Answer / fff

without grounding fault current not flowing in the earth ..so may fault current do not get closing path ... cant sensed by relay maybe.

i wanna know that star point in transformer becomes as a neutral on secondary side now tell me that how is that possible?because if joit the all three winding ends with each other it can b short circuited.dut it doesn't.WHY?pls Answer me in brief.thanks alot

1 Answers  

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why neutral used in three phase motor connection?

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we have a lot of model of rectifier but thyristor rectifier is the most rectifier that use in power system. Do you know why this rectifier is used?

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When we use 3 terminal resistor?

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I have 320 Kva DG Set his KWh running is 77 , how i can calculate into electrical unit .

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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?

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what are the difference between AC lamp and DC lamp

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what is the resistance value of our human body?

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Is current scalar or vector?

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What is Surge Capacitor? Why it is use in Generator Circuit Breaker?

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