In the solution of load flow eqation, Newton raphson method is superior to the gauss siedal method because (a)the time taken to perform one iteration in the NR method is less when compared to GS method (b)the number of iterations required in the NR method is more compared to that in the GS method (c)the number of iterations required is dependant on the size of the system in the NR method (d)convergence characteristics of the NR mehod are not affected by the selection of the slack bus

1 Answers  

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Can we step up a 230V supply to 400V using a single phase transformer??

2 Answers  

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Can u explain : what is supply for train (whether a,c or d.c ).I know that supply is 25000v a.c .But there is rumour that supply is D.C. And also explain how lights and fans inside the trains are working ,and what type of motors are used in trains whether D.C motors or induction motors .If d.c motor, how it gets supply.If traction motors are used then what are traction motors and its functions and how it differs from other motors and also explain about locomotive . please reply..............

9 Answers   NTPC,

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diagram for soft stater ?

3 Answers  

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if transformer core is made of copper instead of steel which losses will increase..please explain

5 Answers   Bhel,

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Formula to calculate amps rating when we are having only the width & thickness of the coppper ?

2 Answers   BEL,

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From past few months I am getting lagging pf even though sufficient capacitors used in circuit. Where is the problem pls answer

0 Answers  

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What is the exact minimum vale of voltage between an earth and netural which can damage or can do malfunction of the electronic equipments ? If this is mentioned in any book, pl.give reference.

0 Answers   Bhushan Power Steel,

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what is LT & HT?

6 Answers  

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why we used capacitor in induction motor?

4 Answers   Mitsubishi,

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HOW DOES THE PERCENTAGE DIFFERENTIAL PROTECTION WORK IN POWER TRANSFORMER

1 Answers  

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Which motor has high Staring current A. Series DC motor, B.Induction motor c.Synchronous motor D.DC Shunt Motor

4 Answers   CCP,

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