#299

Watch in Urdu / Hidi • #102 Single Board Inve...
in this video in this video i explained the working principle of single phase / 3 phase, Single Board / plate / circuit card Inverter IGBT or MOSFET, Welder Machine mma 200 / 140 ampere. - Function & Troubleshooting, i demonstrated how to troubleshoot, test and repair igbt dc inverter welder / welding machine.
this china MMA Inverter IGBT Welding Machine is single phase 220 VAC operated. it have a bridge rectifier which rectifies the main ac voltage into dc voltage, which are connected to pair of dc capacitors through a relay contacts and in parallel 110 ohms ntc resistor. this nts protects from inrush current and upon receiving relay drive signal it switches the rectified voltage to capacitors so, the ntc is bypassed to get full current to drive igbt.
then these voltage are switched into pulsed dc voltage to drive the primary of the high frequency power transformer, which drives the output schottkey rectifier diodes, which provide the output for welding
all function is controlled by inverter control board, sg3525 is used to control the pulse width for current mode circuit, low voltage power supply is used to power up the circuit
after watching this video you will learn:-
how to #repair #inverter #igbt #welding machine or welder
2. functional description of inverter igbt welder machine
3. how to troubleshoot arc welding machine
4. how to understand mma-200 circuit diagram and how it works
5. if welding machine does not work, how you will repair
6. if main circuit breaker trips off when power switch is turned on
7. over current OC LED light turns on
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[@premsingh1794]

Aapko bagwan lambhi umr de apke samajhane ka trika grate h sabhi video apki sabji video dekhi h mene

[@HaseebElectronics]

thanks bhai Ji

[@rmjnm]

There's no videos like this on KZbin so far. Very informative and detailed video on electronic welding machine sir. Thank you very much.

[@HaseebElectronics]

most welcome you can also check my urdu channel (haseeb electronics Urdu) to watch my videos in Urdu / hindi language as well

[@scubasteve6058]

I’m a welding service technician in australia(very new to it 10months) this video was amazing. Very thorough and helpful to me. Thank you very much! This has helped me heaps as I don’t get much training at my job.

[@1977np]

Very excellent video nothing like this on YT. You made it very simple and straightforward. With a lot of respect. Your videos should be archived because these are master level tutorials and study cases. Highly recommended. Thank you very much.

[@ImmanTesla-ki8jq]

I love this ckannel and its content,Sir you are actually taking my passion in electronics to the next level,God continue blessing yoy

[@Darwishkhan]

بہترین معلومات سدا خوش رہو

[@papaalphaoscar5537]

Very easy to follow. Repaired my unit frustration free due to this. Much better approach than the "symptom >> throw parts at it" approach. Thanks!

[@HaseebElectronics]

wow it is awesome. it is my pleasure that my efforts are helping

[@moseswambua9461]

Very 100% educational videos. Thank you.

[@mansirrabiu7412]

My best engineer...👍

[@kuchpanktiyajindagiki]

My brother is best engineer and a great human being. Thanks for sharing

[@docfoot316]

Always enjoy your teaching video and knowledge ,I have learnt alot myself from watching your great teaching as you explain things so well ,Many thanks to you.

[@HaseebElectronics]

You are very welcome

[@mariocontreras6622]

great this video was very help for me from Chile

[@HaseebElectronics]

It is my pleasure 💕

[@ministeriomundialliberando8403]

What else can I say more than expressing how well you explain this topic?

[@farrukhazad]

Nice share dear friend , i like , nice work and video , complete watch

[@HaseebElectronics]

Thank you so much 🙂

[@ut4663]

انا من المغرب اعجبني هدا الشرح الممتاز تحية لك

[@HaseebElectronics]

best regards and special thanks

[@rolanddejesus8685]

thank you very much sir...very clear explanation,easy to understand sir...god bless.

[@HaseebElectronics]

You are most welcome

[@Husnainkhankorea]

MashaAllah haseeb bhai u r amazing engineer easy explained Stay blessed always 🙏

[@rahulpatelgujratahmedabad3497]

Good tiching karte hai 👍👌👍👍👌👌👍

[@HaseebElectronics]

special thanks

[@kapildev7195]

Sir pull up and pull down resistor deep me video banaye please . Sir aapKe video me root video hote hai jo hame knowledge ko high level par le ji jate hai.

[@weldingmachinerepairlanka8042]

Thanks you so much sir ,,,, i like this videos❤️❤️❤️❤️❤️

[@HaseebElectronics]

Most welcome

[@godwinkipokola]

This video is very informative i learn a lot

[@chathurikamayuri7221]

Your always aknowleged properly thanks habbees

[@HaseebElectronics]

You are so welcome

[@bukanpasukannasibungkus4866]

Mashallah, salam from indonesia 🎉🎉

[@HaseebElectronics]

wa alaikum salaam dear brother

[@shanzay4316]

MashAllah amazing content and appreciate you ❤️❤️ Allah Bless you Ameen🌺💕🌺💕🌺

[@adeebakashif]

Walikum Salam! Great StaY Blessed 😇🇨🇳🇵🇰 Still watching 👍🏻

[@chimaobinestor8090]

Thanks a lot. It's very Educative.

[@kabandajamilu9036]

Asalm aliykum sir so nice

[@HaseebElectronics]

Thanks and welcome

[@EneEnes]

It was a very nice work. I watched it with pleasure. I left my gift ,

[@JaypeeBaruiz]

Vèry informative..thank you so much.

[@HaseebElectronics]

You are welcome!

[@hugoegon8148]

28:35 You have 3 hands! Amazing! 😱😂

[@HaseebElectronics]

hahahhahahhahhahhah the fourth hand was hidden as well. i am thankful for our deep observation, this was my subordinate learning the troubleshooting techniques

[@ShineSakshi]

Hope & pray for your well my respected brother... Once again a fantastic job by you... My bundle of wishes are always with you 🙏💐

[@HaseebElectronics]

thanks dear sister. thanks a lot for your valuable visit. stay blessed

[@pakistanimominusa]

Very informative video thanks for sharing 👍👌

[@saarike]

Simply excellent information!!! 🧡🧡

[@HaseebElectronics]

best regards

[@mariotorres5283]

Recien me estoy iniciando en la reparecion de estas maquinas de soldadura, y encuentro sus explicaciones muy acertadas y muy bien dirigidas, felicitaciones y muchas gracias por sus aportes

[@mazayachannelvideo]

Sangat bermanfaat, salam support dan sukses selalu

[@andresrodascassagne8911]

Gracias saludos desde South America , thanks

[@Dzatara]

Mantap Kak..... Haseeb Electronics

[@carolinediyandvlog]

big thumbs up thanks for sharing stay blessed and happy good morning have a nice day

[@wiyung57-km8je]

Very clear explanation. Thanks for teaching me sir

[@STV-th2tv]

Thanks for shearing good knowledge my brother I watch and like video please thanks

[@HaseebElectronics]

So nice of you. stay blessed

[@crazyDIYguy]

Thank you so much for taking the time to make these videos 👍🙏

[@HaseebElectronics]

My pleasure! please accept my best regards

[@joebbrorhie9946]

Wooh this is the best esplaination have ever gotten thanks man nice one and a big thumb up for you Pls am trying to fix one inverter welding machine with out no out put to spark up electrode, can you please Troy light on the possible causes that can cause output problem and how to fix it

[@HaseebElectronics]

best regards for your valuable appreciation in your case, first of all verify the dc voltage at main dc capacitor then check low voltage power supply for 5 volt 15 -15 volt then check the current setting pot then verify the IGBT drive, if no drive is there then check control card aslo check video number 286, 287, 288, 289, 291, 292 & 293 every video is to discuss each sub section and its components and their function and its test troubleshooting

[@suthatmateerattanapipat3294]

love&like...you teach schematic diagram inverter

[@HaseebElectronics]

best regards and special thanks

[@amrkadry2348]

اخوك من مصر واحبك في الله على هذه المعلومات القيمه جدا وارجو المواصله في جميع صيانه ماكينات اللحام بانواعها المختلفه الارجون والكهرباء والسي توco2.migmag Thank you Muslim man for your information.. and I thinking to manufacture in future انشا الله to make our Arabia module welding machine

[@Dr.QaisarAbbas99]

nice work dear bro thanks for sharing. stay blessed

[@WoderMomOfficial]

Very helpful video👍👍👍 like👌👍

[@HaseebElectronics]

Many many thanks dear sister

[@Mubeenarecipesandvlogs]

Lk 12 walekum Salaam bhai Very well explained 👍😊

[@thehooplabs]

Great presentation with very detailed explaination. Thanks brother for sharing, keep it up...

[@zakiausa]

Good work my brother God bless you 🙏 💯

[@user-pq5tz5pn4g]

السلام عليكم ما شاء الله بتوفيق دائما يارب أخي

[@j.ckusal1809]

Thank you so much for sharing❤️❤️

[@HaseebElectronics]

You are so welcome!

[@pakistankiawaz7867]

nice tips nice up loud thanks for sharing like

[@HaseebElectronics]

Thanks for visiting

[@ahmedmadkour]

Always amazing 😍 give you 👍 good luck my brother 👊

[@VedikWorld]

Great presentations. #vedikworld

[@vijayakumarkumar9190]

Very useful information Sir Thanks for your effort

[@Rangieh]

Thanks for sharing! I have IGBT welding machine, has display but no output... I will try to diagnose based on your tutorial..hoping to see the trouble...

[@brutal9726]

Thank you for the lesson

[@HaseebElectronics]

Always welcome

[@LAYLAOFFICIAL]

Keep going nice 100 like

[@ARA-GAMERS99]

Lk 178 wonderful sharing Ads was too long😊 Keep it up Doing good jon

[@HaseebElectronics]

Thank you so much 🙂

[@fly3209]

very well explained ! TY

[@HaseebElectronics]

You are welcome!

[@ajitha4910]

Good effort brother

[@HaseebElectronics]

So nice of you

[@muhammadishtiaq24]

Excellent information on welding machine

[@AbdulMomenZargar60]

Excellent Work My Dear Brother Liked Very Mcuh # 40+40

[@BajisKitchen]

Mashallah very nice sharing 👍👍

[@electroniquepassion]

Nice Friend 👍😉

[@jboy4real]

Kindly make a full video on practical inverter full bridge design and construction. Thank you

[@kmhovlog6185]

awesome excellent uploading wonder content appreciable big thumbs from me thanks for sharing stay blessed & happy ameen take care have a nice day ahead thanks

[@mostafashahwan9864]

Interesting videos..please go ahead

[@fossilfreeelectric2433]

Very good engineer

[@AleenasArt]

Nice sharing👌👌

[@BhajanShradha]

Nice video 👍👍

[@viratweldingmachine]

Sir kisi bhi ic accoland Google per kaun si site se search Karen please bataiye sir main aapki video dekhta hoon video dekh kar kafi kuchh sikhata hun aapki video bahut acchi video banate hain sir please iske bare mein bataen

[@desihiphop7653]

nice effort keep it up...

[@youtuberiocanto]

Super likeeeeeeeee 😉👍

[@hamzouz1229]

Thanks for the video.. you're the best ☺️☺️.. please what is the amperage of the rectifier?

[@dintotv9799]

Did u connected the bridge rectifier to direct ac current

[@HaseebElectronics]

first bridge rectifier is operated through soft starter circuit, then it is directly connected to line voltage, because it is high power circuit

[@sabasdumaguit3458]

thank you master....

[@HaseebElectronics]

You are welcome

[@YMB-j9j]

Superb informative video

[@sukantachanda7491]

great job sir

[@HaseebElectronics]

thanks a lot dear

[@modelmaker4784]

I received a single board. there was not any igbt. when i install 60T60 it doesn't do anything. when i install 60N60 its runs normally but igbt get hot within few seconds even bulb in series and without any load. do you have any idea what could be the season ? Thanks

[@tropangkalikot8925]

Very informative, you mention capacitor tester can you make a DIY capacitor tester or esr tester diagram

[@holawaleh]

I have this welding machine that doesn't weld. i noticed the IGBTs were gone. i have removed and replaced but it still not welding. on the multimeter at 200-ohms reading, the resistance is 20-ohm from gate to source even when mosfet are absent am i missing something

[@saukhilalnishad3370]

Can we use voltage drop method at high frequency to test non polar capacitors??

[@suatkaleli5075]

AS. please explain that why positive voltage to collector of the igbt and negative to the emitter? I mean we generally see the source connected to the emitter side of the transistors at the circuits. So it is supposed to be connected both positive and negative to the emitter side. but here this is different type connection.

[@تسوقمعامايمن]

بارك الله فيك

[@lewismalamamwape5756]

Very educative videos sir. Now i have this question........ What could be the cause for the igbts always failling upon switching on? (reference is made to the welding machine ZX7-250 IGBT machine make)

[@asumansebagala8142]

Swahaba thanks so much

[@HaseebElectronics]

Always welcome

[@gselectric3428]

Sir g mere pas ikk igbt machine hai uss ki low voltage 24volt ban rahe hai set ok hai jab fan ki wire lagate hai set off ho jata hai kya problem hai please help me

[@ravikumark6746]

Can you please explain how pulse forming network works..

[@HaseebElectronics]

sure a detailed series is upcoming very soon by this week

[@aslamjoy8770]

very good video

[@HaseebElectronics]

thanks a lot

[@lastham4675]

جزاك الله خيرا

[@chinukist1]

Can we varry the out put voltage of welding machine?

[@HaseebElectronics]

yes we can. in welding machine the feedback is based on output current to convert it to voltage regulation, the feedback will be converted to voltage mode feedback

[@erwinganchoon1739]

Where do we adjust the output voltage of the inverter? the oscillator adjustment is only for the output current adjustment?

[@arunkumar-bh2dp]

thank you for explanation. we have one problem in our smps. we have multiple output smps in our machine. when we check output side of smps, it was showing 15v dc but battery charging voltage is not coming. there is no short circuit in put side . i checked voltage at capacitor 313v coming. but chopper transformer output side is no voltage. i checked opto coupler voltage at 1.070 v coming may be problem in chopper transformer or how to check chopper transformer

[@HaseebElectronics]

I am little bit confused from your question, because you said multiple output transformer, you have 15 volt, you have no output, you have 1.07 volt on optocoupler input. many thanks are mixed together 1. if you find 1.07 volt on optocoupler that is the biggest proof that the smps controller and high frequency transformer is working good please send a picture to my WhatsApp [phone]

[@arunkumar-bh2dp]

Ok i will send copy tomorrow

[@cameronlamoth2343]

Really good

[@HaseebElectronics]

it is my pleasure

[@AlejandroGonzalez-uh1fr]

Excelent video! but what about if I have arround 90V-100V at output of the welding machine? That means arise of capacitance and too low impedance or any other problem? Thank you

[@HaseebElectronics]

if you have excessive voltage that is due to pwm control card. when it's duty cycle will increase, then the output voltage will increase. it might be duw to the feedback network (operational amplifier connected with output current sense shunt resistor)

[@basheernajemaldeen3711]

Which electronic part is responsible for raising and lowering the electric current during arc welding?

[@mugenyirobert971]

Hi engineer, I have a problem of not knowing how to differentiate bjts, igbts and mosfets physically from one another

[@AltayOspan]

How to measure the voltage at the IGBT gate, should it be 1.6 V? Thanks in advance.

[@HaseebElectronics]

please check video number 549 and 550