Answer Posted / deepankar

Generally there is no
need of starters for
single phase motors
because they have
very low inertia.
Only an over volt
relay or fuse of
required rating near
main switch should be
suitable.
However if there is no
economical problem
then d.o.l starter may
be used.

please tell me, how i clear the objective test? when i studied form the one book after i solved the objective ,that time i solved that qes. but if i tried solve objective form the other book then i could not solved these que.

1725

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testing of Vector Group – YNaoD II

2991

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what purpose to use excaiter in DG.?

2839

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How PSV sizing being done

2371

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How should i design a 1ph & 3 ph transformer. Kindly let meknow all steps and formulaes related to design from scratch.

2095

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what is the use of commutator in dc motor if we supply ac ? commutator is used to convert ac to dc.and it is used to arrange the flux in unidirectional in case of dc supply. if we give ac as supply to dc motor what is the use of commutator?

2135

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What is the reason of polyphase induction motor tripping suddenly on high current during running at 70% laod? Motor IR , winding resistance & inductance balance. Motor no load current is balance and ok as per mgfr. data.

2466

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what is the circutor?why we use it ?

2408

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Why increase in current leads to increase in conductor temperature?

1184

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Cb closed condition if there is a tcs fail whether cb will trip or not

1897

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A well system is when , no. of bus bar is less or more. Tell me the concept of it.

1983

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what will happen if the prime mover on the field excitation of the on-coming generator fails?Explain.

5610

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i have flexible wire. size of conductors is 0.190 mm & no.of conductors are 48. then size of wire comes 1.37 sqmm instead of 1.5 sqmm . the what is tolerance for this size.

1860

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what will happen if i connect 12 volt battery with 24 volt battery charger.

1946

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WHY THE COLOR OF OUTDOOR TRANSFORMER IS BLUE ONLY???

2177

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