Answer / jagjeet singh solanki

power transformer is used at generating station and its rating is above 200kva but distribution transformer is used in distribution system to step down the transmisson voltage to distribution voltage and its rating is about 200kva it is kept in operation all the 24 hours a day whether they are carring any load or not.

Name the different control schemes of electric rive.

1 Answers   DVC,

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flurescent bulb rating is to 230v,50HZ.now flurescent connected 230v,25HZ.whether nreduced frequency will affect the glowing properties of flurescent.

6 Answers  

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Why need 3phase machine double earthing?

0 Answers  

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1. What is differential relay? How it operates?

3 Answers  

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sir plz send some previous year questions of jspl.

0 Answers  

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Where can I get Iidian straderd specifications for electrical items or works in web? please help me.

0 Answers  

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What is the control action?

0 Answers  

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difference b/w bus bar and tie line?if possible explain with eg:

2 Answers  

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What is the general power factor & min. power rating of TV,LCD type TV, CRt type TV, Scanner, printer?

0 Answers  

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In separately excited m/c,we excite the field by a dc source,what not with ac source?

1 Answers  

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why do we need a 4th wire in 3phase 3wire transmission line

6 Answers  

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How to connect frequency meter in metering circuit?(single phase and three phase frequency meter)phase to phase or phase to neutral

7 Answers   ABB,

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