Halfwave Controlled Rectifier with R, R-L & Freewheeling Diode in Power Electronics
ฝัง
- เผยแพร่เมื่อ 27 ส.ค. 2024
- Halfwave Controlled Rectifier with R, R-L & Freewheeling Diode is explained with the following points:
1. Halfwave Rectifier
2. Halfwave Controlled Rectifier with Resistive Load
3. Halfwave Controlled Rectifier with Resistive-Inductive Load
4. Halfwave Controlled Rectifier with Freewheeling Diode
5. Halfwave Controlled Rectifier with effect of inductive load
6. Halfwave Controlled Rectifier with waveform
7. Halfwave controlled Rectifier with average voltage calculation
8. Halfwave controlled Rectifier with RMS voltage calculation
Chapter-wise detailed Syllabus of the Power Electronics Course is as follows:
Chapter-1 Power Semiconductor devices: • Power Semiconductor De...
Power Diode, Power BJT, SCR - Silicon Controlled Rectifier, Dynamic Characteristics of SCR, Gate Characteristics of SCR, SCR Triggering methods, Turn of OFF process of SCR, SCR Protection, Thermal Protection of SCR, Two Transistor Analogy of SCR, SCR Mounting, Resistor Triggering of SCR, RC Triggering of SCR, Methods to improve di/dt ratings of SCR, UJT - Uni Junction Transistor, UJT as Relaxation Oscillator, PUT - Programmable Unijunction Transistor, PUT as Relaxation Oscillator, TRIAC in Power electronics, Modes of TRIAC, DIAC in Power electronics, Comparison of SCR, DIAC and TRIAC, SCS - Silicon Controlled Switch, MCT - MOS Controlled Thyristor, Power MOSFET, Comparison of Power BJT and Power MOSFET, IGBT - Insulated Gate Bipolar Transistor, LASCR - Light Activated SCR, GTO - Gate Turn OFF Thyristor, Series Connection of SCR, Parallel Connection of SCR.
Chapter-2 Commutation of SCR: • Commutation in Power E...
Class A Commutation, Class B Commutation, Class C Commutation, Class D Commutation, Class E Commutation, Class F Commutation.
Chapter-3 Rectifier in Power Electronics: • Rectifier in Power Ele...
Basics of Converter, Rectifier and filter, Halfwave controlled rectifier, Single phase full wave controlled rectifier, Fullwave bridge controlled rectifier, Symmetrical Semiconverter, Asymmetrical Semiconverter, Three Phase Half wave rectifier, Three phase half wave controlled rectifier.
Chapter-4 Inverter in Power Electronics: • Inverter in Power Elec...
Series Inverter, Parallel Inverter, Single Phase Half Bridge Inverter, Signal Phase Full Bridge Inverter, Three Phase Inverter 120 Degree Mode, Three Phase Inverter 180 Degree Mode, PWM Inverter.
Chapter-5 Chopper in Power Electronics: • Chopper in Power Elect...
Control Strategies of Chopper, Step Up Chopper, Step Down Chopper, Class A Chopper, Class B Chopper, Class C Chopper, Class D Chopper, Class E Chopper, Jones Chopper, Morgan Chopper.
Chapter-6 Cycloconverter in Power Electronics: • Cycloconverter in Powe...
Cycloconverter, Basics of Cycloconverter, Step Up Bridge Cycloconverter, Step Down Bridge Cycloconverter, Step Down Cycloconverter, Step Up Cycloconverter, Three Phase to Single Phase Cycloconverter.
Chapter-7 Converter in Power Electronics: • Convertor in Power Ele...
Buck Converter, Boost Converter, Buck Boost Converter, Flyback Converter with discontinuous mode, Flyback Converter with continuous mode, Isolated Forward Converter.
Chapter-8 Application of Power Electronics: • Power Electronics Appl...
On Line UPS, Off Line UPS, SMPS, Comparison of SMPS with Linear Power Supply, Dielectric Heating, Induction Heating, Battery Charger.
Engineering Funda channel is all about Engineering and Technology. Here this video is a part of Power Electronics.
#ControlledRectifier #Rectifier #PowerElectronics
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This is a good explanation, especially with your sketches along the way.
Love and happiness of students is my ultimate goal, God bless you 🙏, keep learning and keep progressing.
L
you are incredible..Lucky are those who got you as faculty in college !
Your positive comments motivates me.
Better than my college lecture. Tkx sir for making this kind of useful video 🙏🙏
Your positive comments motivates me.
Teachers like me just wants positive comment from student.
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My goal is to create largest community of engineers in entire globe. Please help me by sharing this playlist with your friends.
Really very very helpul and easy to understand...thanku so much sir for such power electronics vedio...
its incredible , i learnt a lot from this lecture series
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My all doubts cleared Sir. Thqnk
Your positive comments motivates me, Thanks and welcome 🙏
Thank you sir this helped me a lot
Love and happiness of students is my ultimate goal, God bless you 🙏, keep learning and keep progressing.
Thank you so much sir
Very good explanation and 👏 for waveforms
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Superb Content. Thank you sir!
Your Appreciations, care and share matters a lot to me. #EnginneringLove.
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This is so helpful video
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Really its very helpful for me sir
Excellent Explaination 👍
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Very very good teaching sir
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Thank you sir... understood the topic very well.
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video was clear and extremely helpful. Do you have any explanation or examples on the extinction angle?
Good concept with easy to understand
You explain it very well sir.
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Great work
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Clearly understood the waveform and explanation, only thing was how waveform of voltage in RL load goes negative form pi to beta .
It happens due to current flows due to inductive load. See the load current, it becomes zero after some time, if current is greater then holding current thyristor cannot be OFF, it gets OFF after current goes below holding current.
@@EngineeringFunda understood sir 🙂
This is for single phase or three phases? How to know???
Excellent series
Your positive comments motivates me.
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@@EngineeringFunda absolutely sir..we also need teachers like you. Thank you very much
Nice sir. I am understand very well.
Thank u very much sir
Keep sharing it with your dear ones
what will be the irms value when full wave controlled rectiier connected with freewheeling diode to r load
Great video 😊
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Thanks sir you make it very easy.
Great explanation thank you .
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Superb......
But freewheeling diode works only in forward bias, how can it work in reverse bias?
No doubt sir. thanks
Your positive comments motivates me, Thanks and welcome 🙏
Thanks you but equation is not understand bcoz of my maths problem
Thanks Sir
Sir, What is the ripple factor and efficiency of single phase half wave converter ???
Tq sir , good explanation
Sir could you please again explain why the voltage goes negative in rl load? It would be of great help
It goes Negative due to inductive load.
Inductive load does not allow anode current to go below holding current so SCR stays ON in Negative cycle and once it reaches below holding current it turns to OFF.
Thank you sir..... your lectures are outstanding....🙏🙏🙏
I want to ask that if SCR is triggered at an angle zero degree then the output waveform will similar to that of diode rectifier.........but my question is how can an SCR start conduction when its anode to cathode voltage is zero...... because for maximum value of gate current a minimum amount of positive anode to cathode voltage is required to turn on SCR.....?????
Sorry 🙏🙏🙏...... for the long comment...........plzzz reply...
It can never get turn ON at zero voltage,
It needs atleast threshold Voltage which is 0.7 for Si material. Els everything you know is correct.
Thank u
greatttttt
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Sir In reverse bais the thyristor is act as a open circuit. Now the circuit is opened how an inductor discharge through the circuit.
Sir y we r giving gate pulse wid delay
I mean instantly we can give to get pulse rite.?
It is to learn phase firing of SCR
💯💯
Your welcome 🙏
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sir but in controlled rectifier scr is used and in uncontrolled rectifier diodes are used then why are yiu using diode in this circuit pls clear my doubt
See, complete video and then you will definitely get it.
clear sir my mistake .but you should not start the video in this way
by the way apke baje se mera ped sub clear hone wala hai. thx
What about single-phase half wave controlled rectifier with RLE load 😢
Why did we written 1/2pie infront of integration
bhai RL load lga tha tb voltage negative tk Kyo gyi. Rtana band krdo. uska concept to btaya nhi
In case of inductor, it tends to lag current wrt voltage. That's why.
Ratta maar maar maar ratta maar
output current waveform with the free wheeling diode missing sir..
sir esme 3ques hai R,RL.LOAD OR FREEWHEELING DIODE AGAR ESME SE SIRF 1 QUES aya tho ye pura same answer likhna with calcuLATION
sir when free wheeling diode is connected u said that resistor is shorted and no voltage will appear at resistor but how it is possible...
In ideal case, there is no voltage drop on diodes. So, when you provide a freewheeling path via the diode, you will have 0 voltage on both terminals the load is connected to.
@@aurochs but when the inductor discharges through the FD inductor dissipates it's energy through resistor also because resistor makes the closed path for inductor and FD??
@@kamanianirudh5157 yeah I know it sounds counter intuitive, no voltage drop but still current flows. It is because, it is an electromechanical phenomenon. The inductor stores magnetic energy on its windings and releases it without having to experience no voltage drop.
In my syllabus of Power electronics there is a unit named as Phase Control Rectifier and there is a topic of single phase converter. My ques is to you dear sir is this topic is that what I'm thinking ?
See, converters can be Rectifier or Inverter.
great video
Sir please can you upload the explanation of PWM rectifier
Sir calculation samaj nhi aayi
Excellent
Sir is the waveforms for half wave rectifier with 2 SCRs and two diodes the same with a bridge rectifier consisting of one SCR and 3 diodes ? I desperately need that answer
It depends on firing angle of SCR.
How to connect gate terminal sit
Good morning sir
Good Morning
What will be vdc for RL
Here alpha is firing or controlling angle but what is cos alpha........?
Can you explain what happens during negative half cycle of input when freewheeling diode is attached a bit more clearly?
When negative half cycle, the inductor is discharging. Taking a loop at the inductor, resistor and freewheeling diode when inductor is discharging there is ample amount of current present in the loop so it acts as a short circuit. When short circuit at that loop when negative half cycle then we can eliminate the negative curve from pi to beta.
Another way to look at this is, when at negative half cycle, the current will more likely to avoid resistances and impedances in the circuit so normally there's still current present at R and L(which I explained above) but more of it will be at the forward biased of the freewheeling diode.
I hope I make you understand
@@aprilformentera1351 superb explanation 👌
thanks sir
Thnks sir
sir atleast clear your cocept ,,, what kind of rattabaji do you have, chaturramalingam. itna fast fast pdha rhe ho taki rata hua bhul na jao
How about the waveform of scr ?
Sir power electronics ki puri videos kahan hai?????link plzz
It is there on my channel and all course link is there in description of all videos.
@@EngineeringFunda thankuu sir..
nice
how to set firingangle =120 degree
Sir hindi me bhi video bna do
sir,when i used diode,is it called uncontrolled rectifier ?
Yes, you can not control FB turn ON by diodes
wanted using scr.....
It is there , you see complete video
What about the current wave of free wheeling diode
I have same daught, it shoul be syart from zero.
Your explanation about load current due to inductor is not correct. Because inductor doesn't charge upto pi duration in case of ac supply. Rather it starts de-energizing before pi instant and that depends on the value of resistance and hence the resistance drop. Only in pure inductor case, the inductor charges till pi instant.
Give correct explanation and refer some good books.
Sir please provide notes also 🙏🙏
In vrms sin2tita formula is wrong 1-cos2wt÷2
Why freewheeling diode is used
To remove charge for reverse cycle
Why the load is zero when FD Is on explain
Because load is getting short circuit.
@@EngineeringFunda so what happen when it is short circuit
Voltage across it will be zero.
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4:32 this guy voted , you should too ;)
sir please dont use sketch its sound is irritating instead use simple pen it will not make noise
This noise is satisfying tho
Class need behaviour solar cell elections
Plzz Hindi m banaye plz
Nope😂
Apni Country ki language HINDI me smjane me shrm feel krte ho kya
My hindi is very bad as I am Gujarati, and why should i feel shy as I am proud Indian with highest qualification.
English is universal language if you want to work globally have to understand English
chandrahas prajapati but apni language me hi achi trh se concept clear hota hai......but ur thought is also right .
yeh video sirf indians nahi dekhenge na bro. thoda toh sochke bola karo
Knowledge gain krne mein dikkat hai koi to bta ?? Jab tu comment mein country ko English mein likh raha hai to isko kyun bolra...Don't pose your nose unnecessarily !!
thank you sir
Love and happiness of students is my ultimate goal, God bless you 🙏, keep learning and keep progressing.
Thanks a lot sir
Thanks sir