Answer / har

making capacity
breaking capacity
short circuit capacity & time

Answer / prashant pate

current rating,duty (indoor/outdoor),protections needed,
control voltage,switching mechanism,cost,Switching arcs etc.

Answer / srinivasa rao talasila

Making capacity,Breaking capacity,Earth fault and short
circuit,Time and Impulse current rating

briefly explain principle of resistance welding

0 Answers  

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A 150KW 440V motor is need to replace in the field instead of faulty one. what are the main parameter should I need to check?

1 Answers  

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how step down and step up voltage is occured in transformer

3 Answers  

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what happen if any one phase of a slipring induction rotor winding is open?is it start or won't?

2 Answers   Aurobindo, Hetero,

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what are doing the duall connetion in tree phase 10hp or etc motor with circuit diagram

1 Answers   Mukand,

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why do we not use equivalent voltage source in negative sequence equivalent ckt.

0 Answers   TATA,

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explain PV modules in solar energy generation.

0 Answers  

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why u r living from presentaly working.

0 Answers  

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How to calulate Voltage Drop for perticular lentgh of busbar (Cu/ Al)?

1 Answers  

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Is there any guideline say about display of earthing value near to earth pit

0 Answers  

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improve power factor by : 1)shunt reactor 2)shunt capacitor 3)series capacitor 4)series reactor

2 Answers  

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Some times to change of DOR of a motor, interchange of R & B is not effected and RYB take same current, but interchange of R&Y is effected ie change the DOR. My doubt is what is the problem in motor and how it is happen.

0 Answers  

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