Why R ph of Hv and Lv is shorted or joined together while taking vector group?

1 Answers   IOCL,

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DG lube oil and waste oil how to dispose outside and there is any authorised vendors will be there for this.

2 Answers  

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Wt is the function of reactive power? How it generates & consume though resultant is zero?

0 Answers  

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What do we use in Motor core laminations..???CRGO or CRNGO..and why..????

1 Answers  

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What is the use of centrifugal switch in 1phase induction motor? Why is it so called?

2 Answers  

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what is the chemical name for oil that used in the transformer

2 Answers   NCC,

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what is the safe meggar values for motor, transformer HT, LT and Cables? IF we want to replace I/C bay at our 220 kv substation which is of 140 mw load capacity bay to be replaced by 400 mw capacity bay.other than CT(1200/1) what are the other equipment i have to replace. why we generally use 3.5 core cable or in other word 1/2 core for neutral and also confirm me that in balance conditiob(3 phase)current in neutral will zero

0 Answers   Jindal,

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how to calclate fault level

2 Answers  

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how many transformer

8 Answers   Dalmia Group, TATA,

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Which type of DG need Netral Earthing?

1 Answers   Hyundai,

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how we have to calculate the short circuit current for 33/11kv 2mva, 7.5% Z, Transformer primary side breaker and secondary side breaker short circuit current for both sides?.

5 Answers  

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what is the diff. between AVR & H.T.Stabilizer

2 Answers  

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