Answer / bhavesh n r

First of all pls ensure that if overload relay is tripped or
not.then check motor winding resistance & insulation
resistance of winding with body.then check motor shoud
rotate freely without jerk.if u any query then pls mail me @
aundal.bhavesh@yahoo.com

Answer / shivakumar

Control wiring also problem, interlock working are not working,when feed are not com feeder automatically stopped

Any link for Electrical objective type questions ?

0 Answers  

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The knee point of a current transformer is normally unique and known.So why in the nameplate of a CT they put the minimum value like this Vk> 400v.

0 Answers  

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RESISTONS R1 AND R2 in parallel = Total R.? 1-R=R1+R2 2-R=1/R1 + 1/R2 3-1/R + R1+R2 R=R1R2/R1+R2 select one

2 Answers   BSNL, PGVCL Paschim Gujarat Vij Company Limited, TCS, Wartsila,

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1. The DC generaror,s induced output emf is connected with a DC motor(as load). when increasing the load of the motor by using brake drum or any way. what are the parameters will changes in both motor and generator(voltage, current, resistance, frequency, speed, torque, power, flux etc...) 2. Similarly for AC generator and AC motor 3. similarly if using DC batteries instead of DC generator, What happens?

0 Answers   IBM, Kirloskar,

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what is Aircraft earthing and what does it do?

6 Answers  

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Define cuttoff frequency?

0 Answers  

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what is the maximum load in MDB,SMDB and DB

1 Answers  

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why neutral can not used in three phase motor connection?

1 Answers   HSL,

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Please tell me the earthing procedures adopted for the STAR-STAR 3 Phase transformer in india and give a better sugession for earthing

0 Answers  

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What is the lower limit of megger value for 66/11KV power Transformer ?

7 Answers   MSETCL Maharashtra State Electricity Transmission Co Ltd, Torrent Power,

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What will hapen if we run generator below 47.6hz frequency?

9 Answers   TATA,

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what is soft starter?working principle?where it can use?

3 Answers  

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