Answer Posted / limna

since an induction motor is started on no load,it has a high starting torque.therefore they are switched on by providing high resistance using a starter.and once the motor has reached its rated speed the starter resistance is slowly cut out.

How relay coordination has to be done? what are the inputs are required for this? Please explain this with calculation method?

1778

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how i calculate the syncrones generator NGR resistance .if we have a 6mw generator line voltage of generator 11kv also line current 393.3 ampere.

2093

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Why the power factor improvement is so important in industrial loads

2022

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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?

2105

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can we choose current transformer secondary, to calculate residual flux in a power transformer, so as its saturation is close to the saturation level of power transformer?

1470

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which type of effect of turbine and generator reverse power protection ?

4183

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How to know any size of cable if there are not written on cable? Answer must be theurical not by experience.

2107

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please send me last 5 year interview questions

2179

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When distance between two pulleys is not fixed, the tension of belt is adjusted by a) driver shaft b) driven shaft c) adjustment screw d) belt

3012

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how many safety really of DG sets.

2205

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what is the difference between 2 way and 4 pole selector switch???

2423

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Single line diagrams for star to delta and DOL starters.

2249

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What are your personal skills and abilities for such a Master Course and your possible preparation to undertake this course?

2030

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Define filter?

1099

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WHAT ARE THE DATAS REQUIRED FOR PROTECTION AND METERING AND CONTROL AND LOGIC PREPARATION,HOW TO STUDY THE PROTECTION AND METERING?

2184

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