What are the neccessary safety arrangements before commissioning of HV substation?

1 Answers  

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Hi If connecting a temp generator 670KVA .415kv with step up Tx .415/11kv. I am given Generator impedances Z1 Z2 Z0 to 100MVA base. Do I need to work out the generator fault current by using these impedances i.e gen rating / impedance. Then use this as my source impedance for the calculations that follow.

0 Answers  

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We all have seen transmission and Distribution lines In transmission lines the voltage is high and current is low(to reduce I^2r loss) and in distribution lines voltage is low but current is high however the size of transmission wires is bigger than that of distribution wires even though the amount of current carried by the distribution lines is more than that of transmission lines why?

4 Answers  

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hi,every one, i have to write the search paper on "performance policy optimization" of NGN (next generation networks). i need the material on this topic. can any body help me. please tell me any useful site where the good material is available and name of any reference book. it should be a great help for me.

0 Answers  

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what do you mean by plant earthing system.

0 Answers  

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what is effect of reverse c.t connection on metering.

4 Answers   Cushman Wakefield,

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why vacuume circuit breaker is not used for EHV

3 Answers   College School Exams Tests, Crompton Greaves,

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why can we use cosine wave instead of sine in ac supply as both have same rms vale and ripple factor

0 Answers   Indcoil Transformers, Power Grid,

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Write the analogous electrical elements in force current analogy for the elements of mechanical translational system.

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What happened when capacitor connect series in ac circuit?

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why current transformer secondary is short circuited an what will happen if connect very high resistance acrossthe secondary side of current transformer?

1 Answers   NPCIL,

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Why we use three phase world wide why not four phase or five phase being used?

8 Answers  

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