Answer / k.prakashchandra

To limit the starting current in the armature and to keep
the initial speed minimum at start ,respectively.

What is the function of RCCB? What are the different sensitivity ratings & each application?

6 Answers   Wipro,

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tell 2 reasons for why only copper is used in domestic wires& only alluminium in transmission lines ?

10 Answers   ABB,

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why VCB are not used in 132KV system(above 33KV system)

6 Answers   Al Ahleia,

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how the alternator transfere mechanical energy to electrical one ??

3 Answers  

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what is the total power generation in india?

0 Answers   GUVNL, HAL,

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like the transformer another electrical static device which operate on same priencipal?

13 Answers   Power Grid, Vishal Transformers,

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What is dynamo?How it works and what is the function of dynamo in a DG.

0 Answers  

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We know that primary transmission is done to reduce current so that i^2*r loss could be minimised but according to ohm's law v is directly proportional to i,which indirectly means higher potential difference means larger current?so how the current is minimised in high power transmission line??

2 Answers  

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suppose there is afault in transmission line connected to a generating station, then what r the adjustments u will take to without loss of synchronism?????

2 Answers   NTPC,

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i purchase a microwave which is 50/60Hz but Current Setting 60Hz in my country we usually use 50hz, can i use AVR to solve my problem?

2 Answers   Samsung,

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We normally make oil soak pits under Transformers. Oil from soak pit goes to collection pit. We provide granules/pebbles under transformers. My question is weather granules/ pebbles to be filled in soak pit or not? if yes upto what level?

0 Answers   Bhel,

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ELCBs are installed for protecting humans from AC leakage current.Is there a device which protects humans from DC Leakage current??e.g.leakage from batteries...If not,then why so???

1 Answers  

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