what do you mean by PF correction. A motor is rated at 15 kw,415 volts, 0.7 pf and eff of 0.92. The powerfactor is improved to 0.98 by adding capacitors at the bus. calculate the current drawn by motor under full load condition before and after pf correction

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what will happened if generator runs with slow speed?

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what is the frequency standard with tolerance level for India?

16 Answers  

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sir my exam is on 19/6/2013 under electrical branch pls send me sample aptitude questions as well as sample technical questions for jindal steel and power company

0 Answers   Jindal,

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ITI r/tv trade APPLY (J.T.O VACANCEY) ALSO INCLUD AITT ELECTRONIC,WRITEEN XAM DONE 23.03.10 BUT NO RESPONCE WHY ANATHER ID gopal_gh007@rediffmail.com

0 Answers   KBC, wbsedcl,

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i am completed in B.E(Electrical and Electronics Engineering) with 8 months experience in Quality Control Engineer at Bharathi Industries,Coimbatore.

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What is the mmf,rgt and ngt please brief completely

0 Answers   cpgn,

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Who we calculate the generator NGR resistant, generator voltage 11 KV ?

2 Answers   ABB,

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if the number of poles generated in stator and rotor side of an induction motor are different then what will happen and why?

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How Id and Ires are calculated in siprotech 7ut612 and abb trsfmr differential relay.what is the formula

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In Induction machines which type of emf is induced ( statically or dynamically)?

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Why used in netural grounding transformer for netural side

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