Answer Posted / su raj

it will act as an 1 ph rectifier if anyone of other 2 lines of 3 ph rectifier is connected with nutral.

what is the operating time for LBB and how does the LBB relay realise whether cb is opened or not?

1931

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how is working bearing heater?

1940

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why normally Generator rating are between 11Kv to 22Kv?

4539

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What we mean by vintage of an engine+Generator?

2080

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how to setting Load amps tripping time and extra settings for load Transformer protection relay with RMU panel using C&S model relay..?

1076

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delta motor winding resistance I take normally single winding is 2.5, which value is came delta connection ie RY ?

1945

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What is different between resistance grounding system and resistance earthing system?

1096

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In case of salient pole alternator when number of poles are 4 or more than 4 it helps the flux wave to be sinusoid as air gap length is increased from center to tip , but if the number of poles are 2 how does the flux wave is sinusoidal?

1921

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What products have you designed which have entered high volume production?

2021

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In Dyn11 power transformer if any one of the 3 phases connected to earth in star connected side then please explain effect of the current flow in delta connected side of transformer.(In this case if one phase is shorted to ground in star connected side then we observe the current flow in two phases only not three phases in delta connected primary side. Please explain why it is so?)

1725

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We have 110Vac ,10A ac supply which is converted into 110VDC & How much DC current? which factor is reqired for dc current calulation?

5054

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How to calculate cable rating for 3 phase supply?

2124

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how do we calculate length of starting time and repeated starting of a direct online starter?

1933

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What is the difference between voltages or potential difference? And what are they?

1033

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how to prepare the technical test

2043

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