frequency

could you measure current in parallel?

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explain how to protect high rise building from the risk of lighting.

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I am having a DG set.The 415 V from Generator is step up to 460 v and then the same is used for Induction furnace. before Step up, I am connecting LT load to my factory use. When Induction furnace is in service from DG, when i try to start a motor, the generator is tripped.Please tell me the reason.

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why HT armoured cable does not glanding

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