we hav seen in electric engine of trains only 1 wired slidng conecctn is there frm ovrhead line,howevr to complete a ckt in dc postv n negtv two conection has to b there...so where is tht negative is been connectd or where it is grounded...?

5 Answers   ABB,

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why we use low kv lightining arrester in line for example 9 kv using in 11kv

1 Answers  

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What is vacuum circuit breaker.define with cause and where be use it device?

0 Answers  

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If a capacitor bank is having rating 750kvar for 6.6kv. Then for 3.3kv how much will be the rating of capacitor bank.

1 Answers   OCL,

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What happened to installed high capacity conductor for smaller current rating?

1 Answers  

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1.wat is the purpose (or)function of regulator? 2.wat is the purpose of stabiliser?

3 Answers  

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what is the use of power transformer in GSS.

0 Answers   College School Exams Tests, DLF, TCS,

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what are the basic insulation levels & what its Unit

0 Answers  

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how to calculate the tarriff for an industry whose kva demand is 10 mva

0 Answers  

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I WOULD LIKE NOW WHY WE CANT USE SOME CT FOR MESARING AND PROTECTION

2 Answers  

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hai now i am working as a electrical design engineer in construction field can i get a job in oil and gass field or power plant project as a electrical design engineer?

0 Answers  

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WHATIS TIME CONSTANT? WHATIS ITS SIGNIFICANCE? ILLUSTRATE THROUGH EXAMLES.

0 Answers  

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