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How we calculate the average power factor if the one phase is lag and another one is in lead?

1 Answers   DigiTech, MCR,

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Hi,Any one has idea regarding the KPTCL Recuirtments for AE'e & JE's for the year of 2009-10???Kindly help in regards..

1 Answers  

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what happen for input voltage output voltage input current output current and kva if we increase primery winding in transformer?

1 Answers  

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what is the use of pmg in exciter?

3 Answers  

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We have .ht motor which is 60Hz.we run on 50Hz.so that it's speed reduce but we had one prob.that motor winding temp increase up to 135 deg.we want reduce this temp.what to do?we arrange ext.cooling fan but not much effect.we want reduce this temp. Inhouse without affecting much.cost. also don't want reWINDING OF MOTOR?

3 Answers  

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which is better ac or dc?

2 Answers  

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to improve the existing power factor whether capacitors have to be added in series or parallel.and why

3 Answers  

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What is difference b/w Microwave and OPGW ??

1 Answers  

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what you mean by transformer neutral earthig

1 Answers   IOCL,

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how many typetesting of transformers?

8 Answers   ONGC,

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how many current required for hypo test

0 Answers  

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what is meant by a slip?

10 Answers  

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