Answer Posted / nallakumar

The starting time motor taken high starting current that
star connection is must need after normal running condition
changed to delta connection.

How to select a cable size for particular load?

1783

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Why field rheostat is kept in minimum position while armature rheostat at maximum position?

1053

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What are the significant parts of dc generator?

1079

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how single phase preventer works ?

2488

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where we use the SFU & FSU?

2364

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What is synchro?

1098

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I have a reading off 1.5ohms at my mem my main c/b is rated at 40/6 amps in a domestic house and i was told to change it to a b curve c/b is this ok

1611

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What are the Formula of computing Back up Time of 500kVA UPS with 4 Battery Banks, each bank composed of 43 pcs of Batteries 12V150Ah. How to compute the Back up Time of UPS? We have also 3X500kVA UPS running in Parallel same composition as I write above.

1293

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How we can calculate the life of Lead acid battery

1719

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Why should we hire you over the others waiting to be interview?

2779

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How to calculate capacitor bank size at a load 800kVA.

1637

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Is there any Electrical supervisor license which gives permit to work whole India rather than individual state??

1818

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What is the function of RCBO? What are the different sensitivity ratings & each application?

2756

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if we have 320KVA Genset kindly advice how much load we can put it.

1468

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generally in LT and MV motors we are using 3.5Coresx16,25,35,50 etc cable for supply.although motors is earthed at two point and having all protection.then why we are using that 1/2 core for earthing the motors.while in HT cable we are using only 3core cable for motor supply.generally lt and mv motors are delta connected and ht motors having star connection.whethere it is having any relation with winding connection( star or delta).all motors i am talking about are dol only.can anybody solve my confusion.thanks...

1877

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