Why are we not getting shock while touching a metal which is being welded?

1 Answers  

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what is stper motor.what is its uses

9 Answers   Bhel, HCL,

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In 400KV Switchyard, we have used Circuit Breaker With PIR, what is the significance of PIR & why they'r used?

2 Answers  

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Explain about Dubai electrical sysaem? Explain about Dubai drinking water system? Explain about Dubai Burj tallest building Electrical,Water.etc.. maintenance system?

0 Answers  

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What is the criteria for selecting the voltage classes of an AC Induction Motor.The KW rating above/below which ht/lt selection is made may be provided in details.

0 Answers   DAE,

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What are types of encoders?

19 Answers   ITC Infotech, UFO, Wipro,

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Alternator rotor earth fault relay circuit

0 Answers  

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I need to connect a synchronous generator to the grid using automatic synchronization and two circuit breakers (one for synchronization, one for end connection to the grid), how to determinate the required diameter of the cables?

0 Answers  

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why there is a phase shift lies between primary and secondary voltages of a transformer?

7 Answers   Mecon,

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Why is the earth fault relay connected to the Yellow Phase?

4 Answers  

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what is the relevance of knee point voltage in protection and metering grade CT ? and basically what is knee point voltage ?

2 Answers  

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how is the testing of an REF relay? what are the test REF circuit having?

0 Answers   Siemens,

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