Lec 05 Practical Transformer I Electrical machine I Genique education

Рет қаралды 76,394

5 жыл бұрын

Subject: Electrical Machine
Faculty: Pankaj shukla sir
To connect with your favourite pankaj sir join telegram - t.me/pankajshuklasir
In this session, Pankaj shukla sir is discussing the practical transformer in which students generally do mistakes while solving the problem.
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Topic:
Transformer gate questions
Electrical machine gate questions
Synchronous machine gate questions
DC machine gate questions
Induction machine gate questions
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Пікірлер: 47

@goyaldeekshant 4 жыл бұрын

I could not find any reason to stop myself from liking this video.

@dvoorganisation459 2 жыл бұрын

❤❤❤❤ Hardworking teachers like you are needed

@ankitmakwana2648 5 жыл бұрын

Thank you sir for such an awesome lectures..

@falconkv8348 5 жыл бұрын

keep it up sir to complete it before janury.....

@premgolaniya9000 4 жыл бұрын

Thanku very much Pankaj shukla sir

@AnilKumar-ob7yx 5 жыл бұрын

Sir explanation is very good

@44_manishkumarmandal89 5 жыл бұрын

What about phasor diagram of practical loaded transformer... Sir... Please suggest🙏🙏🙏🙏

@AmitYadav-dk8jd 4 жыл бұрын

Thank you sir ...

@deepakdamodaran4444 4 жыл бұрын

Thank you sir

@darapuhemanth6644 3 жыл бұрын

Sir on loading the transformer current in the primary coil increases , incresed current compensate flux ...so I(m) must be changed no sir...?

@ravindraprasaddangwal9021 5 жыл бұрын

Sir is induced voltage in primary side should lagg aur lead by induced flux.. Please explain.... You draw phaser for transformer shows induced voltage leads by induced flux!!

@saikatmukherjee2548 Ай бұрын

kindly specify that you are using circuit theory approach not dot convention.

@mohitdhiman1536 4 жыл бұрын

E1 and E2 should be lagging behind the main flux. If not please clear sir.

@electro-magnetik528 3 жыл бұрын

considering lenz law, e1,e2 must lag flux phi ....but here its leading...please clarify sir @GeniqueEducation

@AmitKumar-pc9sw 4 жыл бұрын

Sir, it should be V1 instead of E1 & E2 in the phasor diagram... E1, E2 & V2 should lag V1 by 180 degrees( or be in phase opposition to V1). But considering clockwise as lag, your phasor is showing E1 &E2 in the wrong direction. Correct me if I'm wrong. Thank you for your easy to understand lectures, sir...

@abhikmukherjee5654 4 жыл бұрын

Just E1 & E2 will flip to the opposite direction... everything else remains the same... I1 will lag V1 by an angle of ϕ.

@priyabratapanda1216 4 жыл бұрын

Right E1and E2 should lag fye

@naiksolamanraju5972 4 жыл бұрын

yes r correct.

@_Mini_Motion 4 жыл бұрын

it is understood

@exampoint8079 5 жыл бұрын

Thank you very much sir Awesome lecture sir

@dipalimali9642 5 жыл бұрын

Sir please explain the polarity of Voltage across load

@AsifAkhtar20 3 жыл бұрын

v2 is parallel to E2, hence it will follow the same polarity naturally

@b.csinha7554 4 жыл бұрын

Why do we use j???? Like what's the need of j???

@bituphukon6954 5 жыл бұрын

Sir in 17:17 ma apne l1 ko lo kase liya. Plz explain

@sarvagyavarma 4 жыл бұрын

no load hai es liye b'coz secondary current i2 is zero so i2desh is also zero so i1=i0

@razzakahmad8731 2 жыл бұрын

Sir I think you should clarify the fact that you are using circuit theory approach instead of field theory approach while writing the faraday's law or while representing the induced emf in the primary or secondary. Because I was also confused about it. I checked Stephen J Chapman, Fitzgerald they have used circuit theory approach but Indian authors like PS bhimbra and Ashfaq Hussain they have used field theory approach. (That's why there phasor diagram differs) To the folks who are confused you should know both are the correct ways to study internal working of transformer. That's the only reason why induced emf in these lectures is leading the phy or i(t). Whereas in bhimbra the phy or i(t) is leading the induced voltages. So my only doubt is in written competitive exams which phasor diagram should be preferred?

@Desididishreya 5 жыл бұрын

Sir.. Supply current or produced flux hamesha inphase rahega na !!! Please clr my doubt

@SagarKumar-ev9wj 5 жыл бұрын

No. Magnetizing current (Im ) aur flux phase me honge.

@akshaydhingra5545 4 жыл бұрын

can anybody tell why is Rc added in parallel

@Topperscoachingcentreguraru 5 жыл бұрын

Fresh likhie sir

@IrfanMujawar 5 жыл бұрын

Sir in phasor diagrams why supply voltage is not shown? Where to show supply voltage phasor?

@vishalsharma-pk6zn 5 жыл бұрын

show it in phase with e1

@vishalsharma-pk6zn 5 жыл бұрын

if the losses are neglected

@deepakchandrashekarappa9060 5 жыл бұрын

vishal sharma correct me if my understanding is wrong, E1 is the voltage which is the induced voltage which opposes the applied voltage V1, how can it be in inphase with V1?

@umeshsingh-du3pk 4 жыл бұрын

vishal sharma how can we show supply voltage in same phase with e1. e1 is opposing the supply voltage by lenz law. So it'll be out of phase.

@umeshsingh-du3pk 4 жыл бұрын

Deepak Chandrashekarappa you're right, supply voltage will be 180° out of phase