Answer / niranjan

Its braking the motor by reversing the current direction in the circuit, it can be done by interchanging the the two supply terminals, in case of DC and in AC three phase, it can be done by interchanging any two lines of the three lines.

how to interlock 2 incomer,1 buscoupler MCCB,like we interlock an ACB... pls answer this question and if possible send me the ckt diagram..

2 Answers  

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Can u explain : what is supply for train (whether a,c or d.c ).I know that supply is 25000v a.c .But there is rumour that supply is D.C. And also explain how lights and fans inside the trains are working ,and what type of motors are used in trains whether D.C motors or induction motors .If d.c motor, how it gets supply.If traction motors are used then what are traction motors and its functions and how it differs from other motors and also explain about locomotive . please reply..............

9 Answers   NTPC,

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what the different between earthing and grounding?

4 Answers  

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would you please give me any idea about the BARC interview question on electrical? i have an interview on 1st july.....plz hlp me.......its urgent......

0 Answers   BARC,

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why series motor cannot be started on no-load?

6 Answers  

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The DC current waveform is - . What about the fire alarm waveform?

1 Answers  

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What is the difference between body earthing and neutral earthing?

2 Answers  

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i want to model paper for section engg.

0 Answers   Infosys, RRB,

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why we create vaccume in transformer tank before oil filteration?

3 Answers   CG CoreEL,

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What is the name of process In VFD frequency are increase then voltage increase & frequency decrease then voltage decrease?

0 Answers  

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What is Ton Capacity of Air Conditioner?

1 Answers   TATA,

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Hello friends i am facing one problem in lighting panel. Frequently neutral link near to MCCB is burning(firing. What may be the reason for this one. Please answer me.

5 Answers  

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