what do you mean by partial discharge in cable

1 Answers  

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what happens when back charging of transformer is done for longer period

1 Answers  

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What will be the capacity of the generator set which can be used for my 2 ton window air conditioner ?

1 Answers  

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Bus-bar is made of which material & name of mostly used material in bas-bar design ?

7 Answers  

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following are the questions asked in interviews: 1) Considering the short circuit fault, which switchgear is preferable, SFU OR MCCB? Which operates faster? whicg one is popular in Indian Market and why? 2)Define SCPD. What is type2 coodination? 3)Why the contactor rating is higher for the fuseless selection than for fuse selection? whether the ratinf of SFU or MCCB remains the same in both the cases? 4)If the HP rating is known then can you calculate the ratings of L.V Switchgear(SFU/MCCB, contactor, OLR) without using the selection chart?

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What is the Total Power generation Capacity in India at present ??

20 Answers   Bhel, College School Exams Tests, IBM, NTPC,

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I have 2500KVA transformer delta/star,13.8KV/380V provided with LV 4000A breaker. Already I have 2300KW motor feeder with a full load 90%. Is it possible to connect another 1600A from that breaker? If so how the calculation is done?

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what is a synchronizing lamp ?

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Does dry and oil transformers both require dedicated neutral, because in my project we are using 2500kv dry star delta transformer, where they say neutral not required and even it is not provided in our substation. can u let me know

2 Answers   Voltas,

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How is operate breaker failure scheme in substation

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Cables Construction hi friends, 0.6/1/1.2 kV LV , DC and Control cables are concentric copper conductor what does its means and what is the use of concentric copper conductor,and are this with copper tape shield or copper screening, ? thanks

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i am having a 3 phase 12.5HP motor,that is connected in Star/delta.Without any Trip that motor stopped suddenly why?

8 Answers  

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