Why in power plant projects we see DOL starting method used for motors upto 160 kW instead of star delta method

0 Answers   UCC,

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IN THE CASE OF AN ELCB, IF THERE IS ANY UNSTABILITY BETWEEN PHASE AND NEUTRAL IT MAY TRIP. BUT MY QUESTION IS WHEN A LOAD IS CONNECTED IN BETWEEN P AND N, THE LOAD CONSUMES SOME POWER AND THERE IS A DIFFERENCE IN NEUTRAL WITH RESPECT TO THE PHASE. THUS ACCORDING TO ME, THE ELCB WILL AUTOMATICALLY OPERATES WHEN EVER THE LOAD CONSUMES-- I KNOW IT IS WRONG. BUT THE SOLUTION IS?????????

1 Answers   KSEB,

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can any one suggest websites having study maetrials for the electrical students?

1 Answers  

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why current is constant on d.c?

0 Answers  

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Explen all type electrical protection ? like O/C,E/F,NPS,VOLTAGE UN BLANCE,CURRENT UN BALANCE,NAGETIVE PHASE SEQ,AND ETC...............electrical Protection

6 Answers   Reliance,

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The mechanical angle is electrical angle A always less than B greater than or equal to C equal to D less than or eaual to

1 Answers  

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A dc motor running on dc drive whose input is 3ph AC what will happen if we change the phase sequence of dc drive for e.g (R Y B) is connect as R B Y, will the motor run as same as previously running before changing phase without any effect

4 Answers  

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what should be the value of proper neutral earthing resistance?

3 Answers   ABC,

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How 48-relay (incomplete sequence) functions?

0 Answers  

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i am trying to PSUs/govermeant jobs since last 2 years but still i m not success, plz help me.

0 Answers  

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What is Co-generation in the context of electrical power systems?

1 Answers  

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which power plant has high load factor?

12 Answers   APTransco,

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