Mention what are the types of semi-conductors?

0 Answers  

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Stator core loss of squirrel cage induction motor compared to rotor core loss is= A equal B more C less D depends on load

2 Answers  

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i heard that power factor(PF) is the main concern for industries, if they are maintaining PF around 0.6 they will be fined for that. now the question is, how can they improve the PF ranging between 0.9 to 0.95 which is safe for them i,e escaping from the fine?

5 Answers  

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why 3 phase is preferred than 1 phase?

4 Answers   Infosys,

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What is an ac motor?

0 Answers  

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what happen ehen synchronisation is done at below rated speed

0 Answers  

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what is the path of electron when a static electron is placed in a magnetic field?

1 Answers  

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if power factor comes in leading & showing -0.95. Is there any effect on electrical system? if yes, then please tell me what would be the effects. & how long we keep power factor in leading. Keeping power factor in leading shows more KW & less KVA is it correct or not.

2 Answers   Jakson,

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how "rabbit ACSR" conductors are more efficient than "weasel ACSR" conductors

1 Answers   AITM,

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We have three 33kv substations. All of them energised by same source.When i am checking the phase sequence between one substation to other substation (like R Phase to R Phase) by multimeter i am getting some voltage.Near to LT panels UPS panels are there. Can u explain whether any possible to happen like that. In Phase SEquencemeter is showing correctly in both substations. How is it happen. Explain me.Explain me communication signal will produce Phase difference on this case.

3 Answers  

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What is FTA card? How it works?

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what is thermo stat, explain how its working?

1 Answers  

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