Answer Posted / sasi

in India we are producing ac current from the power
stations. because the equipment cost is less than dc
production equipment. in USA they can produce current dc
according their facilities and production management.

What is the physical significance of phase.. i.e. what is exactly the meaning in layman's language.. 1 phase, 3 phase etc ???

1672

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(1)Can earth and be conected together (2) what is the diferent between earth & neutral

1295

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what is the criterion for selecting vector group of Transformers ? i mean how to decide vector group of Generator transformer, substation trasformer and transformer at consumer end

1765

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I have two PLC processors. I want to communicate both processor with each other. How i can do so?

1726

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What is the pro & con of having 11kv & 33kv incoming, and what is the adv & disadv. of converting from 11kv to 33kv.

2387

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1.WHAT IS A SMART CAPABLE DB ( DISTRIBUTION BOX) ? 2. HOW TO DECIDE THE TYPE OF DB TO BE USED ( RECESSED/ PLUG TYPE/ SMART ETC ETC? 3. WHAT IS MILLENEUM BUS BAR USED IN DB? 4.DIFFERENTIATE MCCB AND MCB.

1398

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What do you mean by distribution transformers?

660

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For a three phase induction motor, what will be the effect on motor if the neutral of the system is shifted to say 20 deg.?

1398

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how test transfomer(3 phase75kva) by megger

1611

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What happen when change order of CT in GIS feeder?

1176

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What is Phase margin?

650

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Can Anyone Answer anyone of these ? Q1) why direct SOLUTION of Load Flow Studies in Not Possile ? Q2)Why majority of Buses in power system are load buses Q3)Why one of the buses in Power system is taken as reference bus (slack or swing) Bus ? Q4)Bus Admittance Matrix is a sparce (means it contains some zero elements ) matrix , give reason

1350

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what are inductive and capacitive voltage transformers.what are their applications

1499

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how does the thyistor work in dc drive?

1539

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Post possible questions for Power Factor Panel FAT / SAT

965

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