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 Categories >> Engineering >> Electrical Engineering
 
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Question Asked @ Answers Views     Select
What is boost transformer in railway??    1  538
What is the difference between Neutral And Earth ? ambuja   2  2399
why earth wire is needed in a wiring system    1  1071
How much area is covered by a single lightning arrestor to protect object from lightning strokes ?    1  1347
What is Synchronization of generator,where and how it is achieved. hec   1  1173
what is the difference between 230v and 115v? bhushan-power-steel   1  2413
WHAT IS DIFFERENCE BETWEEN CAPACITOR AND CAPACITANCE?    0  279
Diagram on interconnectivity of 11kv transformer with RMU (i.e, one incoming and two outgoing or two incoming and one outgoing)    0  649
Hi frnds :) plz tell me that i have 100 KVA 3 phase generator so by thumb rule 100*1.4 = 144 amps and generaly we can operate at 80% load...so it will 144*0.8 =112 amps.... so now i m confused about single phase load.....if we use that generator only for single phase the that 112 amps is total single phase load or i can give 112 amps at red 112 amps at yellow and 112 amps at blue.... i mean that total single phase load that 100 KVA generator will take is 112+112+112=336 amp ?? fwo   2  1466
WHAT IS SPEC OF CLEANROOM MOTOR AND LIGHT FITTINGS? apotex   0  584
what is motor capacity of 80TR chiller? and also say what is the formula related temperature, motor capacity, TR? apotex   0  485
Hi to u all : Friends: Why when operate on 2 phase welding machine the power metr goes reverse ?? the meter is god on other loads. thanks gedco   2  1114
Dear Friends, Need your help for connecting APFC panel, Quotation : I have 2 No’s 1000 KVA Transformers, both transformers are having separate APFC panels, ( Tr-1,400KVAR, TR-2,450 KVAR) Now I want to stop One transformer, present load is 650Amps, Max, So One transformer is enough, I have switched OFF TR-1, but PF is not maintaining properly, its 0.5, So now I want to connect TR-2 APFC also in TR-1 Loads, Can any one answer for my Quotation with drawing, how to connect TR-2 APFC panel in TR-1 Loads, l&t   4  2156
A 3-PHASE TRANSFORMER IS USED TO STEP-DOWN THE VOLTAGE OF A 3-PHASE, 11KV FEEDER LINE. PER-PHASE TURNS RATIO IS 12.FOR A PRIMARY LINE CURRENT OF 20A, CALCULATE THE SECOUNDRY LINE VOLTAGE, LINE CURRENT AND OUTPUT KVA FOR FOLLOWING.A)STAR- DELTA.B)DELTA-DELTA. ispat   0  490
what is the pulse and audio frequency transformer? what is different between induction regulators and tap changing transformer?    0  472
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Un-Answered Questions
 
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Can the output voltage of a rectifier be greater than the input AC voltage without the use of any voltage multiplier in the circuit??please provide the explanation too.. 516
how to select battery for 15 KVA UPS with formula 863
What will be the sampling frequency that reveals the same sampled signal? 196
why the power factor of the induction motor is low? 186
what is earth pit , how we can measured it, what earth rods reference 880
If we are given a 10 amp cable type and asked to calculate the number of cores used and the thickness of the cable, how do we do it?? please help...urgent!! i hope the question is clear enough!! 349
What transistor level design tools are you proficient with? What types of designs were they used on? 535
why need to be maintain power factor for industrial customer? 2014
what mean by analog ,digital,numerical meters and relays? say the example? 375
ELECTRICAL DRIVES: can a motor load system with passive load torque can have equilibrium speed in second quadrant 1791
234 MVA Generator 3 phase Short circuit current Values required? Gen set Rating-234 MVA, Gen Voltage-18kv, PF;0.8, Xdv:23.5 %, Transformer Rating-18/380KV, 680MVA,Yndd1 two winding, Step up TR, ZT:35.50 %,X/R 4.33 Gen CB Position, CB open ,Disconnected open, Generator Running Voltage 18 Kv, Bi mistakes generator side earth switch Closed during that time short circuit current level in 3 Phase required, and how to test on site 234MVA Generator Short circuit current, 334
how to failure indution motor insulation & how to improve heat in motor insulation 225
why u r living from presentaly working. 573
How many different speeds can be obtained in cascade control of two induction motors? 518
If I bring a basic electric meter from the States and hook it up in Costa Rica in a development that has only one transformer for the 50 homes, will it still be accurate regarding the usage of kilowatt hours? 290
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