Explain the function of VFD

10 Answers   Dalkia,

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What is the direction of rotation of blades in a table fan and in a ceiling fan ?

11 Answers   Power Grid,

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how to calculate the current capacity of a wire if its dimension in Square mm is given

1 Answers   TATA,

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In a single phase converter, the no. of SCR conducting during overlap? a.1 b.2 c. 3 d. 4

3 Answers  

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what is first pole to clear factor ?

3 Answers  

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xpression 'document.FrmQF.myemail' [

0 Answers   ABB,

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Which type of questions well asked. ?

0 Answers  

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What is ELR, and where it is used ?

7 Answers   KSEB,

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how much LT load can bear by the 100 KW HT connection.

0 Answers  

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what is the working principle of three point starter of dc motor?

1 Answers   Ashok Leyland, Cap Gemini, Infosys, Just Dial,

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two TG running in parallel at equal load.one TG CB tripped in reverse power relay.after tripping found its excitation was on & turbine running at rated speed.Please clearify why that TG tripped in reverse power ?

1 Answers   Bhel, Birla,

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what is formula in determining the size of Circuit Breaker for transformer with the following specifications. 7 units of 1600 volts (primary) and 400 volts (secondary). Both Primary and Secondary will have a circuit breaker which is SF6. What should be the Switchgear Main Breaker Size anf the sizes of each brances Circuit Breaker for Primary.

1 Answers   ABB,

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