Answer / nur.asidik

in fact, there are two.
-lowZ
-Hiz

 2nd harmonic blocking should be employeed to prevent relay trip during Tr stating up,

what are the installation procedure of high voltage power transformer,CT,CB&PT?

0 Answers   Siemens,

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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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why write 500v on line tester (Test pen)

3 Answers  

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In an LT pole, the line voltage is 415V. How is it converted to 230V into the house via the service cable?

10 Answers  

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What is Avg. Power Consumption of 2 TR Split A/C???How v can calc. this???

1 Answers   Emerson,

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Comment on the working principle of operation of a single-phase transformer.

0 Answers  

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what is vibration?

2 Answers  

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What is bode plot?

0 Answers  

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how can u say about the line by looking at the tower ? {voltage rating of the line}

3 Answers   BARC, London,

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Size of the power cable like 1.5,2.5,4 sq.mm which area calculated from whick area or how specified the size?

1 Answers   MRF,

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how many power plants in andhra pradesh,how many types and there capacity

2 Answers  

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what is the problem when i want to close a circuit breaker by local position it closes well.but when i close it in remote position it trips

0 Answers   KPCL, MDIM,

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