One 15kw motor Why we used star delta feeder?why not used DOL please explain in details

3 Answers   BMM Ispat, GSK, Pitti Laminations,

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what happens when power factor leads or lags to electical or home appliances

2 Answers  

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Is it required to lay 2 runs of GI wires along with armoured cables from one power DB Machines of higher rating?

0 Answers  

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I WANT TO KNOW LONGFORM OF CT/PT USEDIN POWER PROJECTS OR HT SWITCH YARD.

7 Answers  

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A charge of 240 C is transferred in 2 minutes. The current flowing is:(a) 480A(b) 120A(c) 2A(d) 8A

2 Answers  

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is there any difference between inverter and a battery

2 Answers   Cummins,

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We have 2 Nos. Transformer with the capacity of 2000KVA and 1250 KVA and currently using only one 2000KVA T/R during operational hours while non- operational hous 1250 KVA T/R also used to reduce T & D losses. Similarly, 2 capacitor bank of 500KVAR and 300 KVAR also installed to balance reactive power. Now problem is around 1000 KW load PF is not maintaning 0.99 as 350 KVAR capacitor is in healty condtion. Now the PF is maintain 0.95 to 0.96.

2 Answers  

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What is meant by Floating Neutral? how to prent

7 Answers  

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What types domain of laplace transforms? What behavior can laplace transform predict how the system work?

0 Answers  

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I am selected in OCL(Orissa cement Limited), but they have a Tech PI round their at their plant.Anybody has any idea that what kind of questions they are going to ask??Please guies help me. I am in serious headache.I have heard that huge elimination is done at there.

0 Answers  

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what is the difference between megger and earth resister ??

0 Answers   HMPL,

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what is mean by VCB colour code..???

1 Answers   Student,

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