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

Differnce between negative Pahse SequenceFunction and unbalance Function?

0 Answers   Atsco, LMW Lakshmi Machine Works Limited,

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What is basic impulse insulation level? And how it is calculated for sub- station?

2 Answers  

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If the t/f capacity is 500KvA then what is Amps ratting of the main breaker.

5 Answers  

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We have 90mX100m hangar with 16 no.of supporting pillar. It is required to provide power supply on all pillars. what is suggested earthing scheme for hangars.

0 Answers   HAL,

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what is the advantage of DC Motor over AC motor & Where its applicable ?

4 Answers   Torrent Power,

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cost of operation of which plant is least?

6 Answers  

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What are the commonly used schemes for the bus zone protection?

0 Answers  

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difference b/w current and voltage relay?

1 Answers  

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what is the range of using dol starter & star delta starter.

10 Answers  

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What is High Frequency Grounding????

2 Answers   Emerson,

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what is the form factor of DC?

6 Answers  

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In dc motor starter there is less voltage required for holding contactor that's may why it is called no volt coil. but in ac starter why holding contactor is called no volt coil.

2 Answers   JSW,

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