Why are the HV motors are connected in star connection?

5 Answers  

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what is the function of statics switch in ups and tell me parts

0 Answers   Dalkia,

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Is it required to lay 2 runs of GI wires along with armoured cables from one power DB to another Power DB?

0 Answers  

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what is the function of governor in dg set

1 Answers   Igarashi, Medispray, Reddy Labs,

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Size of the 60Hz and 400Hz transformers is a) same b) 60Hz Tr s larger than 400Hz Tr c) 400Hz Tr s larger than 60Hz Tr d) None of the above

5 Answers   Ecil,

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what is the difference b/w ATS and HTS?

0 Answers   Mikano,

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I am having a DG set.The 415 V from Generator is step up to 460 v and then the same is used for Induction furnace. before Step up, I am connecting LT load to my factory use. When Induction furnace is in service from DG, when i try to start a motor, the generator is tripped.Please tell me the reason.

3 Answers  

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If i have two 3000 kW motors and the whole facility requires a 10 MVA transformer. What would be better installing two 5 MVA transformers(one for 1 motor ) or just a single 10 MVA transformer for both of them. Give reasons for your answer.

4 Answers  

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If current flows through conductor it produce magnetic field only.but if current flows through vaccum both magnetic & electrical field produce why ?

4 Answers   NTPC,

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What is highest size of HT motor like 11 kv or 33 kv,and how to make it 750 rpm.i think the size will be very big.any idea ? pl. reply..

0 Answers   ABB,

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what are the safety measures of induction motor?

3 Answers  

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why tan delta test is carried out in the power transformer? which parameter are measure?

1 Answers  

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