IS there any mechanical connection between the field winding and armature winding of a dc generator?

11 Answers   IOCL,

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what is cathodic protaction?

0 Answers  

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How the earth fault relay works please explain?????????

2 Answers  

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in non technical way how can u define POWER FACTOR??

0 Answers  

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What is transister define the transister ammiter ,base, colector.

0 Answers  

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Is there a chance for a motor speed to become negative..?? What is the reason for such a phenomenon.? In that case does the motor works as a generator..???

1 Answers  

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how a vibration switch's high signal will going to trip the motor? can u explain with some examplesand wiring diagrams?

1 Answers   Bhel, Wartsila,

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why high speed tripping relay is used in protection circuit why not normal relay

0 Answers  

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WHAT IS THE FULL FORM OF CABLE TYPE-AYWY,AYWAY,YWY ?

6 Answers   Polycab, VIR, XLPE,

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Why Lightning arrester used? Can we use piece of iron as a core material of transformer, if No, why? In CRGOSS material what is meaning of cold rolled grain oriented? Why Impegrenation of Transformer is done? Properties of Insulator? what is phase angle? Testing of transformers (Routine & Monthly)?

6 Answers   NTPC,

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Why are the cores of large transformers built up of circular transactions ?

0 Answers  

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what is the radio of kva & kvar or why calculated kva & kvar

3 Answers  

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