Answer Posted / vel

over current and earth fault relays (2OL+1EL method)are
used for lv .

how to calculate vfd o/p voltage by frequency

2172

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What is the transfer function?

1094

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3 phase induction motor connection star or delta while using ac drive motor is .75 to 5.5 kw

1964

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How to check the thermocouple is correctly connected to cable for K type? (i,e positive pole is connected to non magnetic conductor and negative pole is connected to magnetic conductor)

1718

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hai friends i have BSNL JTO exam on next month so if any body have model question paper or give preparation tips to my mail id kumar4486@yahoo.co.in this will helpfull for my future .plz & thank u by kumar

1995

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I am designing new project sub station with 220 kV / 11 kV, 40 MVA capacity. This project have many recifier sets, which can generate 3rd harmonics. Now I have to select vector group of This transformer. To minimise 3rd harmonics, what care should I take in selection of Transformer Vecrtor group? If it is Y-Y with open Delta tertiary then what should be the rating & voltage of Tertiary Winding?

1876

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in basic 2 phase will short means tripping the power but spot welding 2 phase shorting but not tripping it will welded why.....(Q)

1961

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Is it true online ups having bypass mode if it is true then why we called ups because it is interrupting power when goes in bypass mode

2033

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number of I/O devices in siemense plc

2146

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What are the internal and external faults?

1113

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how to calculate maximum current

2339

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How can ou verify the size of conductor 50Sq.mm ACSR

1959

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IF alternator SCR value will be high means what happen in alternator efficency at operating power factor of 0.8

3866

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how i calculate the syncrones generator NGR resistance .if we have a 6mw generator line voltage of generator 11kv also line current 393.3 ampere.

2106

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how we design a pannel to start 10HP motor with the help of star delta starter?

2224

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