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what are advantage and disadvantage of hvdc transmission . please tell us technic of hvdc technology
2 5906Explain What will happen when direction of field current is changed (i.e, field excitation is reversed) in the following machines? 1) Alternator 2) Synchronous Motor 3) D.C Generator ( Shunt or Seies ) 4) D.C Motor ( Shunt or Seies )
3 17952what is mean by hvdc transmission technology .what is principle of hvdc transmission and technic of hvddc transmission .
1 4606What is the major differences between RCCB & ELCB? If we use ELCB of less sensitivity why does it trip often and can we control it from tripping?
1 6621( Re: WHAT SHOULD BE THE RATING OF MCCB FOR 415V,3Ph,50KVAR CAPACITOR BANK Answer # 1 The capacitor current would be kvar x 1000 / (415 x sqrt3). This would be 70a approx. The MCCB selected should have *atleast 1.4 times this current i.e. 1.4 x 70= 98. So you should choose at least 100 A mccb.) regarding to this answer,i would like to know why the current have to times 1.4 to get the right amphere for the mccb.hows the formula to get the 1.4??tq
2 12144Shall I use 40A semiconductor Fuses in 32 A SFU ? Frame size is same. What Happen if Fuses burn on SFU?
2077Post New Electrical Engineering Questions
What tests should i carry over on a newly rewinded DC Generator with voltage rating of 38 volts and current rating of 350 amps, to certify that the machine is OK?
What is the difference between Static and servo controlled voltage stablizer?
What are the disadvantages of hydropower?
what's prime importance of protection in electrical system.if protection system don't work properly what can happen in electrical system?
Which material is used for the core of a transformer and why?
how a flip flop can be used as a latch?
How work of capacitor in dc supply...???
can you please send me the technical questions and aptitude questions of honeywell and jindal steel electrical engg. question paper my e-mail ID is(kkesavanraj@gmail.com)
Why field rheostat is kept in minimum position?
how can we calculate the ampacity of the electrical wire/cable. and what are the factors must be considered. pls. elaborate.
11kv/433v delta/star distribution transformer primary side full load Ht current is 83.33A in , but input side VCB rating 800A.why?
rajha power sector details
What is the function of interposing current transformer?
can you any one give exact mathematical relation between AC current and DC current?
temp of cast resin 1500kva tx formerwent up to 138.c but came down very fast to about 100.c within 20 mins when load was reduced from 70% to 60%
