Answer / achal

Class 2 co-ordination?
As you have not clearly specified we assume it as Insulation Co-ordination hence Class 2 is the protection level (i.e. ability to withstand current capacity).

Answer / surajit mishra

Read the article by "Square D", an Electrical Company in the US. I am giving the link below.
http://static.schneider-electric.us/docs/Motor%20Control/0140PD9202A.pdf

Why CT's shall not be kept open?

5 Answers   ABC, Qatar Gas, TIPL,

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Whether IP65 enclosure box blocks ventilation if driver for LED have to enclosed inside IP65 box

0 Answers   Siemens,

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What is the dependency of stiffness on load angle??

0 Answers  

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how can we save enegry by using VFD for Resiprocating Air compressor which is having more unloading running hours

0 Answers   MRF,

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0 Answers  

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1 Answers  

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0 Answers  

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what is the principle of switchgear and its function

1 Answers  

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checking procedure of capacitor based motors.used in fans etc?

0 Answers   Badve,

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0 Answers   ABB, Bhel,

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2 Answers  

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what is an isolation transformer??? what is its purpose??? what happens if it is not used where it should be used?????

2 Answers  

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