freak16
@freak16-XgiLj6 Member
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Replied #Threads
Transformer - Learn and Contribute
E= 4.44*N*f*g Here E=induced emfThis equation is obtained by "e=dg/dt" only. So you see everything in the context of refined equation.Frequency about which you talking about...
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Transformer - Learn and Contribute
chaitanyagymnastWhat happens in transformer when we change the supply frequency?? i.e the change in voltage, current, flux and etc..??There are many possibilities considering the...
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CEans From NCR Region
CD Make 😔 to 😀 I would like to be a part of such a meet after 31 of may except weekends as I am terribly...
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using only 3 phase AC source device, explain how to control the speed of dc motor
3 phase Bridge rectifier can use both diodes and SCR. There can be no comparison between BR and SCR. As SCR is a power electronic device...
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Know Your CEan - Yadavundertaker
Nice To know about you YADAV.. LOTS OF LUCK TO YOU !!!
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Happy birthday CEan Vik001ind
Happy BirthDay !! May you flourish always and always be on the top of World!!
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Happy Birthday CEan- Freak16!
CEans I am so gratefull to you .. I owe the happiness you gave me by starting a thread for giving me wishes.. 😀 😀 I...
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Happy Birthday CEan- Freak16!
@ all Thank you guys for your wishes. I am really very happy to see so may posts wishing for me. Thanks once again. CE rocks.....
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Know Your CEan - freak16
@ Lovejeet So nice of you ! Thanks a lot @ Praveen I am not 16 . 😀 @ NM Thanks a lot
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Know Your CEan - freak16
Thanks a Lot Friends! Feeling good after being a part of KYCean. Thanks SP and CD. I am so happy reading all the comments @ Nion...
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Endowed just rs 3000 for a great act of selfless courage
Yes! Praveen you are right. It is just a futile thing to parrot in the world largest Democracy!
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Transformer - Learn and Contribute
You didnot get the answer yet??? Didnot you watch the video i gave the link of?
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Transformer - Learn and Contribute
Arpfreak last answer we would like to have from u!! regarding protection relays for transformer. reply it soon... 😀Sur Arp.. I will post as soon as...
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Transformer - Learn and Contribute
He got atleast 4 if he had answered each Answer in separate post Praveen..
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Are Superstitions good enough?
@ Nerdy Awesome thoughts! Very Well presented.. @ Maria Nice to Know about philippi people Superstitions. But Obviously they( Superstitions ) are not good enough. @...
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CE Meet @ Chennai
What about DELHIITES CEans?? This is biasing 😲 that too publicy.. CEans you are not supposed to be.. Good to know by the way. 😁 Feeling...
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Transformer - Learn and Contribute
Kudos to Arp!! I will answer after some time. Here is one more question paper ( Comparatively Easy though ) Instructions 1) No negative marking 2)...
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Transformer - Learn and Contribute
Agreed. Can you please post the answer of question 2and 3? On load tap changer is located over the top as their will be many tapping...
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Song For CrazyEngineers By Maria & Lyline
@Maria!! You rock buddy. It is a fantabulous job.
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Are Mechanical/Civil/Electrical Engineers not keen about computers?
People from core branch do not find any or find less good stuff from net (free). Yet there are sites like NPTEL or more Where they...
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Modeling of servo motors
Yes You can do it simply by writing the equations and simuate it. What type of help do you need?
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The Khan. is here!
:welcome: Welcome To CE. Hope you come with some quality stuff in Mechanical Sections.
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fm radio receiver, please help me :(
Hello nero1987! Yes there are sites like #-Link-Snipped-# Here you can find number of FM RADIO. Hopefully it will help you.
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Transformer - Learn and Contribute
praveenscienceMind sharing the link here???#-Link-Snipped-# In the mid of this lecture , you will get the same concept.
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POWER SYSTEMS : Learn and Conribute
Good Arp. Try other question as well. Write anything you feel. @ ALL CEAN People just try out these question once even if you have little...
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Transformer - Learn and Contribute
I am afraid if On load tap changer is used in distribution only. It is used in high capacity transformer and GTs are high capacity transformer.Also...
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Transformer - Learn and Contribute
Ans 2 Because first they need some sort of biasing like bjt amplify only when you proide dc biasing to it.Second their efficiency is very poor...
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Transformer - Learn and Contribute
praveenscienceIn a remote car??? What did you want to ask? I read it in video of power electronic ( By B.G Fernades iit bombay) He explained...
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Transformer - Learn and Contribute
Arpsome brain storming transformer questions just for quick revision Q1 why we use transformers? you are not suppose to tell only for step up and step...
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Transformer - Learn and Contribute
@ Praveen I got the answer.😀 We can use transformer with DC if there are changes in flux. Like we can have multiple switching operation with...
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Transformer - Learn and Contribute
Kudos to Arp!! I will answer after some time. Here is one more question paper ( Comparatively Easy though 😛) Instructions 1) No negative marking 2)...
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Transformer - Learn and Contribute
frodo.rokwhat is the difference between floating neutral and earthed neutral of transformer? in which cases and why we ask for floating neutral? Floating neutral is neutral...
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The CE Story - Talk About It Here
A wonderful Story. Bows to Biggie. You manage to survive in such a hardship. A round of Applaud for you. Seriously! The story nicely proves that...
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Transformer - Learn and Contribute
Please Praveen Do tell us. It will add to our knowledge and boggle our concepts. Will be a test.
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Transformer - Learn and Contribute
narayana murthylol freak its really impossible to give DC supply to transformer as i think you had seen a question what happens if DC is given...
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Transformer - Learn and Contribute
praveensciencetx is transformer dude... I had a remote car... It operates on 4 AA batteries. The remote is powered by a 9V Battery... Both have a...
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Transformer - Learn and Contribute
praveenscienceAnd I wanna ask my long time doubt... 😔 We all know that DC cannot be stepped... But how in my remote car, there is a...
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Transformer - Learn and Contribute
Thanks Praveen and Ishu. Feelong good after seeing your replies. Thanks a zillion. @Praveen Yes. You are right.I like to add a bit. It is 80%...
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Transformer - Learn and Contribute
Yes Ishu ! You are right. Yet I would like to add additional information. The normal method of expressing transformer impedance is as a percentage voltage...
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Transformer - Learn and Contribute
saui did not het the Q.4! I have 1 more question - what is the connection on the primary and secondary sides of a distribution transformer...
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Let's Start 'Concept Explained' Threads
@AKD I have started a thread. #-Link-Snipped-# My intentions is same to start it so that we can make a tutorial out of it. But No...
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Your comments are welcome On VoiCE
CE-Voice is very informative site. It keeps me updated on latests development in the nook and cranny of the world. I found an edge over others...
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Transformer - Learn and Contribute
Continuing with series of Questions : Q What is % impedance of transformer? Q What is the condition for parallel operation of transformer? Q Why does...
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Free Online Books
Yeah Ishu. It is a fantastic site. One of my iit friend told me about this.And from that day life is easy ( as in getting...
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Power supply in numerical relay
Is numerical relay a digital relay? What is it? what is its purpose?
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Know Your CEan - praveenscience
Fantabulous Job. You rock SP as usual. PS ! you were too great.😀
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Transformer - Learn and Contribute
Property of transformer Oil . 1) It is combustible It is interesting to know that Sometimes Mineral Oil is responsible for fire hazards at substaion. Therefore...
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Transformer - Learn and Contribute
I request you Guys. Please dont let this thread buried deep into other threads. Come on . Share your Knowledge. And If you dont have. Gain...
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Transformer - Learn and Contribute
A little Bit of Knowledge about Transformer oil. Oil as a coolant Iron and copper in transformer cause energy losses. These, of course, manifest themselves in...
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Transformer - Learn and Contribute
Please CEans! Reply to my questions.Knowing a fact is not serve any purpose until you are not clear with reasoning. Comprehending the reason of the concept...
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Transformer - Learn and Contribute
bajaMaintainance And repairing work is easy in core type but not in case of shell type... Zigzag transformers is used in plants where THD is a...
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Transformer - Learn and Contribute
@shubh Can you please explain open delta? I didnot get it. Also how delta connections helps in removing harmonics?
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Transformer - Learn and Contribute
Two different type of core construction is shown 1) Square bolted 2) Mitred
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Transformer - Learn and Contribute
This is the mitring of tranformers cores. It is done to provide it mechanical strength.
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Transformer - Learn and Contribute
In a shell-type transformer the flux-return paths of the core are external to and enclose the windings.While one large power transformer manufacturer in North America...
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Transformer - Learn and Contribute
Hello CEans! Some good answers!! 😀 Shub , you are right and kudos to NM. My Answers : Ans 1 In normal steel , Magnetic domains...
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Transformer - Learn and Contribute
CEans , Answer the above Question. You can see that these questions are asked form the above given information only. So we can infer that we...
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Transformer - Learn and Contribute
Questions asked in interview Q What is so special about CRGO? Q Which One is better : Core or shell type and why? Which one is...
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Anna Hajare Supporters - Join In!
Salient features of Jan Lokpal Bill Drafted by Justice Santosh Hegde, Prashant Bhushan and Arvind Kejriwal, this Bill has been refined on the basis of feedback...
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Water pollution
Water Water everywhere but not a single drop to drink By Samuel Colerige
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the theory of everything
Guys read Bhagvad Gita.. You will come to know the essence of everything. Dont Argue but read Bhagvad gita providing transcendental knowledge
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Anything and Everything you know about brushless excitation in Alternators
residual magnetism.
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Anything and Everything you know about brushless excitation in Alternators
@ NM yes if you mounted on shaft directly the dc generator. It will rotate at the same speed. but you can use gears to change...
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Anything and Everything you know about brushless excitation in Alternators
@sau Yes dc generator is mounted on same shaft through gears. and feeding back to the rotor circuits of alternator. But this is not used nowadays...
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metal vs hole/SCHOTTKY DIODE
Depletion region is formed because of the difference in energies of electron bound in metal and semiconductor.. recALL the bohrs model and you will get it....
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Anything and Everything you know about brushless excitation in Alternators
Brushless Excitation is very popular recently. It has been used in all alternators you see in railways. THey use diodes that is power electronics for converting...
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Future electricity load forecast
now a days artifical neural networks is gaining more footage for realizing the load forecast studies..
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E-Summit Delhi Technological University
Re: E-Summit Delhi Technical University Biggie.Its delhi Technological uinversity..
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Write Love Letter To Your Favorite Gadget
My Romeo! You are like a ray of hope in my life. You are everything to me. It is you for whom i am conservative. It...
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Wireless power transmission
Nice thought.. I did work in this area.. Read nikolas tesle.. he has done tremendius work in this field.. MIT performed breakthrough resreach in it and...
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Personalities You'd like to see in our Small Talks
Vinod dham : the father of pentium processor. Vinod (Vin) is a Founding Managing Director at IndoUS Venture Partners (IUVP), based in Santa Clara, USA. Prior...
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generating eletricity
Generating voltage at 12 volt is fine but we should know the current also.Because it the power requirement st receiving end which needs to meet with...
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DC generator equations
@mibawad Yes buddy.. i am saying the same thing.. And without knowing supply voltage as well as load no engineer of world can do it.. Kidding😎
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DC generator equations
Will dce machine is having inductance i strongly doubt.. And you need to know amout the load somehow.. you cant absolutely..
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should class attendence be mandatory?
I never attend the class for attendance but for knowledge .. so there should be no attendance mandatory for sitting in exams as in who are...
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Is China a threat to India?
I completely agree with the view that china lacks creativity. They are very big copycats.. They made a mall 3km long immitating usa and wrote after...
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Crazy Idea: Let's Create an Engineers' Pledge/Oath
I never do MBA.As it is a ditch to my Engineer degree. 😀
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The most memorable college life stories
Protest by 3968 Student against the MIGHTY Well. This is the most memorable part of my college life. I dont know whether you people find it...
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how do i make my electromagnet stronger...
Arp is rite. I forgot to mention about circulating current. and so go for batteries in series only😲
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One word a day!
bizarreness : #-Link-Snipped-# in #-Link-Snipped-# or #-Link-Snipped-#; #-Link-Snipped-#; #-Link-Snipped-#.
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Anyone done a HNC in Electrical/Electronics Engineering?
Hey put your problem here. We CEans help you out..:smile:
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how do i make my electromagnet stronger...
If you connect the batteries in parallel it will incresae current so the losses increses and hence the heat but at the same time the mmf...
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Question on power factor improvement by using phase advancer
Ac exciter is ac synchronous motor only which exclusively used for power factor correction devices. For power factor correction it is generally used in overexcited mode.
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-ve and +ve power factor?
@ aj Power factor can never be greater than 1 in any case. as it is the cosine of the angle between voltage and current. or...
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Power Amplifier
What is ADS and multisim ? Can you please elaborate? As far as i know pspice and matlab is used for simulations.
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Revolution in Electrical Engineering - Epoxy Resin Dry Type Transformers
Fantabulous!
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How to asnwer introduce yourself in interview
No NM. It was about that previous one only.. I didnot get the second chance yet. Thanks NM for your concern😎
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DC generator equations
DC machine does not have inductance as far as i know. We use the equation for generator E (induced emf) = Vt(terminal voltage) + Ia *...
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How to asnwer introduce yourself in interview
Hey ishaan thanks. But i lost the battle i could not ace through GD
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