what is the difference between arc and spark

2 Answers  

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Any one can explaination about calibration with rotating sub standards?

0 Answers  

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in 33KV or 66KV system which connection is aviable on high voltage transformer primary delta or star ?

3 Answers  

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where this neutral connection goes after returning from the load(home ,factory,industries).Is it grounded at the transformer side or atthe generator side .If it is grounded then we also ground the earth connection.is there any problem with this.

1 Answers   IOCL,

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what is the difference between DOL starter&star-delta starter& automatic star-delta starter

2 Answers   Dalkia, GSK,

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Hi My dear all Friends, There is a question regarding HVAC Engineering and widely used in Power Projects. Question- What is the diffrence Between REF, SEF and Differential Protection....???? Where REF - Restricted Earth Fault SEF - Senstive Earth Fault.

0 Answers  

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GIVE CONDITION FOR MAX EFFICIENCY OF 3-PH TRANSFORMER AND D.C MOTOR

2 Answers   BARC,

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What is maximum permissible length of cable from transformer (33kV/0.433kV) HT side to HT panel which contain VCB? In which standard i shall get this information.

6 Answers   MSEB,

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I am working in transmission network, one of my 66kv line having short distance about 6km, when sending end voltage is 67kv receiving end get 69kv, i want to know that, does distance affects in this matter, please explain in this matter & if possible answer me on my mail id, kaushikkumar.vanavi@getcogujarat.com, kaushik.vanavi@gmail.com

5 Answers  

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how to decide the ratings of the MCCB,MCB in electrification.give me the proper thumb rule or procedure.

0 Answers   ABB,

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What are the disadvantages of LT AVR over HT AVR?

1 Answers   APTransco, Jindal, TNEB Tamil Nadu Electricity Board,

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what is stay bow?

2 Answers  

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