Answer / murugavel

ELCB and RCCB also working with Neutral so your welding transformer may be earth leakage or neutral short with your earth so first you it

Answer / raghav govind

Because rccb works under unbalance current flowing in the desired circuit...if a man stuck, were in electric shock...if its in single phase protection breaker....the circuit will allow even current... Not unbalance current flow...since the breaker will not trip in this situation...definitely...

Answer / vipin shishodia

No it will not trip

ward lconard control

5 Answers   Bhel,

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what are the disadvantages in GIS over AIS

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Describe the control mechanism of missile launcher???

0 Answers   DRDO, ONGC,

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What happens instead of using 3 phase, if we give loop of single phase to all three phases ??

1 Answers  

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Give me check-list for electrical preventive maintenance of machine tool.

1 Answers  

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for hipot test on 33kV busbar, we will test on 70 kV or 56kV, what is the acceptable leackage current?

0 Answers  

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Which type starter is used for synchronous motor?

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If we have 11 kv RYB Phase single core cable near about. Then wht effect and losses

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how much test voltage should applied for tan delta test.

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11. As per the theory current doesn’t flows in Neutral, but practically it is not applicable, explain why? 12. How to take the Vector Group Test in Transformer? What is the purpose of doing Vector Group Test? 13. Why the transmission lines are in 11kV, 22kV, 33kv, and why not 10kV, 20kV, 30kV? 14. Why do we generate 3 Phase AC Supply? It is possible to generate 4 Phase and 5 Phase explain it? 15. Explain why the Voltage drop will happen in 3 Phase line? 16. What is the equipment used to control the generator output? 17. What are the factors to be considered during the Synchronization? 18. What should be value of Circuit breaker operating time and tripping time? 19. Why the CT Secondary is rated as 5A generally? 20. At which time Synchronous generator act as a Synchronous Condenser?

1 Answers  

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If we need4× 50mm sq cable but it's not available so we can pull 4×25mm sq 2cables

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What is I/P converter?

1 Answers   RRDonnelley,

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