Answer Posted / narayanan

ceiling current is nothing but the maximum dc current which
can be given to the field winding of the syn.generator fox
its excitation

is the value of inductance depends upon the value of thitha in doubly excited machine??

2035

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What are the factors influence the choice of an electrc drive?

2080

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Please help me regarding my one concern. - During earth pit testing we noticed that the Clean earth pit and dirty earth pit showing continuity (Resistance value - 5ohm) . I want to know that if both earth pit have separate location and there is not internal looping between PIT then why such continuity is showing on it . Because of this issue the field side all earthing point showing short. In PLC panel we are providing two types of earthing cable which is coming from separate earth pit (Clean and Dirty earth pit) because of earth PIT showing short our PLC is not complying spec . please help regarding this issues.

1593

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explain me the relation between torque, frequency,speed,voltage and current in the 3 phase induction motor?

2259

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Explain different types of d.c motors? Give their applications

1127

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in dc suppy frequency is zero why? if dc frequency is zero how to exist dc transients and ac transients

2132

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what is the minimum recommended leakage current of an earthed cable connected to the body or skid of an alternator

2055

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what is DRP panels?

2148

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how to calculate cooling requirement of datacentre from electrical load?

2414

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A cable with concentric PE conductor must be used with frequency converter circuits what does its means.?

1578

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v/f drive basic princeple

2480

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trasnfarmaer core make

1971

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what is the difference between active power and reactive power and apparant power in practical as well as theoritical

1940

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Explain what is clipper and clamper circuits?

1173

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What are the different sign conventions used in electric circuits?

1170

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