Answer / badhehm

01)Over-current protection
02)Short Circuit Protection
03)Ground fault protection

string efficient is 100% what is the voltage across the each disk?

1 Answers  

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21. What is the purpose of taking Capacitance and Tan Delta Test in Transformer bushing? 22. What are the protections to be used for Generator? 23. Draw the vector diagram and condition for the following: 1) Dyn1 2) Ynd0 3) YnYn0 24. What happens when the polarity changes in CT? Explain briefly? 25. Explain the Term in CT Name Plate – Class: 5P10

3 Answers  

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why you don not show protection and type of isolation in key single line diagram?

0 Answers  

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in an industrical wiring, why we are using lighting DB and Power DB separately?

3 Answers  

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why anti pumping relay is not given to tripping coil of the breaker? why only to closing coil?

2 Answers   INEL, Siemens,

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Whata are the types of Cables?

0 Answers  

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At the time of 1st charging of transformer, there were huge inrush current, so why at that diffrential relay are not operated? Why?

3 Answers   Adani,

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we are having 15kw and 3kw motor both can run in same time , instead of using copper we are using ug aluminium cable , 35 sq.mm is suitable for its current carrying capacity..?

0 Answers   Afflatus Grauver Pvt Ltd,

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why dc supply is given for excitation of ac alternator?how dc can produce flux?

5 Answers  

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What is the deffirant between EARTH, GROUND AND NUTRAL

4 Answers  

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the parts of transformers ?

1 Answers   Bhel, Facility management,

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VCB in closed position during opertion if vaccume break then what will happend? it has any protection ?

1 Answers  

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