Answer / aymaan

the effect of armature reaction in leading pf case is
magnetising ie to assist the main flux hence as the total
flux increases so the emf also increases

Answer / ajit

in leading power factor ckt is capacitive&there is less
voltage in capacitive circuit ,so voltage rises

Explain the grounding concept adapted in aircrafts?

2 Answers  

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why ct mensioned 0.5/5p20 plese any reply to me

2 Answers  

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what is the diffrence between resistive , inductive and capactive load please explain with exmpels?

2 Answers  

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what is the difference b/w neutral and earth?what is the need of earthing and what are the different methods for earthing?

4 Answers   NTPC,

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What is the relation between the Peripheral speed(N) , no.of poles(P) and diameter(D) of a cylindrical rotor alternator ?

5 Answers   NTPC,

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why we use star and delta connection?why we donot give the supply directly?

12 Answers   Hitech, Siemens, Tata Steel Limited,

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what is the diff.between neutral and earth?

4 Answers  

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sir, my question is that if we start any three phase induction motor with star connection.will be current taken ? please send a formula.

4 Answers   ABB,

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1.what is the basic difference between surge arrestor and lightning arrestor and where we use it. 1.what is the difference between metal oxide without gapped lightning arrestor and with gapped lightning arrestor

2 Answers  

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Natural frequency in the control system represents nature of a. Transient response b. Oscillations c. Overshoot d. Speed of responce

1 Answers  

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As a electrical engineer.. what are the basic norms should follow in transformer oil testing.. 1.What is the Electrode type? 2.How long time you will give for oil testing?

0 Answers   NAL,

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What is the difference between PLC & DCS?

1 Answers   Power Plant,

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