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Question Asked @ Answers Views     Select
What is Synchronization of generator,where and how it is achieved. hec   1  854
what is the difference between 230v and 115v? bhushan-power-steel   1  1740
WHAT IS DIFFERENCE BETWEEN CAPACITOR AND CAPACITANCE?    0  173
Diagram on interconnectivity of 11kv transformer with RMU (i.e, one incoming and two outgoing or two incoming and one outgoing)    0  560
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  1075
WHAT IS SPEC OF CLEANROOM MOTOR AND LIGHT FITTINGS? apotex   0  405
what is motor capacity of 80TR chiller? and also say what is the formula related temperature, motor capacity, TR? apotex   0  326
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  821
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   3  1506
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  372
what is the pulse and audio frequency transformer? what is different between induction regulators and tap changing transformer?    0  334
what will happen if secondary of potential transformer (220kv/110volt) of any metering core or protection core (cables) of any phase got earthed??    1  1903
what is power load and lighiting load?    2  1482
where can the transformer having vector group Yny0 be used?? nea   0  1231
what is the dis-advantage of 3 phase 3 wire energy meter? nelco   1  1218
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Un-Answered Questions
 
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what do you mean by type zero control sytem ?Give an practical example of type zero contol sytem? 293
What is touch potential and step potential? 340
Please clarify 1. Icw: rated short circuit working withstand capacity 2. Icu: Rated ultimate breaking capacity 3. Ics: Rated service short circut withstand capacity 4. other specification of ACB 1021
what are the stresses in circuit breakers ? 232
1.what is mean by 8/20 micro sec waveshape 359
How do i carry out or know the vector group of a Dyn1 and Dyn5 transformer 381
What kinds of decision are made about CT from it's Knee point(voltage & current)? 1142
i have applied for the post of RRB section engineering chennai board please send me previou papers and solved answer. my mail id jagarapusrinivas@gmail.com 324
describe the phenomena of vacuum interruption in C.B 198
How to select a contactor? How many types of contactors are available 1148
is it necessary to earth the rmu before cutting off the transformer winding?if yes why? 276
why HT armoured cable does not glanding 1684
what will happen if frequency is below 50 hz? 179
how to calculate the step resistance for slipring induction motor,how you deside the no of step for that? 407
how we can come to know that motor winding resistance which showing by DMM is right or wrong???is there any chart or something that we will compare & check??? 247
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