What is difference between VCB and SF6 breaker

4 Answers  

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WHY IL=IPH IN STAR AND WHY IPH=IL/1.732 IN DELTA? WHAT IS REASON BEHIND IT?

0 Answers   Siemens,

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control wiring purpose,standards, ferrule code standard, interlock, schematic, symbol

1 Answers  

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why the supply power frequency is 50hz in india? where as it is 60hz in US?

4 Answers  

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what is mutual induction principle?

2 Answers  

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What is the effect of impedance on the heat losses in case of AC system??? Does heat losses really depends on the impedance or depends only on resistive component only..??

4 Answers  

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while running ,synchronous generator is being turned off.what will happen to the current flow??

1 Answers  

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For DG set,if the loading is increased,does flue gas temperature increases or not?

2 Answers   NTPC,

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Re: how to calculate diesel consumption of a D.G.Set? Answer # 1 We can not calculate the diesel comsumption...depending upon load it will conume the diesel...suppose the 1500kva D.G is running and the load is 1000kw means it will consume 150-200 liters per hour....

6 Answers   Cipla,

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send me the upsc conventional papers of 2006

1 Answers   Juniper Networks, Siemens,

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What is the maximum No. of out going mccbs permitted from an LV distribution paqnel? What is the ampere relation between incomer and out going switch gears/mccbs?

0 Answers  

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Why capacitor bank is not neccessery to switch on,pls answ me with formula

2 Answers  

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