Answer / harish

Because of its triggering we use Scr In plant.

what is meant by excitation current & armature current ? where its produce & how we can calculate ?

0 Answers  

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why there is a phase difference between line voltage & phase voltage ?

4 Answers  

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What, in the construction of a transformer, controls KVA? For example 600/208/120 V transformer can be 10kVA or 45kVA!!! What do we change in the construction of a Transformer in order to change the rating but not the voltage.

1 Answers  

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How to increase home power factor? Can we connect capacitor directly? How to select capacity of capacitor?

5 Answers  

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what is difference between ac voltage and ac current

3 Answers   TATA,

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What is the type of electrical motor used in mining industries?

2 Answers  

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why for transformer protection we protect tranformer from 3rd hormonics and 5th hormonics and what is the reason of generating these horminics in electrical system?

2 Answers   Essar, LG, OPS,

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how to calculate single phase motor efficiency ?

0 Answers   Bhel,

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At what distance power transformer can be placed from generating ?

6 Answers   NTPC,

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How i measured Bus bars weight without wighting ?

3 Answers   Encom,

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how do u gauge the size of the cable ?for eg. consider a 300 sqmm L.T Cable.How do u determine the size of the cable seeing it pratically?

0 Answers   Bhel, Jai Balaji, Rashmi Group,

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what is meaning volt-hz ration,where is necessry tomaintain and why. specialy during increase the power of generator.

3 Answers  

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