Answer / sagar upadhyay

Depends on the maximum load current. For example if the
maximum load current is 4A then a fuse of 5A should be
chosen. But it depends on other factors also like equipment
to be protected etc

why power factor is only cosine angle not sine angle?

2 Answers  

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In power generator sets, when they are coverted from 50hz to 60hz, the kva rating after conversion increases. For example, the manufacturer of a perkins 200kva @ 50Hz generator set has mentioned it to become 220kva after converstion to 60hz. What is the relation between the frequency & the KVA rating. Any formula please.

3 Answers  

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To avoid arcing what we connect in earthing.

4 Answers   HAL,

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why the earth conductor in top of the tranmission line ?

2 Answers  

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whether choke act as a voltage regulator in tubelight or not?

1 Answers   Bhel,

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how am i achived model paper to prepratio for bhel exam

2 Answers   Bhel,

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if we keep frequency constant can we cal a synchronous generator as a dc generator

2 Answers   Cummins,

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What is the importance of Form B to state Electricity Boards?

1 Answers  

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two or more transformer are working in parallal,one is out of order,what are you doing?

7 Answers   wbsedcl,

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how to introduce yourself

0 Answers  

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Whats the minimum value for I.R. that can be allowed for HT & LT alternators for operation?

1 Answers  

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what is full form of google

5 Answers   IBM,

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