Answer / prabhakar

We use DC voltage with DC series motor bcoz it can start
with load

Answer / bipin

it is 1-phase...25kv ac, 50Hz. actually traction substations
are there which recieve 3 phase supply and divide these
phases into sections of about 30-40 kms along the line. each
of these sections are completely electrically isolated from
each other by using dead sections.

Answer / kapil

25 kv single phase ac.converters are installed in engine because we need ac also to supply auxiluries like blowers etc.

Slow acting fuses are most often used for which application a) Lighting circuit b) heating circuit c) Motor D) Radar circuit

1 Answers  

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please give some hindalco placement papers for written exam

0 Answers   Hindalco,

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difference between temperature sensor and temperature switch

3 Answers   ABB,

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Why the wave trap is put in Y phse only in switchyard?why not in other phases?

1 Answers  

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How Can we calculate current carrieng capacity of Copper Bus-Bars and Alluminium Bus-bar

2 Answers  

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My energy meter ratio is -/110/root 3,1A and connected line CT is 100/1,PT is 11kv/110 so what is the MF for meter

1 Answers   Apollo,

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why induction motor's p.f 0.8

0 Answers   Suzlon,

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how to calculate P.F from kva only?

3 Answers  

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What difference between voltage and current

5 Answers  

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you have a 2 tonne ac that operates for 2 hrs daily what will be you monthly bill (this is complete question asked nothing else was given)?

1 Answers  

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I have a 5KVA UPS. Total load to be connected almost 3KW. Ordering a battery pack with capacity of 1920VAh. How long will the backup time be?

1 Answers  

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What will happen if we on 200kvr capacitor bank(11kv in bus)If there is low load on transformer (1.5 mva 33/11 kv)

0 Answers  

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