How can we calculate the power factor of an electrical appliance ? Is there any formula ? Is there any meter around to calculate it ? And how to use that meter ? thanks

2 Answers   Essar, Philips,

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Differnce between negative Pahse SequenceFunction and unbalance Function?

0 Answers   Atsco, LMW Lakshmi Machine Works Limited,

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and gate circuit diagram,amplifier circuit diagram

0 Answers   NHPC,

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For having nonavailablity of 10 Amps fuse, a lineman replace the same with 5Amps two strand, Do he correct ?

4 Answers  

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How generator NPS(NEGATIVE PHASE SEQUENCE TEST)TEST WAS DONE? PROCEDURE WITH DETAILS?

0 Answers  

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transformers parts & function of each parts

25 Answers   Amara Raja, Bhutan Ferro Alloys Limited, Breather, Electrical, Electrical Tech, ERDA, GVK, Juniper Networks, Matrix, Mechanical, NFL, Oracle, Pyramid Plastics, RPPL, RRB, Siemens, TCS, Tulip Silk Mills,

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What are the technical reasons for soaking transformers for various times before allowing them to pick load after a fault ?

4 Answers   GE,

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What is SMPS,How does it works?

4 Answers   Bharti, TCS,

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What is cathode ray oscilloscope (cro)?

0 Answers  

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how to check the insulation for motor using megger?

2 Answers   GSK,

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what are the affects of loose connection in electrical circuit.

14 Answers   HP,

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make control wire diagram of start and stop a function with a single push button

1 Answers   Sona,

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