TNC switch is also available in 1NO+1NC. What does it mean ?

1 Answers  

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why surge suppressor in vaccum circuit breaker and it is only in motor feeder why not in tranformer feeder?no surge suppresor in ocb in motor feeder?

1 Answers   IOCL,

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I need the proper answer on :- What is the Earthing Value as per the standard for Raw power and UPS Pit and in panel /DB N-E value ???

2 Answers  

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what is the purpose finding power factor?

3 Answers  

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how to calculate diesel consumption of a D.G.Set?

4 Answers  

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Technical equations

1 Answers   ME,

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in three 3.5 core aluminium ug cable. one cable is used for one phase by shrting R,Y and B wires and other 2 cables used for Y and b phases. balace 3 neutral wires are made common and connected to load. suddenly neutral current was more than line current what is the reason behind this?

1 Answers   DLF,

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How to maintaine ht motor efficiancy

1 Answers  

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why transformer do not rotate?

3 Answers  

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Which loss in DC machine is maximum?

1 Answers   IFFCO,

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what is skin effect?

6 Answers   MPSEB,

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what happen when ac motor is connected with dc current

4 Answers  

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