Answer / rajeev goyal

Breaker having the protection feature and contactor doesn't
have.

why co incidence factor considered in transformer sizing?

0 Answers  

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calculate external resistance values to add to the rotor of a slip ring induction motor. STATOR- 415 V, 3 phase delta, 1100 A, 50 Hz, 1490 rpm, pf 0,86 ROTOR - 660 V, 590 A, 50 Hz. STATOR current at each steps STEP1-600A,STEP2- 800A,STEP3-1000A,STEP4-1100A.

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How voltage regulation is calculated for over head transmission line? What do we mean by Conductor constant while calculating voltage regulation? how it is differ for for diffrent type of conductor say AAAC DOG & AAAC RACOON conductor?

3 Answers   ABB, AES,

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Give idea about General Engineering. From which book i can study this topic. Pl. reply me via email. My email is ravi@bhelhwr.co.in, also give the name of book/website, from where i can prepare it.

0 Answers   TATA,

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Please define ohm’s law for a.c (alternating current)?

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What is the ideal power factor?

1 Answers  

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Q) Write VBscript code along with QTPscript code in QTP tool for below scenario 1. Launch yahoo site(i know) 2. Do loogin(i know) 3.Click inbox link(i know) 4.Go to every page of mail box and count no.of read mails and no.of unread mails(i know) 5.Store page numbers, read mail count and unread mail count in a new excel file sheet 6.Create 10 types of graphs on that data 7.Do logout and close site(i know) 8.Save new excel files with graph

0 Answers  

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if single phase is 230 v three phase is 440 v then what about two phase?and why is it so?

2 Answers   Eicher,

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what is meant by negative sequencing in power system.explain in detail

1 Answers  

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what's the meaning of the negative going half cycle in the circuit containing a bulb and a switch in series with a input ac source. i mean what happens in the -ve cycle. the dir. of current changes or any other thing. if dir. changes then why we use fuse in only phase wire.

2 Answers  

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What is rotor angle stability?

2 Answers  

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hi... Can anybody give me description of type-2 coordination, IP protection, NEMA standards ? Thanks..

2 Answers   KSEB,

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