Answer / jithu toms

while starting gas turbine(generater) ,it should be started
as an induction motor,so need to adjust frequency to obtain
desired speed, after that by combustion of gas it will run
and induction principle will cut off..This frequency
controlling is done by sfc.

1. what is the meaning of bus? 2. what is the dc transformer? How it work 3.what is the function of the serge absorber? 4.How the CT and PT rating calculate/

1 Answers  

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what is the difference between on line & off line UPS

3 Answers  

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can we use existing delta star with neutral grounded,step down(6.6kV/415V), 3 phase power transformer bi-directionally.

3 Answers   GMR,

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What is d diff. btw MCB & MCCB???

1 Answers   Emerson,

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HOW TO CALCULATE HV CABLE SIZING?

0 Answers   KNPC, L&T,

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What is the source of dependent source ?

0 Answers  

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can anyone tel me what is competency of electrical supervisor??

2 Answers   ONGC,

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why heat produced at junction of two different conductor. what care should be taken to minimize it.

11 Answers   Birla, Maihar Cement,

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why secondary of c.t. will kept open ?

4 Answers   L&T,

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how u change the vector group of a transformer like DYN1 to ynd11

2 Answers  

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If the Supply voltage is increased by n times, the cross section of conducter will [increase/decrease] by ________ times ?

4 Answers  

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how to decide the rating of the ct for 1500 kva transformer

1 Answers  

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