Answer Posted / avinash

if you start the motor directy, it will draw the 6 times of this rated current. it effects the supply source & also the other machines runs along with. (i.e it may cause the blow offing of fuse, Tripping of MCB etc)

An 8 pole, 50 Hz, 3-phase IM is loaded to a poing where pull out torque will occur. The rotor resistance per phase is 0.3 ohm and motor stalls at 650 rpm. The rotor reactance at stand still is A 2 ohm B 1.25 ohm C 3.15 ohm D 2.25 ohm

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What is contract demand in solar system?

1693

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what is the easiest method of short circuit current calculation ? pls. derive with a mathematical example in real life application.

2418

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please tell me when we start motor without load in star or delta connection whose current above condition,pl write formula

2291

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what is mean by descripiency relay? & wht is its ansi code?

3162

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show the single line diagram of star delta starter with single phase preventer

4625

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would the same effect be achieved by reversing the connection to one winding of the induction motor 3-phase?

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Any Electrical Engineering jobs?Please refer for interviews. Thank you

1916

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i have a 1500kVA transformer what is the kWH meter i need to use?

1777

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how to decide choke rating for drive?

2309

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What is the lockout relay

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what is the effect of earth on capacitance in 3-phase and 1- phase transmission line?

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Can any one provide the inspection procedure of MIMIC for VFD panel? Details: If someone wants to have a mimic in the VFD panel what are inputs considered for the mimic(like on,off,trip) whether we are able to add speed variation in the mimic(if so how can we get) and what are the parameters to be checked in the MIMIC during inspection?

2190

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why power factor is important?

10316

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Explain the laying procedure and laying depth of submarine/subsea power cable for 220/400KV system? Also available cable diameter?

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