Answer / anil

star delta is used at the transmission side
star star is used for low voltage supplies
delta delta is used for higher voltages
delta star is used at the recieving end of the transmission

is there any lightning by passer is arranged in ship like buildings?

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Hi all I had applied for the RRB test in the ELECRICAL category. I would be pleased if any of you can sent me previous year question papers. Please forward the question papers to varshashahi@yahoo.com Thanks and regards Varsha

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what is meant by leakage current of a capacitor?

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Tell me in detail about c.t. And p.t. ?

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I have 4 busbar of 1000 ampere. we use 4 busbar to make 4000 ampere in one phase.my problem is that when we applied 60% load on that then busbar produced high noise.what is the reason of that and how can i minimize that noise.

0 Answers   College School Exams Tests,

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What is power relay?

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what is the advantages of Lighting transformer?.. is it possible to reduce the power consumption ?.

6 Answers   Lucas TVS,

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Which type of transformer used in lighting load?

2 Answers   IMFA,

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what is the purpose of supervision relay coil

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Will MCB tripped off, if there is an electric shock to Human body?

9 Answers  

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Hi ,what the accurate method to set correct(In) over load to protect the 3~ motor

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What is the restart inhabit setting in ABB spam150c relay (Motor protection relay)

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