What should be setting for alarm,tripping and cooling fan on for power transformer's oil temp. and winding temp. indicator?

0 Answers  

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how to calculate micom relay earth falt time and current sertting

0 Answers  

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what is the formula for calculation of sac?

4 Answers   TCS,

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what is the acb tripping & closing voltage.

2 Answers  

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1.where in India the maximum transmission voltage is operated? 2.what the methods are used to cool down the transformer?give the specific ratings of the transformer & specific cooling process. 3.how zero & negative sequence reactances are formed in a rotating machine when fault occur in the system?

2 Answers   IES,

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Why should be the frequency 50 hz 60hz only why not others like 45, 95 56 or anything , why should we maintain the frequency constant if so why it is only 50 hz 60hz?

0 Answers  

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1.what is electricity 2.what is electronice 3.how many modules 4.five electrical component with symbol 5.five electronice componene with symbol 6.how convert 220v.A/C to 24v/DC 7.220V.WAIRING DIAGRAM OF AMMETER/VOLTMETER/OHMMETEER

1 Answers   Hatsun,

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NGR? What is NGR?

14 Answers  

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Can you any one explain application of buccholz relay operation and pressure relif device operation of power transformer

0 Answers  

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How we check vector group for a Dyn1 transformer?

6 Answers  

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Why do we need ring main unit (RMU). what is its purpose and its advantages . what is the operating function of rmu

6 Answers   MahaDiscom,

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will aqatic animal die if we ground the wire of three phase instead of grounding to earth

2 Answers  

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