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

1 Answers   IOCL,

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R=*¶ l/a

0 Answers  

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Should the neutral earthing of 33/11KV D-S transformer, be connected to the earth grid?(Yes/ NO) why?

1 Answers   HAL, Vijai Electricals,

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name the famous power plants in ap and vwhere it is located with capacity details

1 Answers   BARC,

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What is servo motor and what are the applications of servo motor?

0 Answers   BARC,

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what is use of thermistor ?

2 Answers  

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Transformer Specification say 66/11KV, 23/27/35MVA OFDAN,what is OFDAN? we know ONAN,ONAF or OFAF

2 Answers   Siemens,

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Why do we need interlocking in a HT metering or Ring main unit switchgear?

0 Answers  

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The power showed in the name plate of the motor is input power or output power?? The power showed in the name plate is 18.5kw measured current is 34.5 amps. location is india. can i calculate the efficiency of the motor using this data??

2 Answers  

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what is daiod

4 Answers  

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I am getting differential earth fault in my transformer realy , i have checked all its CT & control wiring but do not get fault, Please help

6 Answers  

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Dear All, I am new in construction company , my boss ask a question at time of interview , If we have 60MW generation and Single Power Transformer step-up we have. if CMR 50/60MVA , ONAN, ONAF respectively , is it sufficient or not ? for that much power to transfer,

0 Answers  

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