{446} How to Test MOSFET Gate Signal / How to Repair MOSFET Gate Drive Network/ MOSFET Failure Cause

in this video #solar #inverter #course series video i discussed How to Test MOSFET Gate Signal using DSO digital storage Oscilloscope / How to Repair MOSFET Gate Drive Network/ MOSFET Failure Cause
Why mosfet / igbt / transistor damage after installing new one
3000VA Solar Inverter Circuit Course Explained -
Part 1 Block Diagram • [439] 3000VA Solar Inv...
Part 2 • {442} 3000VA Solar Inv...
Part 3 • {443} 3000VA Solar Inv...

[@andredeschamps1587]

Dear Mr Haseeb: I am absolutley fascinated with this video series. I have learned so much from you dear sir!!!! I especially learned a lot about the MOSFET driver circuit. I understand that when a IGBT or MOSFET short to the gate that damage to the dirver circuit can and will result, but how you show and explain the failures that can happen and how to troubleshoot them is such an amazing valuable lesson. Again, I cannot thank you enough for all the wonderful videos you have made. Thank you so much for the time you put into these lessons. Know for sure dear teacher that you are helping a lot of people just like me!!!!! All the best to you!!!!

[@HaseebElectronics]

best regards and special thanks for your valuable feedback. please accept my best regards

[@azmatsher6543]

A wonderful vedio. The explanation is amazing. Thanks sir

[@kmhovlog6185]

big like wow mashallah great working how to repair MOSFET great vlogs thanks for sharing

[@muhammadishtiaq24]

Detail video on test of mosfit excellent thanks for sharing

[@HaseebElectronics]

best regards and special thanks

[@HarlavanisPanagiotis]

Wonderful upload dear friend!!!

[@HaseebElectronics]

Many thanks

[@feebyewok]

Terima kasih tentang penjelasan rinci yang sangat bermanfaat salam Sukses sejahtra selalu kawan

[@HaseebElectronics]

thanks a lot dear brother

[@aseeralshoq4818]

بارك الله فيك يا غالي شرح رائع جدا في توضيح مرحلة الدرايفر جعله الله في ميزان حسناتك ان شاء الله تعالى

[@HaseebElectronics]

stay blessed and Allah bless you dear brother

[@vijayakumarkumar9190]

Very useful and good information sir thanks for sharing this knowledge to us

[@HaseebElectronics]

Most welcome

[@hichamtassi1753]

Salam M Haseeb, greetings from Hicham Tassi from Morocco, always happy to see your videos. God Bless you. Salam Aleikum.

[@HaseebElectronics]

و عليكم السلام و رحمة الله و بركاته الف شكر يا اخي الكريم. الله يسلمك و يسعدك

[@BricoolinoSenyor]

الله يعطيك الصحة والعافية

[@santoshmishra5843]

Sir Namaskar, excellent information for wondering person. Thank you so much Sir.

[@HaseebElectronics]

You're most welcome

[@ShamilasCreativity]

Weldone Great job

[@mohamedantri9433]

جزاك الله خيرا أخي الكريم حسيب على معلوماتك القيمة وجعله في ميزان حسناتكم استاذنا. We take all the informitiv .its great and reach. Think you so much

[@HaseebElectronics]

Jazaak Allah khair dear brother

[@zaneenaz4962]

Very helpful. Nice way to quickly test and identify failed functional units and the parts.

[@nubedarecipe582]

Wonderful sharing 👍

[@ahmedmadkour]

Very beautiful work 😃 give you big 👍

[@gabrielmusonda107]

U are awesome teacher. I salute u

[@HaseebElectronics]

best regards

[@Elektronik.Tests-Reparaturen]

Many Thanks from Germany for This Video

[@HaseebElectronics]

it is my pleasure

[@Elektronik.Tests-Reparaturen]

@@HaseebElectronics I Write eMail to you. Are you in Libanon or Pakistan ?

[@Ayeshainthekitchen]

Assalaamualaikum dear brother. Wonderfully explained excellent tutorial... Keep sharing your valuable work. Allah bless you..

[@HaseebElectronics]

Many many thanks dear sister

[@fatimaKitchen12]

Aslam u elikum mashaAllah great work

[@HaseebElectronics]

Jazaak Allah khair dear sister

[@thehooplabs]

Great informative video shared in excellent way... Thanks for sharing.

[@mickwolf1077]

Wow, that was explained well. I'm about to test MOSFETs on all in one inverter on the battery side. There is no short at battery with meter but battery trips short protection in BMS. Solar and inverter sides work fine.

[@Dutch_off_grid_homesteading]

Heya, love this series of vlogs explaining the work abouts of these inverters

[@CCTVReport]

Love your way of working, you work like a pro, there is many noob i saw who dont know the working of pcb or the components they just replacing all parts one by one till the problem resolve 😂 First replace the mosfet if it burn replace the ic, if not work threw it in trash 😂

[@aseeralshoq4818]

Gad pless you dear friend it's agood explanation for the driver stage it's the best on the you tube thanks for your efforts

[@HaseebElectronics]

Best regards dear brother

[@JunPVlog]

Good job sir.. Watching here again sending full support

[@rajeshkumar-tv8qk]

Excellent information.

[@HaseebElectronics]

best regards and special thanks

[@MadihaKhawaja]

You explained really nice Great work Like from 🇸🇦 Stay blessed

[@fahad26888]

this video answer my question why mosfet fail, i though because i bought from Aliexpress. thank you brother always your video informative and brilliant

[@peterfrancis3865]

So there can be more components with short circuits . Thanx fore the info it is good 👍

[@HaseebElectronics]

Yes, you are right

[@radiotvrepair1059]

Thanks my friend hasseb for this vedio

[@HaseebElectronics]

Most welcome

[@mennims]

You are an absolute beast ❤️

[@lalsindu3902]

sir you are a genius. I am an indian i like you too much

[@HaseebElectronics]

Thank you so much 😀 welcome bhai you can check my second channel "haseeb electronics urdu" that is in Urdu language, it is just for my pakistani & indian brothers

[@tonign80]

fantastic video! ... I think your lessons are too important so I think you deserve to see a second camera detail !!! ... Thanks for sharing knowledge sorry for my English greetings from Spain

[@HaseebElectronics]

best regards and special thanks sure i will check for second camera to show oscilloscope separately

[@susantaatha6468]

Excellent

[@HaseebElectronics]

Thank you so much 😀

[@directsystems2225]

Thanks a lot bro, sharing knowledge, teaching knowlede is a good deed. May Allah provide you prosperity, health and wisdom.

[@HaseebElectronics]

best regards and special thanks

[@AaoSikhen]

Very informative video 🙏🏻🙏🏻

[@kahlid-ataya]

ما شاء الله الله يبارك فيك اخي العزيز

[@HaseebElectronics]

Jazaak Allah khair

[@arunkumar-bh2dp]

very clear explanation

[@HaseebElectronics]

best regards

[@Shoma49tv]

THANK YOU sir for explanation of such good knowledge

[@aayesha6227]

very informative video sir thanks for sharing❤

[@HaseebElectronics]

Most welcome

[@fitzgeraldbaptista6289]

God bless so very greatful for your time n detailed patience .... If possible can u make a video on 3phase AC Servo Drives ... appreciate

[@wechselrichterschaltungen]

super gut erklärt, danke.

[@HaseebElectronics]

it is my pleasure thanks a lot

[@gopalraovellanki9826]

Very informative and helpful 👍 Thank you very much 🙏

[@HaseebElectronics]

best regards and special thanks

[@sudheerkumar5966]

Very good sir ji

[@HaseebElectronics]

thanks a lot dear

[@leeleach4221]

Very valuable video thank you very much 5 stars Africa.

[@HaseebElectronics]

best regards and special thanks

[@fatimaKitchen12]

Excellent video

[@saicharan8696]

Super and clear explanation with details, thank you very much sir, do more such knowledgeable videos, iam from India/Hyderabad

[@HaseebElectronics]

best regards and special thanks for your valuable comment lovely thanks

[@jalal76]

You are the best thanks a lot

[@HaseebElectronics]

You're welcome!

[@msbbadsha1456]

It's was awesome video😱

[@HaseebElectronics]

it is my pleasure

[@electronicshomepolley8054]

Master of Electronics

[@kaupstudio-supportid5956]

MASHA ALLAH super informative and interesting vlog, keep it up good work, a big thumbs up from my side, stay blessed

[@HaseebElectronics]

Thank you so much 😊

[@nischalhomey]

Brother 🙏 Hwru all of you. Good explanation Lk👍

[@AbdulMomenZargar60]

Good Morning & Good Wishes Dear Brother

[@alexvanstaden6734]

Thank you so much Sir. It means so much for though who wants to learn from the best.

[@HaseebElectronics]

Always welcome

[@simonmacharia4747]

very helpful

[@HaseebElectronics]

Best regards 💕

[@Versatiledani]

Good job brother

[@ARA-HOUSE]

Lk 52 👍👍👍

[@HaseebElectronics]

thanks dear sister

[@industrialelectronicslab6272]

Excllent boro,,,

[@roomithegamer2499]

Big like 👍

[@MdIsmail-ci5uy]

❤ I love you sir ❤ I am praising by the name of allah Alhamdulillah. Sir, really, i have learned to you so much knowledge. by watching your online teaching method, feel free to do dua ''jajakallah khair'' mashallah 🇧🇩 sir I am from Bangladesh.

[@AlmradaniElectric]

Good

[@HaseebElectronics]

thanks a lot bhai

[@stephenkojovan8634]

Pls I really appreciate you..pls do video showing from the input terminal to output terminal..thanks a lot

[@engjellosmenllari3686]

thank you for your work

[@azaharali3585]

asslam o alaikum i was very happy to see your video chking with osciloscope. it is interesting so now plz make video osciloscope check circuit in urdu. thanks

[@swapniljadhav325]

Dear sir your videos gives us very good knlowdege about electronic .Plese make a video on IR2113 driver ic

[@piyushojha2469]

Sir plz make a video on yaskawa inverter repairing and madinesha inverter 🙏

[@raydan18]

Hi Haseeb. Maybe you can help. When fixing the inverter I remove 4 transistors, 2 PNP and 2NPN, but I forgot to mark or colour code it and now I don't know which way is the correct. From the other side it looks that the emiiter of each pair of transistor goes to gates of the mosfets. The orientation of the transistor is marked on the board but not which pair is NPN or PNP. Any way to find out? there are 2 C945 and 2 A733. There are 16 Mosfets in my booster stage. Thanks

[@mahdixxx1306]

Thank you very much🙏🙏🙏

[@CCTVReport]

Plz make a same video for the output stage❤

[@skfathema-ukvloggerbaganan9664]

Me first ❤️💖👍👍👍❤️🧡Asslamikusalam my dear brother 💖💜❤️wow wow beautiful great sharing dear brother 💖💚🧡❤️💖🙏👍

[@ShamilasCreativity]

Visit my channel dear friend Hope you also like it

[@ahmadnaseer5376]

Please tell me , kya 12v to 220v inverter ferrite transformer mai ferrite core mai air gap honi chahiye ya nahi..?

[@gabrielmusonda107]

Looking of the connection you have made sir to the last transistors which are npn transistors. Emitter of a npn is connect to a base of pnp transistors .my question is are we going to connect emitter to ground from each transistors( npn ) and base the output of the ic.there are two legs of a transistors which are not connect. E.g.. collectors and based of npn transistors.

[@havremovafagh2616]

very good

[@HaseebElectronics]

thanks a lot

[@rahmanocawni5618]

Hi friend how are you. If I don't have an oscilloscope. Can I use an headset to listen to the signal. Please whow aproximtly the voltage of the signal and its frequency.

[@خالدباشميل-ب9و]

thank you , brother

[@HaseebElectronics]

You are welcome

[@akramelectronic5891]

Sir g lm2903 ki jaga lm393 laga sakte hain ac dc inverter out door bcb main please rehnomai krn

[@HaseebElectronics]

yes we can use it these are the same

[@akramelectronic5891]

@@HaseebElectronics Thank you sir

[@mmmo380]

Thanks for your tutorial Is it possible to analyze the complete circuit of this inverter? Thank you

[@HaseebElectronics]

yes it is possible but it becomes very very long so that is reason i am sharing in parts part 1 - video number 439 part 2 - video number 442 part 3 - video number 443 this part 4 - video number 446 next parts are coming soon

[@mmmo380]

thanks for your response I have seen all these videos You have explained very fluently and well Without complicating the circuit thanks a lot I am waiting for your next video

[@pkefvkef4856]

My friend.I have a Grid tie inverter 600Watt power.It does not have LIMITER SENSOR.So times come and feeds back the grid.Is there any electronic small motherboard that will help to create an additional limiter sensor arrangement.of course i have the clamp sensor.Thank you.

[@BrightUdochukwu-zq6ni]

If the tl494 is bad will it burn the MOSFET also

[@unokojoseph2925]

Please what device did you use to power the the inverter?

[@HaseebElectronics]

i have power DC supply

[@unokojoseph2925]

@@HaseebElectronics can any DC power supply power it? Like 30v 5A?

[@MDRIZWAN-be2sl]

Sir, inverter driver check karne k liye oscilloscope ka full setting bataiye, please.....

[@Saadafzal0304]

Brother mppt charge controller per bhi video bna dain

[@BrightUdochukwu-zq6ni]

Pls which transistor is equivalent with hy2d pls

[@HaseebElectronics]

HY2D is SS8550 pnp transistor you can use any 40V 1.5 ampere PNP transistor or use 2SA2056 WF SOT-23 Y2, BF coded PNP transistors

[@hichamtassi1753]

Salam Aleikum, can we check the mosfet on circuit ? how to test the IC that manages the 4 mosfets in the H Bridge. My inverter produces only 140 Vdc then shuts down because of protection. I also takes more than 3A from my 12v battery to eventually produce only 68vac before shutting down. All mosfets and their gate resistance in the 12V section are good, measured on circuit. Thanks for your guidance to find the short.

[@allaoui38]

Thank you brother, but you always forget to explain how the transistor opens (by the current difference between base and emeteur) unlike the mosfet that opens up by a difference in voltage between gate and source

[@arunkumar-bh2dp]

one primary side of transformer has driven by four mosfet switch. is it each four mosfet has opposite to each other simultaneously

[@HaseebElectronics]

exactly, two mosfet from one transformer and two from second transformer will work together that means four mosfets will work together while the other four will remain off. in upcoming video we will install mosfets and will see their operation sequence using oscilloscope

[@mbelectronicsandservices9546]

Why did you change your oscilloscope from Hantek to Rigol?

[@HaseebElectronics]

Hantek is in my office. and i purchased New RIGOL for my home these days i am staying at my residence due to some health reasons

[@samiali9499]

Hi you promised to explain control in 3000inverter series we are waiting

[@Hhtfvhrcbgrejkkjhffvbhb]

Very nice, Thanks sir Its available in hindi? Please give link.

[@HaseebElectronics]

this is not available in urdu, i will make a video and will share it oon

[@gopalarao8578]

Haseeb bhai Namaskaar 🙏. How can I test the proper gate drive to for mosfets with the help of a multi meter. Please reply. Thank you 🙏

[@electronicrepairservice2020]

What is the reason for turning power on after scope probe is placed in contact first instead of turning on power and then placing probe? How much voltage was being applied?

[@HaseebElectronics]

because MOSFETs are not installed in the circuit, and if we turn ON the inverter and then we connect scope, in this connection time the MCU will disable the TL494 because the MCU will fail to find output voltage. it waits just few seconds for availability of the output. in next video i will install mosfets and then we will check all signals without turning ON/OFF it is applied 12VDC and there was no output so TL494 was operating at maximum duty cycle. when the mosfet will present the inverter will produce output then the duty cycle will decrease automatically

[@VideoServicesLI]

@@HaseebElectronics Thank you for that explanation. Looking forward to the next video. Always enjoys videos using a scope.

[@HaseebElectronics]

it is my pleasure

[@biplobrashmi5565]

Sir mera pas ak tv flyback he isqa .....primary inductence ..4.31 mh....isqa driver kese calculete kerte he kis ic ko lagana parta mujhe bata dijiye.....plz sir ak video banalo ...plz sir iska calculetion ...video

[@jboy4real]

Why two transistors PNP and npn connected in that way also why resistor and diode connected in parallel before reaching the mosfet gate resistor

[@burakyusufcan1094]

Thank you so much for this great videos, Im trying to repair kind of electronic devices like this, so can you suggest me an oscillospe, which are price-performance device, for this kind of works, Allah(c.c) bless you.

[@HaseebElectronics]

best regards dear if you can find some 100MHz, dual channal, 1GS/Sec (1 gega samples / second) that will awesome you can also 50 MHz but i will recommend 100MHz, try to find Hantek, Regol, Uni-T brands or similar if you want to ourchase online, try to explore Banggood online shopping china

[@manoranjansahoo1932]

Sir is it necessary to have an oscilloscope for checking signal

[@HaseebElectronics]

yes dear in modern electronics technology it is necessary to use oscilloscope. because it needs to view the signal waveshape, otherwise it becomes difficult to locate the fault

[@wayansudiasa]

Just concern with cap which make oscilloscope higher enough

[@HaseebElectronics]

yes dear, we will check capacitor and its voltage

[@s.m.mustafizurrahman8656]

Sir, Whether this checking method is possible by Digital meter without oscilloscope. If possible please give a vedio.it is most important me.

[@abdulmanan-rc4su]

Sir what are causes of damage of Mosfate and resistors

[@HaseebElectronics]

mosfet damages due to over heat, over voltage stress, improper gate drive signals, and sometimes there is no possible reason

[@abdulmanan-rc4su]

@@HaseebElectronics thank you

[@sardarmuhammad405]

Aoa . Sir. After rectification of faulty components. Still one side chopper fet's get heat up but when i remove one any one chopper s FETs its works correctly bt the output voltage drops to 130 volt s due to one side chopper What can i do ?

[@ahmedalissa3861]

Can I check the gate signals while the MOSFET installed? Thank you Engr. Mohammed.

[@HaseebElectronics]

yes we can test sinal with mosfet or without mosfet.