Answer / tahir

In AC supply frequency 50/60 Hz. DC motor can not run with good performance. it may produce harmonics

Answer / marsad

Dc motor cannot be run at good performance when powered by AC supply.. this will result in heavy core loss...
if you really wanted to use both ac or dc suppy for working a motor. you should prefer a universal motor. which is actually an AC series motor with some modifications.. .

Answer / raghunath

The motor can rotate from forward and reverse direction depending upon the + and - cycles

we are operationing 3NOs 800 Kva generators by singronyus.specialey evening time our panel trip. the panel showing generator earth fault

4 Answers   RRB,

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What is different between MCB & MCC & isolator switch

1 Answers   Standard Chartered,

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What are the different types of cable jointing methods for HT and LT power cable?

1 Answers  

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wath is this mining of bts

1 Answers   Nokia, TATA,

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what is unit of inductance

12 Answers   Bhel, Bosch, OSML, Vijai Electricals, Voltage,

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HRC fuse provide best protection against

3 Answers  

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Can you please explain creepage distance in detail, for a 6.6kV cable head what must the distance be and how do you determine it?

0 Answers   Prism Cement,

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what is the thumb rule for determination resistance of resistor?

0 Answers   Siemens,

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how would you come to know if a transformer is double wound or auto? note that there is no tag. you are given only a multimeter.

5 Answers  

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Transformer type...??

1 Answers  

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how to discharge 3 phase power factor correction capacitors

0 Answers   M S Ramaiah Institute,

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The company is wiling to buy you 5 pcs of equipments in your electrical tool kit. Plz tell what are the 5 things you want?

3 Answers  

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