Answer / aruniscool

Motor is designed to with stand the surge of starting current for a short period.if load driven is jammed or over loaded the time the overload thermal relay will trip and save the motor from burning.

what is use of capacitor in fan

8 Answers   ABB,

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a 440v 60hz 03 phase 100kw generator can deliver how much power in kw for 220v 60hz 01 phase load?

1 Answers  

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state types of reflectors in illumination engg. ???????

0 Answers  

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it is in our knowledge tht right plug of supply of residential suppy system is phase n other is neutral...howevr the battery charger of mobile works in both ways...i mean it is not restricted in only one direction.ny of the holder of charger can hav phase .so y is it not lik tht phase of supply must b connected 2 phase of charger...?

0 Answers   TATA,

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We use ungrounded DC system (220V/110V) for control and protection system in substations etc. Suppose we have long 2 core DC cables running from our DCDB in control room to the load (length of around 2 to 3 km). Do we need to protect these long DC cables from earth leakages or not? If yes how?

5 Answers   Siemens,

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Natural frequency of a system gives... 1) nature of transient 2) overshoot 3) oscillations 4) speed of response

1 Answers   CCP,

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How will u calculate wire size according to current rating?

2 Answers   Global Computer,

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harmonics filter

0 Answers   SEHA,

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What is the difference between eath fault protection & Restricted Earth fault Protection?

2 Answers  

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why electric shock due to dc is dangerous than that of ac

8 Answers  

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how can we rotate a single phase motor (without cap.)in reverse direction?

2 Answers  

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What is transister , thermister , thyrister? what is its function? where this using?

1 Answers  

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