Akhilesh Kumar Nair
@akhilesh-kumar-nair-4x1Bmf Member
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Posted #Threads
For design of LPS what is value of discharge current?
For designing a lightning protection system what is general discharge current taken for calculations.If there the value is universal standard for whole India?If not how to...
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Replied #Threads
Why only we use 3 phase why not 5 phase
pinankYes you can say it in a way. But if u are wondering why a 5 phase system is not used in generators, the main reason...
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Replied #Threads
Why only we use 3 phase why not 5 phase
pinankYes you can say it in a way. But if u are wondering why a 5 phase system is not used in generators, the main reason...
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Replied #Threads
Why only we use 3 phase why not 5 phase
pinankNo in a 5 phase system you won't get the symmetry between the phases. Let's say there are 5 phases A,B C D E. Now the...
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Replied #Threads
Why only we use 3 phase why not 5 phase
pinankWe know nature always follows a balanced system. Now consider a system with more than 3 phases. The angular displacement between two phases will not be...
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Replied #Threads
Why only we use 3 phase why not 5 phase
Void RunnerYou can use as many phases as you want. The main concerns are costs and heat generation, at a certain point the gains provided aren't...
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Replied #Threads
Why only we use 3 phase why not 5 phase
Saandeep SreerambatlaI think you have got me wrong here. Consider a 3 phase system which has phase angle of 120 degrees and which are in series...
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Replied #Threads
Why only we use 3 phase why not 5 phase
Saandeep SreerambatlaI have spoke to my friend who has done some Phd in electrical Engineering, I have shown him this thread and asked him why is...
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Replied #Threads
Why only we use 3 phase why not 5 phase
Jeffrey SamuelMate I aam sure you mean that the Phase difference between the maximum voltage is 120 in 3 phase and 72 in 5 phase networks...
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Why only we use 3 phase why not 5 phase
vamsi kancharlafor 3-phase peak voltage can be obtained well when compared with 5 phaseIf you're explaining something or asking I apologize sir but I don't understand...
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Why only we use 3 phase why not 5 phase
naman2511i am talking about the power gain... single phase power is VIcos(phi) while that of three phase system, power is sqrt(3)*V*I*cos(phi) where V and I are...
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Replied #Threads
Rotor angle change in alternators
Dhayalan.Swhen will the rotor angle change in large alternators???It changes when there is a change in load or fluctuation or any type of fault. I will...
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Replied #Threads
Why only we use 3 phase why not 5 phase
naman2511Using 2-phase system will provide you gain of around 1.4 time of 1-phase system. Using a 3- phase system will provide you gain of 1.57 times...
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Replied #Threads
Traction system of India?
Saandeep SreerambatlaCheck for the wikipedia articles for, 1. Locomotives of India. 2. Railway electric traction 3. Traction motor 4. Diesel Locomotive. All these articles give v...
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Replied #Threads
Traction system of India?
Saandeep SreerambatlaIn India we generally use, 1500 V DC , 25kV AC 50Hz supply all over. There are cases where we are using multiple supplies in...
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Posted #Threads
Traction system of India?
Friends I need following details of traction system presently employed in India 1 voltage and power rating of Motors? 2 number of motors used? 3 power...
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Replied #Threads
Need a idea for current equalisation?
A.V.RamaniThat only wastes power. Is there any reason to do that? In the house we have so many loads all running from the same 220 V...
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Replied #Threads
Need a idea for current equalisation?
A.V.RamaniAkilesh, edo kozhappam kanunnundu. There is some confusion. Let us say you have four loads with these currents: L1- 5 amps, L2- 4 amps, L3- 3...
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