Define CT & its function

6 Answers   Essar,

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Why dc voltage used to excite alternator field in stead of ac?

4 Answers  

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Which type of DC generator is used for electric welding purposes and why?

1 Answers  

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why the inserting resistance in wound rotor induction motor decrease the starting current and increase the starting torque

2 Answers  

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What is the main difference between power transformer and Distribution transformer?

9 Answers   APTransco, Bhel, NTPC,

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what is meant by Is limiter?what is the use of current limiters in electrical ditribution network?

2 Answers  

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Questions :- HR- Q.1 about yourself & family background ? Q.2 Why u choose Power sector as ur carrier starting not any other sector ?? Q. 3 What think abt NTPC ? Techincal Questions:- Q.1 about Vocational Training……What u did , see the main equipments….etc Q.2 Why a transformer Noise during its running condition ? Q.3 about transformer oil material & Test name for the measurement of its dielectric strength & wht will u do if its dielectric strength goes low ? ……..some discussion type ? Q.4 What is relation between transmission lines & Communication lines ? Q.5 Which Machine u will prefer to use at a place where flammable gases are coming out & why ? Q.6 how fault in an electric system is detected & hw protection of equipments is done ? Q.7 Why we didn’t feel electric shock in an electric train ?? Q.8 Anything u want to ask from us ??

44 Answers   Akona Engineering, Bhel, BSES, Cranex, DRDO, JCB, NTPC,

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What is Antipumping Function & If we have C.T how we find the Ratio ?

0 Answers  

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If auto trip is operated, can you close the breaker.

2 Answers   KSEB, L&T, Siemens,

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what is the difference between delta-delta, delta-star transformer???

3 Answers  

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why single core HT cable need only one side earthing?

2 Answers  

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In our plant we have installed new MCC with ELR and CBCT which is detecting some leakage current in the system but it leading to some confusion when to check that in which feeder which is drawing current we put off the whole panel itself but still CBCT detecting some leakage current so can anybody ans me , where i am going wrong or how to detect whether its actual leakage or CBCT malfunctioning.

0 Answers   Saint Gobain,

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