Answer / probal mitra

It is due to the skin effect, which reduces effective
crosssection of conductor carryin A.C. current. hence the
resistance increases and larger conductor is reqired.

if only one generator is running in droop mode parrallel with grid and suddenly grid breaker off what will happen? It will trip o/u freq or stay as it is? (urgent)

10 Answers  

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what is work of CTPT in 33/11kv Substation

1 Answers   Fiat,

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i want to know how to calculate the battery capacity based on the UPS . ex i want to run have one kva UPS Which should run 10 hours ? in that case how many batteries to be installed and what will be the AH Value .

2 Answers  

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time constant of RC series circuit?

2 Answers   DVC,

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what happends when an isolater is operated on on-load

1 Answers  

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why ELCB's are not useful for operation theater equipments ?

4 Answers   Reliance,

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How to select a D.G set for calculated load of 110kW..?

7 Answers   Shakthi Power Systems,

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Two 11 kv lines are feeding to common bus in a substation,I have one set of CT & PT(3ct,2pt), How can I measure both lines power using single set.

6 Answers   L&T,

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What must be the distance between the Earth pit which are grounded from two different sources. Example: Distance between the earth pit for LV Panel-1 & 2

0 Answers  

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What are the different lines and what are the different types of losses occur on them?

2 Answers  

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How much pf maintan in dg set in 6o% load,when Dg runnig Neutaal Earthing removed what happen.

0 Answers  

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Can anybody please refer the best and simple book for about Protection relays and in detail of all its protection ?

0 Answers  

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