what is the concept of star delta starter?

7 Answers  

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what is effect of reverse c.t connection on metering.

4 Answers   Cushman Wakefield,

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Why one side of secondary of transformer is earthed, to supply single conductor of electric traction system?

1 Answers  

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how to calculate power loss cost of aluminium conductor and copper conductor?v=500v.i=100A.x-section area=68mm.squre conductor

1 Answers  

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one cable insulation resistance 200 mega ohm. how find 250 meter cable resistance.

2 Answers   NTPC,

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what is S.T?specify the range?

2 Answers  

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Which type of transformer used in lighting load?

2 Answers   IMFA,

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Questions :- HR- Q.1 about yourself & family background ? Q.2 Why u choose Power sector as ur carrier starting not any other sector ?? Q. 3 What think abt NTPC ? Techincal Questions:- Q.1 about Vocational Training……What u did , see the main equipments….etc Q.2 Why a transformer Noise during its running condition ? Q.3 about transformer oil material & Test name for the measurement of its dielectric strength & wht will u do if its dielectric strength goes low ? ……..some discussion type ? Q.4 What is relation between transmission lines & Communication lines ? Q.5 Which Machine u will prefer to use at a place where flammable gases are coming out & why ? Q.6 how fault in an electric system is detected & hw protection of equipments is done ? Q.7 Why we didn’t feel electric shock in an electric train ?? Q.8 Anything u want to ask from us ??

44 Answers   Akona Engineering, Bhel, BSES, Cranex, DRDO, JCB, NTPC,

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why we are 0.8 power factor only?

1 Answers   Suman Industries,

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where the lexical paramater will use in fron end?

0 Answers  

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why we use Test Terminal Block in 11 KV and 33 KV electrical panels.

0 Answers   EMC,

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If one d.g. is unable to take full load of system, then second d.g. will take care of partly Load.for this condition RPM of both DG set should be equal.By using Synchronization panel RPM of dg sets are match, is it true?

1 Answers  

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