In an panel board if the outgoings are power plugs and motor equipments...what should we choose as the incomer of the of the panel board?? MCCB OR ISOLATOR?? Should we use ELCB protection??if so where??

2 Answers  

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In a carnot engine with an efficiency of 40%, the heat rejected to the sink at 27 C is 60 kJ, then the heat supplied in kJ to the engine by the sources is

0 Answers   Caterpillar,

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why high speed tripping relay is used in protection circuit why not normal relay

0 Answers  

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Explain dc generator with its types?

0 Answers  

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what is the basis for selection of Protection CT class ? How anyone can decide whether to go for 5P10 or 5P20 ?

3 Answers  

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What is Percentage impedence of a transformer? why it is expressed at a percentage? what is the importance of percentage impedence in case of a transformer?

0 Answers   Haldia,

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How cmd is calculated in case of energy neters

0 Answers  

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what's mean by Transient stability analysis?

1 Answers  

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how to use single phase supply for a three phase equipement.

12 Answers  

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What is the concept of voltage & current its relation?

5 Answers  

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can we use inductor for passing or blocking of AC or DC?

3 Answers   Moser Baer, NTPC,

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what is international rules of electrical?

5 Answers   Essar,

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