Answer / suresh modi

Suddenly Increase current

should Dy11 and Dy1 group can be operated in parallel??????

1 Answers  

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why we use to transmit the power in three phases intead of single phase ?

5 Answers  

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In tranformer winding Connection Like Dyn1 ,so LV lags Hv by 30 deg and Dyn11 LV lead HV by 30,so how do this lagging and leading afffect the transformer??

2 Answers   Siemens,

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what will happen if secondary of potential transformer (220kv/110volt) of any metering core or protection core (cables) of any phase got earthed??

1 Answers  

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i want all question & answers of the written exam

1 Answers   Essar, L&T, MES, RRB,

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we have a rewind motor of 2Hp,2800Rpm, 220Volt AC. how can we choose the running capacitor for this motor, any formula for that?

0 Answers  

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Between educational qualification and practical work experience, give us a brief explanation on your practical experience in your past Endeavour that you performed well to the satisfaction of your past or present employer?

0 Answers  

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If 22 KV HT line, Current transformer is 25/5 then how to calculate multiplying factor.

0 Answers  

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it is used to measure the potial difference between two point?

2 Answers  

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what is the benift of HT metering & LT metering

1 Answers  

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What are the advantages of D.O.L Starter in 3 phase induction motor?

4 Answers  

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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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