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 Categories >> Engineering >> Electrical Engineering
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Question Asked @ Answers Views     Select
In D O l starter motor starts as a star connected ,then in star delta starter also motor initially starts as star how come star delta is preferred from dol    1  27
Dear sir, my knowledge about cable size determination is limited. Though I read examples I could not calculate the Cable size required for electric driven pump 40 KW, 380 Volt, 50 HZ, 50 meter from transformer and it is three phase star delta starting. Please help as there is no one in my surroundings to help.    0  21
Why inductor short on dc and capacitor allow to flow ac?    1  71
When alarm is activated in buccholz relay in transformer    1  49
how to calculate the size of the HT cable    0  18
Why battery is always operate on dc supply?    1  60
what is dc system? how getting pulse from rectifier?    1  40
i have 1500 kva generator how much maximum load avilable of use    0  15
I want to know which cable would be best to carry 125A current to a distance of 50m. Voltage is 3phase. Kindly share the formula with answer.    1  46
according to ohms law ,the voltage increases then current is what happened?    3  258
what is G.O.D.S. ?    2  220
are there rmu for 3 transformer?    0  51
How to calculate 5hp 415v 3phase 2800rpm Ac motor full load current with out tourgh    1  102
H.t motor 6600 volt to same motor lt supply 440volt supply applyed to h.t motor to effect....    0  38
Why reactive power is needed in a power system? How is it being absorbed or delivered by alternators? For reactive power control we are changing excitation but reactive power absorbing or delivering related to stator. How these two are interlinked? i want a detailed explanation with necessary expressions and figures?    0  41
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Un-Answered Questions
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How can we calculate C10 rating of a bttery from c5 or c20 ratings?? 2220
am commissioning the trafo without connecting the neutral therefore unbalance will occur what is the alternative solution for this? 236
what is the sludge current 322
in non technical way how can u define POWER FACTOR?? 246
How to choose primany and secondary side MCB 538
if there is nutral in phase why we use earthing wire and grounding? even at fault condition the fault current flows to neutral (it is a lower path) 253
Why efficiency of generator is higher than motor at a particular load? 351
Why capacitor blocks DC current? 290
Good morning: I'm looking for some informations about the OLTC or the LTC: I wont to know what the function of the tie-resistor in during the operation of reversing/coarse operation Cordially 365
Which type of DG need Netral Earthing? 1510
what is difference between isolation and ultra isolation transformer?, what is the method of testing ? 1238
how to calculate micom relay earth falt time and current sertting 327
Hello Guys !! i want to rrb section engineer electrical(signal) previous model papers? any body help me? 222
What will be the fault current of any system when its generation is 10% of BASE generation( FUll Load )?Will is 10% or the same as full base calculation? 263
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