Answer Posted / guest

because using higher frequency makes the trnsfrmr size small.

700KW 6.6KV slip ring induction motor to use VFD to control the speed

3249

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can we synchronize star system generators with delta system generators?

2116

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How we can defined theecopper cable size if we know the aluminium cable size?

1929

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What are the advantages of the three-phase motor over single phase motor?

1159

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How does the slip regulator works as a startor

2017

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Name one of major transformer company in KSA ?

1260

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Do inductive loads have distorted current waveforms ?

2002

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Please tell me the formulaes while designing a substation for power Calculations in designing a 33 KV Substation?????

1869

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A ii kv 1200 A Breaker combination fixed in a cubicle. How many ampere Fuse is required? If fuse is not using, Why?

2032

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What does Bode plot tell you?

1467

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Define average demand?

1424

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sir, 3phase induction motor takes different pf and different KW in three phase while running,explain reason

1535

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if there are six generators (3 gas CATT, one Jenbacher o1 MW each, and two nos Diesel 01 no 01 mw other 0.65mw EDGs ( say), 3 CAtt gas set have identical pole pitch,01mw EDG and Jenbacher gas Set have different pole pitch, how their power connection can be done to connect a common bus bar during installation. in short, how different pole pitched generators power connection can be done to connect a common busbar system through generators incomer ACBs.

1656

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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?

1915

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How to calulate Locked rotor amper(LRA) for compressor type motors?

1825

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