Dear sir please mera ye sawaal hai ki rccb ka kya kaam hota hai please answer hindi me dizyega dhanyya waad

1 Answers  

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what is -24vDC and how can generate this -24vDC

1 Answers   Blue Star,

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Why ACB is used in LT why not in HT and why VCB is used in HT why not in LT

1 Answers   GE,

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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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How can we check ELCB trip current sensitivity How can we check earth resistance value

2 Answers  

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why current increases when voltage decreases in ac system

10 Answers  

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What range of speed can you get with the field control method of speed control of d.c. Shunt motor?

0 Answers  

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what is the function of anti pumping relays? what is KVAR? How it is generated in alternator? What is 3rd Harmonics? What is IDMT relay?

0 Answers   Aditya Birla,

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Why we get neutral from EB department, if not what will happen if we use earth instead of neutral? what is the result at the time of monsoon or rain with thunder and lighting ?

1 Answers  

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How can we calculate single phase load into three phase load

2 Answers   Jindal, Tanfac,

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difference b/w semiconductor and insulator

5 Answers  

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Should power factor be low or high?

0 Answers  

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