Answer Posted / manju

thicker pin is connected through earth,as v know that as the area of connection (conductor)increses the resistance decrease
R=$L/A. incase of earth fault, current easily flow to earth through thicker earth pin. tis will protect human from shock.

Why colled 440V to 3-phase supply.

2139

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11000volt DG set carnt kaise banvay

1670

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Is a 300w induction motor used in a food processor as powerful as a 1000w DC motor.

2215

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Is there any type of starter for DC motor other than two point,Three point and Four point starters?

2035

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When distance between two pulleys is not fixed, the tension of belt is adjusted by a) driver shaft b) driven shaft c) adjustment screw d) belt

3018

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help me with the question that might be ask on the interview for technical position

2285

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How can two 3 phase transformers of same KVA and Voltage be connected in parallel?

1883

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How can we calculate cable size in Low voltage & high voltage

1603

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hi there i am highly enthusiastic about discussing electrical concepts , and hence i wud lyk to invit al do intrested to join me at gtalk and hav a dscussun of the concepts , ad me as a freind . my email id is rakesh.2k99@gmail.com

2083

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in wind mill use 2100 kw asychronous generator ( induction generator ) rotor voltage : 3300,stator voltage : 690, rpm : 1511 type : MRL063E04 ' we check rotor resistance magger value found following. R-EARTH - 00 M.OHM,Y-EARTH-34 M.OHM,B-EARTH- 33M.OHM R-Y: 31 M.OHM, Y-B: 00 M.OHM,B-R :33 M.OHM HOW CAN I TAKE DECISION?pls ans. quickly

2296

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what is gridrotor resistance starter

1865

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why is a power transformer used only occasionally?it is used to step up at generating stations?and that needs to be done all day long !!!!!!!

1865

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for what voltage will reactive power be largest in 380 kv line : a) 375kv b)380kv c)385kv

1472

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what is mean by restructuring power system?

2055

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What do you mean by power transformer?

1063

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