Answer Posted / guest

Generally when we consider a power system we need to
consider all the components trs gens and tr.lines.The
safety factor is defined as the ratio of min.fault current
to excite the relay/ desired value when the desired value
exceeds the relay operates, It is >1

Where I can get the sample question for post of Junior engineer electrical-II For RRB Bhubaneswar.

2190

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working principles of cf lamp,incandescentlamp and f lamp?

2263

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Difference between On Line capacitor and Station Type capacitor.

2050

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What are the types of excitation system?

2051

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What is genrally the % Impedance of a Dg set? How can we calculate Earthing conductor size for a DG set?

4042

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Explain the operation carried out in thermal power stations?

1055

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how to select battery for 15 KVA UPS with formula

2560

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What is making & breaking current ???

1521

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A 100W electric lamp is supplied from a 115V, 60HZ source. The peak instantaneous power dissipated in the lamp filament is

2387

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WE ARE PLACE A NEW 75 KW MOTOR FOR JPF.IT IS CONNECTED IN M.C.C. WHEN WE ARE STARTING M.C.C.INCOMER IS TRIPPED.THEN WE ARE CONNECTED IN P.C.C WITH A MM30 RELAY PROTECTION THEN WE ARE STARTED MOTOR WILL RUN SMOOTHLY.

2079

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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.

1822

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I AM FROM ELECTRICAL ENGINEERING ? I AM ASPIRING FOR "BHEL".HOW I HAVE TO PREPARE .ON WHICH TOPICS TO BE CONCENTRATE MORE.PLEASE GIVE FULL DETAILS OF WRITTEN EXAM.

2130

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how to find number of run cable laying[LT side] for transformer & alternator secondary side? [above condition for getting output power transformer to main panel side] give the example.

2084

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How to protect sensitive loads such as Dosing pumps inside a factory from voltage surge/voltage fluctuation.

1816

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How many wall/floor flange will i use in bus duct system if we have in our design a 35th floor building.

1508

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