what is phase voltage phase current line current and their usage? provide diagram

1 Answers  

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What is the permissible value of earth resistance and as per which standard / act / rule ?

3 Answers   HBL Power Systems,

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Is AC Current Scalar or Vector Component?

9 Answers  

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how can calculated the rating of the 11 KV transformer?

6 Answers   NBCC,

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What is meant by stator? What is meant by rotor?

0 Answers  

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i need to calulate the cable size when watts are mentaind wat z the formula

1 Answers  

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Use of switch mode power converter in real-time basis?

0 Answers  

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is tree is a good conductor and it may be used for conductor?

3 Answers  

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following are the questions asked in interviews: 1) Considering the short circuit fault, which switchgear is preferable, SFU OR MCCB? Which operates faster? whicg one is popular in Indian Market and why? 2)Define SCPD. What is type2 coodination? 3)Why the contactor rating is higher for the fuseless selection than for fuse selection? whether the ratinf of SFU or MCCB remains the same in both the cases? 4)If the HP rating is known then can you calculate the ratings of L.V Switchgear(SFU/MCCB, contactor, OLR) without using the selection chart?

0 Answers  

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what are all the daily preventive maintainance carried out in transformer?

1 Answers  

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You required 5A from the transformer but you get 8A. How do you minimize this?

2 Answers   Bajaj, Siemens,

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What is the starting current of a motor?

3 Answers  

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