{281} Why NTC or PTC Thermistor Damage in Inverter Welding Machine / Inverter AC Outdoor Unit
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- Опубліковано 11 чер 2022
- Why NTC or PTC Thermistor Damage in Inverter Welding Machine or Inverter AC Outdoor Unit, i discussed all the possibilities for blast / damage / failure of ntc / ptc thermistor.
Download Schemet of the Resanta inverter welding Machine SAI-230AD,Схема сварочного инвертора Ресанта САИ-230АД bit.ly/3xASWkA
main indications symptoms for this problem are:-
1, input ac circuit breaker trips off
2. ntc or ptc thermistor damages /blasts / opens / when turning on
3. welding machine or inverter ac circuit not workign
3. it fails to turn on the machine
its possible reasons are:-
1. IGBT / MOSFET damaged / short circuit
2. Low voltage power supply MOSFET damaged
3. dc capacitor / smoothing capacitor internal short circuit
4. bypass relay failure (if the contact arm is damaged internally due to sparking or arcing and it cannot close the circuit)
Basics of NTC and PTC Thermistors
Thermistors - NTC & PTC - Thermal Resistors
Understanding How NTC & PTC Inrush Current Limiters Work
its basic use is in inrush current protection circuit / surge current protection circuit. it limits the initial charging current for the bulk capacitors, smoothing dc capacitors. when the dc rails charges up to a safe voltage range i.e. the dc capacitors attain its safe dc voltage at that time a bypass relays, bypasses this ntc or ptc thermistor by closing its contacts.
ntc or ptc are from the thermistor family
what is thermistor is material, its resistance changes with change in temperature
what is PTC is positive temperature coefficient thermistor, its resistance increases with increase in temperature
what is NTC is negative temperature coefficient thermistor, its resistance decreases with increase in temperature.
these both components are used in inrush current protection / current surge protection circuit.
#electronicscreators #inverterweldingmachine #inverterac
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MashaAllah great effort ❤
Iam 56 age i like theory and practical knowledge good job and good experience your knowledge new welding machine mechanic perfectly knowledge thank you💥💥💥💥💥💯 👍
and one thing i want to say, your work is fantastic.. nobody ever told us before.
الحمدللہ
Technology was very best/complicated but ur very good explained ..
it is my pleasure
MashaAllah. Very scientific, proper, skillfully, unmistakable spreading knowledge you are. 🔥🔥. 👍
Awesome video dear friend, have a happy Sunday!
thanks a lot
Most important video for me, Sir🙏
thanks a lot
Masha Allah, hamesha ki tarha aap ne bahot easy way mein samjhya.
mera ek sawal hai,
Power supply mein mosfet bar bar kharab hone ka kya reason hota hain?
Very good and useful information sir thanks for sharing this knowledge to us
Most welcome
Weldon keep sharing
thanks a lot
Masaallah
Jazaak Allah khair
Series bulb 💡 b use kia ja sakta hai na sir surge control k liye
Great.. I learned working o welding machine from ur videos, I learned working of igbt.. Now I have question.. Sir when igbt increase the frequency of of ac current n transformer can be made small.. Then y not we use ight in home stepup transformer when transformer weight can be reduced to a large extent????
Please explain meanwell 5v 40a circuit
Brother mppt charge controllee per video bnayen
thermistor value ke bare mein batao aur uska jo number hai uske bare mein
It is important part of smps
best regards and special thanks
meanwell 5v 40a circuit diagram please explain
Sir indoor bldc fan motor ka pcb circuit daigram banaiye assalamu walekum
Excellent information. One problem face today how to find d78f9116ac microcontroller pin configuration. Please sir explain.
bit.ly/3NMvYMK
it is µPD78F9116
@@haseebelectronicsurdu yes sir if you up load this datasheet thankful to you.
@@haseebelectronicsurdu Thank you sir.this IC video up load.
اسلام علیکم ورحمتہ اللہْ
wa alaikum salaam bhai
🙏👍
best regards
حسیب بھائی آپ اپنا ای میل بھی اباؤٹ میں لکھ دیں تا کہ کسی سرکٹ کی ڈائگرام بھیجی جا سکے ۔
already added my email address
ashraf4ta4 @ gmail
Hi, request to you.
Could tech how to calculate transformer for LED light 50W driver.
IC LZC8650C
Ac : 100Vac - 300Vac
Pin : 50W
Vout : 36V dc
Iout : 1500mA
Transformers core : EE22
If you want IC data sheet i will you provide your mail id.
Thank you
Hello sir online pad training available kijiye sir 🙏🙏🙏🙏🙏🙏
bhai
mere pass free time manage karna mushkil he
اسلام و علیکم۔ اگر کمپیوٹر پاور سپلائی کی مین آئی سی خراب ہوجائے اور صرف بارہ وولٹ درکار ہوں تو بائی پاس کر کے چالو کیسے کریں۔؟ پلیز بتائیں، کوئی جگاڈ۔؟
چند دن انتظار کرنا پڑے گا بھائی
اگر خراب آئی سی پر پہلے سے ہی کوئی ویڈیو ہے تو پلیز نمبر ہی بتا دیں، میں تقریباً سو سے زائد ویڈیوز دیکھ چکا ہوں لیکن وہ ویڈیو ابھی تک ملی نہی ، شکریہ، شالہ خیر ہووی
ابھی تک بنائی نہیں۔ لیکن چند دن میں اس پر ایک تفصیلی ویڈیو بنا دوں گا
In English version pls.
Please speak in English thank you.
my this channel is for pakistani viewers only
please visit my English channel (haseeb electronics). there you can watch videos in English language and also you can watch in different translated languages
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english title and camel languaje ?? DOH !
Apka contact number dijiye bhaijaan