Answer Posted / shrestha

primary wdg
sec wdg
core

If there are two transformer having rating of 2.5mva, 6.6kv/440v(satr-star),and the load is 600kw then what is better to maintain less losses in transformer having both transformer in parellel or only single transformer connected to load? Please give calculated answer

2662

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What is the reason behind current flow(20 A) in amain earth cable of an SMDB? Is cuurent flow(45A etc) through a neutral cable acceptable?

1929

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why ht motors are star connected?

1821

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Explain and give examples about VCB?

3263

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sir iam a 3rd yr eee student.no core company comes for recruitment to our college.my aim is to be placed in l and t.tell me the procedures.

1961

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When and where resistance earthing is used ? How to calculate the time constant for earth fault

1749

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1.why are not using acb 33kv ht side? is there any problem 2.what is difference between acb,vcb,sf6 breackers? 3.what is the function of invertor and convertor in ups?

2107

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What is the difference between diesel generator engine with and without turbo charger with the same capacity?

1630

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critically criticize the application of ring main unit in power system

1391

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if a 3phase 100kva distribution transformer , 400 v,50 hz, 4-wire system is loaded at 160 k.w mostly 1-phase Lighting & Airconditioning split a.c load what will be the net effect on the power system in terms of voltage, powerfactor, current , efficiency of xformer

1846

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As you achieve greater success with the company after some years, Will you like to be a share holder in our company?

2756

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What is the formula to calculate distribution transformer De-rating on iron losses basis

1793

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Why CBCT rating is 50/1A

2788

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when we gave dc supply to 220v dc motor its rpm is 1200. then we gave 180v. how many rpm of its motor. gave answer with calculation at my ID.... ravizak@ymail.com

2294

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Explain dc generator with its types?

1058

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