What is mean by powerfactor. What is the difference between leading and lagging power factor?

2 Answers   HCL,

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Either It Possible a dc Motor to Run On Ac Drive [ Ex : ACS 800 , Yaskawa F7 ] If it is Possible How Pls Inform Me dinesh_elect_eng@yahoo.com

0 Answers  

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what is the difference between squirrel cage & slip ring induction motor?

17 Answers   College School Exams Tests, NTPC, Ramyaa Electro Gear,

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we have 3.5MVA-11/6KV transformer. how can we calculate earth fault current and NGR calculation?

0 Answers   IGC,

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A 1F capacitor is charged to 100V initially. A 1H inductor is connected accros the capacitor througha a switch. The current in the circiut when the switch is closed is____

0 Answers   Ecil, L&T,

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why transformers not work at d.c.-

3 Answers  

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i have applied for the post of RRB section engineering chennai board please send me previou papers and solved answer. my mail id jagarapusrinivas@gmail.com

0 Answers   RRB,

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how can i reduce sparking without stepdowning the voltage

0 Answers  

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What is the importance of earthing?

0 Answers  

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Hello friends., my question is related to testing of current transformer... A Ct having knee point voltage of 750 volts., and I have two step up transformer's of rating 230 v to 440 volts., can I obtain the value of 750 volts by using the two transformer's.... If yes then how could I connect the transformer's to obtain knee point voltage?? thank you in advance

1 Answers   ABB,

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in alternator why on load terminal voltage is less than no load teprminal voltage

1 Answers  

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What is the complete procedure of erection of electrical panel in industry

0 Answers   BTM, Imerys,

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