Answer Posted / shri..

Thanks for repply


But why not using + ve 48 volt????

how to do the ductor test?

6746

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For R-L or R-C ckt,time constant formula is L/R and RC respectively and its unit is in sec.Pls tell me the derivation

2898

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I am getting above 60 V as open delta voltage against single phase unit ICT at tertiary delta formed and ICT getting trippped on NDR. ICT tested and found in order. PTs provided on tertiary are tested and in order. what may be the reason?

1808

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what are the application of over current relay?

4621

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i have to install a HT panel, what components, I have to use in this and what will the diagram of that diagram,please tell me each and everything.

1535

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I had applied for JE in PSEB, Can you pls send me the Question bank for related to my field

1623

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please send me previose rrb junior engineer qustion papers

1867

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how we can calculate the efficiency of a diesel generator ?

1364

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Why computer humming sound occurred in ht transmission line?

808

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plz tel me syllabus and exam date 4 jr executive engg (electrical)

1701

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what is meant by moulded case circuit breaker ?

1906

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3 phase induction motor connection star or delta while using ac drive motor is .75 to 5.5 kw

1717

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1.why should we connect the measuring instruments in l.v side in short circuit test of a transformer? 2.why the power factor is less in open circuit test of a transformer?

1805

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Where should the lighting arrestor be placed in distribution lines?

876

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Can Anyone Answer anyone of these ? Q1) why direct SOLUTION of Load Flow Studies in Not Possile ? Q2)Why majority of Buses in power system are load buses Q3)Why one of the buses in Power system is taken as reference bus (slack or swing) Bus ? Q4)Bus Admittance Matrix is a sparce (means it contains some zero elements ) matrix , give reason

1562

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