{839} Why MOV Varistor is Not before Fuse
{839} Why MOV metal oxide Varistor or vdr voltage dependent resistor, voltage arrester or tvs transient voltage suppressor (either unidirectional tvs or bidirectional tvs, class x or x-rated safety capacitor or class y capacitor is Not before Fuse, why mov varistor protection is connected after fuse.
because fuse is a "short circuit current" protection and it is connected in entrance the supply voltage. due to any abnormal spikes of voltage or frequency will make internal short circuit to the mov / tvs / transil / thyrector, which will cause to produce a short circuit link across the line input voltage terminals. in result the input fuse will blow away from the unwanted voltage strikes, so the circuit will become protected. in case high frequency spikes the x-rated capacitor will provide our desired short circuit link across the line input voltage terminals. in result the input fuse will blow away from the unwanted high frequency strikes, so the circuit will become safe.
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00:00 why surge protector is after fuse
00:25 what is fuse, varistor & class x capacitor
01:17 current protection circuit working
Пікірлер: 98
❤️💕💖💘💝❣️♥️💟💌💕💞💓💖
@HaseebElectronics
Жыл бұрын
best regards and special thanks
ماشاءاللہ بہت زبردست اعلیٰ
تشکر وسپاس بزرگوار مهندس محترم و....هزاران لایک🙏🙏🙏🙏👌👌👌❤❤❤🌷🌷🌷🌷😘😘
@HaseebElectronics
Жыл бұрын
خیلی ممنون برادر عزیز
Amazing video dear friend, have a blessed Friday and weekend 😊
Thank you, finally, now I understand what Varistor does. so it short the circuit on high voltage to let the fuse burn and cut the power.
Good explanation
@HaseebElectronics
Жыл бұрын
Thanks and welcome
Excellent sir thanks
@HaseebElectronics
Жыл бұрын
Most welcome
Great work brother👍👍👍
@HaseebElectronics
Жыл бұрын
Thank you so much 😀
Great work brother 👍
@HaseebElectronics
Жыл бұрын
Thank you so much 😀
Nice information
@HaseebElectronics
Жыл бұрын
best regards
Thank you,very good explanation
@HaseebElectronics
Жыл бұрын
You are welcome!
Zabardast mashallah..
@HaseebElectronics
Жыл бұрын
best regards
good job sir
@HaseebElectronics
Жыл бұрын
it is my pleasure
Sir, can you also discuss in rush current limiting in a DC circuit and why there is a big current spike when the circuit is switched on. Thanks for you excellent work. Matt.
Thanks brother 👍
@HaseebElectronics
Жыл бұрын
Welcome 👍
Very good.
@HaseebElectronics
Жыл бұрын
Many many thanks
Informative vedeo. God bless you.
@HaseebElectronics
Жыл бұрын
it is my pleasure
like so great job best sharing jumma mubarak
Excellent thanks for sharing
@HaseebElectronics
Жыл бұрын
it is my pleasure
Thank You So Much For Good Share Friend
@HaseebElectronics
Жыл бұрын
Always welcome
Nice video
@HaseebElectronics
Жыл бұрын
best regards
عرض ارادت وادب بزرگوار محترم مهندس گرامی لطفا مبحث وموضوع ویدیوی ارسالی خدمتتون را خودتون زحمت بکشین وهرانچه از دانش وتجربیات خوبتان دارین. کاملتر توضیح وتشریح.وتحلیل بفرمایید ممنونم 🙏🙏👌👌❤❤ @All ABOUT ELECTRONICs
Wow amazing sir... I understand your teaching... Keep on English language.... 🙏🙏🙏 I would be grateful if you could teach us how to check TV or general PCB checking with multimeter and how to place probs of multimeter, how to go step by steps... Its my request sir🙏🙏
Well explained sir 👏 Thanks, and Jazak Allah Khair
@HaseebElectronics
Жыл бұрын
It's my pleasure
Assalam Walekum bhai kaise hain Mashallah bahut acche se explanation karte hain aap
@HaseebElectronics
Жыл бұрын
wa alaikum salaam dear sister i am fine and hope that you and your family is fine
excellent analysis
@HaseebElectronics
Жыл бұрын
it is my pleasure
Good job 👍👋
@HaseebElectronics
Жыл бұрын
best regards and special thanks
Nice sharing
@HaseebElectronics
Жыл бұрын
best regards
Güzel bir video olmuş. Harika bilgileri verdiğin için teşekkürler. Sağlıklı günler dilerim.
🙏Grazie 👍
@HaseebElectronics
Жыл бұрын
it is my pleasure
Hi brother namaskaar. Thank you for sharing 🙏
@HaseebElectronics
Жыл бұрын
best regards and special thanks
Nothing more to say, but 👍👌👍. Great extra knowledge!!!!
@HaseebElectronics
Жыл бұрын
best regards
Nice very informative wenreally appreciate🙏♥️
I connected a varistor accross L & N, initially it worked but when i came back after a few minutes the appliance was not working. Turns out there was 220v in both L & N which got solved after removing the vatistor. What could have happened?
Sir can u plz tell why electrolytic capacitor connected in output of SMPS got damage due to heating.
@HaseebElectronics
6 ай бұрын
please check the output rectifier, and its snubber RC. or might be capacitor value is low value than the required capacitance, which may cause increase temperature due to more ripple current
Thank you very good teacher I would like to know if you can explain how the integrated uc3854 and uc3846 work
لماذا نجد في بعض دوائرالتغذية مقاومة 1 ميجااوك و مكثفة 1 ميكروفاراد مربوطتان على التفرع مع مدخل التغذية 220 فولط ؟
@HaseebElectronics
Жыл бұрын
kzread.info/dash/bejne/n6uYsLqRdaSZlM4.html يرجى مشاهدة الفيديو في هذا الرابط. هذه دائرة قطارة جهد بدون استخدام أي محول. بعد مشاهدة هذا الفيديو ، إذا كان لديك أي سؤال ، أو إذا لم يكن إجابة سؤالك ، فيمكنك تصوير الدائرة على WhatsApp 00962-79-5324272
sir agar mcb laga hua ho toh fuse lagane ki jarurat hai ya nenhi sirf mov use kar sakte hai
@HaseebElectronics
2 ай бұрын
Fuse jaruri hota he Mov over voltage ko detect karta he aur fuse over current se circuit ko protect karta he
Sir I really appreciate your videos. They are very helpful. Can you please do a video on how to test inverter ac pcb components while still attach to the pcb. Example. Class X & Y capacitor, MOV, PTC and so on.
Good explanation. Thankyou.
@HaseebElectronics
Жыл бұрын
You are welcome
Completely logical to put the fuse first otherwise it would become dangerous and could create a fire since the only protection at this point would be the breaker in the mains panel.👍
@HaseebElectronics
Жыл бұрын
it is my pleasure
Great!
@HaseebElectronics
Жыл бұрын
most welcome
Hi Haseeb my frige invertor can,t do to run my compressor only led is flice This incident take over reptedly Can you help me how can fixe at high side power is availe
Sir also tell us about yourself from where you do engineering where are you working right know how to be a good engineer like you .
@HaseebElectronics
Жыл бұрын
thanks a lot dear i am Muhammad Ashraf, from Layyah Punjab Pakistan i am Avionics Engineering Field, in Jordan Hard Work in theoretical portion and implementation of theory in practical work. Then it makes the engineering work just as "PIECE OF CAKE"
How do select the right value of mov for either AC or DC source
Sir in my sony board fuse then x2 capitor and then vdr why
most of the power supply, the fuse is connected in series with the live, while the ntc/ptc is in series with the nuetral
Sir kindly take the things in order first of all you teach basic Circuits and their applications and then advance circuits it will be very beneficial for electrical engineering students.
@HaseebElectronics
Жыл бұрын
sure i will try my best to do
what software do you use making Schematic diagram sir?
@HaseebElectronics
Жыл бұрын
i use proteus professional 8.2 and ni multisim Altium designer electronic workbench
@gtdiyaudioandalectonics9521
Жыл бұрын
@@HaseebElectronics thank you sir,, do they have any cracked versions sir?
Sir....can u make a presentation on standard surge protection circuits...for common home appliances....thanks in advance...🙏
Sir , does an MOV have plus (phase) or minus (neutral) terminals . Can we connect either of the terminals to either phase or neutral.
@HaseebElectronics
6 ай бұрын
MOVs provide bidirectional clamping, they are not a polarized device. we can connect it in any direction
@manashpratimsaikia
6 ай бұрын
thanks sir@@HaseebElectronics
And other thing my vdr burn but fuse not off it working
Sir please SMPS me capacitor vcc voltage nahin aata hai kya kare Hindi me boliyee sir please dhanyawad Gujarat
Sir smd nonpolor capacitor per be video bane
@ammarelectronics6985
Жыл бұрын
Ke capacitor kitne uf ka he
The word “surge” is with one “r” only. Not “surrge”.
@HaseebElectronics
Ай бұрын
thanks a lot for indicating mistake it is typing mistake. i will correct it right now
@HaseebElectronics
Ай бұрын
i corrected it again special thanks for your vlauble indication
👍 ✋
@HaseebElectronics
Жыл бұрын
best regards
Sir pf Capacitor full details
hi my brother one year i read and watch every body said bulk formula but no one is true .i am angry .