Answer / sudheer

MC6161C and MC61A andMC31A are over load current protection
relays . all are different range relays and settings.

1.what is meaing of ups,and used in softwares and sud stations,and main partes in ups. 2.main partes of the Disel Genarator. 3.main partes of the chiller and safty equipments.

2 Answers  

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What is thyristor?

13 Answers  

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1.why motor rating in kw instead of KVA? 2.why alternators rating in KVA instead of KW?. 3.why transformer rating in KVA instead of KW?.

6 Answers  

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what is anti-pumping relay and the significance of it in a switcgear cb control system?

1 Answers  

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What is the difference between short circuit and overload currents?

14 Answers   IIIT,

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What is the difference between LT CT & HT CT?Can we use indoor type transformer as an outdoor type or vice versa?

2 Answers   Bhel,

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How is operate breaker failure scheme in substation

0 Answers  

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We have Diesel generator of 200KW. fuel consumption is always same,even connected light load or full load. Is it right?

0 Answers   ARDE,

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how the harmonics are generated in transforemer?

5 Answers   IFFCO,

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how can we select the appropriate VCB ?

0 Answers   Reliance,

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What is the latest generation of circuit breakers called?

3 Answers   Epitome, Focus Energy, Jakson, KDC, L&T,

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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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