{272} SMPS Output voltage Fluctuation / Switch Mode Power Supply Output Not Regulated URDU
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- เผยแพร่เมื่อ 27 พ.ค. 2022
- SMPS Output voltage Fluctuation / Switch Mode Power Supply Output Not Regulated. smps output fluctuation term is used when the output voltage of switch mode power supply are not being regulated properly. not regulated amplitude of the output in any smps is called fluctuation. i explained in urdu hindi language.
it may be due to many reasons
1. main dc capacitor is internally open circuit
2. vcc capacitor of smps ic is open internally
3. vcc circuit / bias circuit / auxiliary circuit is open circuit
4. output circuit have some short circuit capacitor
5. feedback circuit is not working properly, it may be due to reference circuit, TL431 reference, or optocoupler or its related components
#electronicscreators #smps_output #fluctuation
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in this video i demonstrated How To Repair Switch Mode Power Supply SMPS When Low OutPut Voltage & Fluctuation. it is a KA7500 / TL494 based push pull topology power supply, in this power supply that output was 5 volt instead of 12 volt. the output was unregulated and fluctuating. i found both smoothing dc capacitors open circuit. i replaced the capacitors and the supply started working normally.
i explained practical How to repair switch mode power supply SMPS very easy. i shared my easiest and perfect troubleshooting techniques practical troubleshooting. smps concept and troubleshooting repairing or understanding repair switching mode power supply basics and working principle. also i discussed smps basics. after watching this video you can capable to:-
how to #repair #smps
fuse keeps blowing
how to repair switch mode power supply when short circuit at input
if SMPS is dead or no ouput
if SMPS have fluctuating output or output voltage unregulated
if smps have short circuit in output
how to eliminate short circuit
how to troubleshoot PWM SMPS #controller when there is no switching from MOSFET
if SMPS have a whistle sound or excessive noise or excessive heat
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smps, repair, troubleshooting,
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Many thanks
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Thank you so much sir
it is my pleasure
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best regards and special thanks
JUNCTION SIR JI KAMAAL KARDIYA.
Mara sir zindabad.hamesha salamat raho
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best regards
ماشاء اللہ بہت اچھے
Jazaa Allah khair
ماشاءاللّٰه
بہت شکریہ
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Thông tin rất hữu ích,cảm ơn bạn chúc bạn luôn khỏe.
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اللہ آپ کو سلامت وکھے آمین
Good work bhai
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Jazak Allah
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I have learned so many things from your video about SMPS
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Masha Allah
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Mashalah
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ماشاءالله
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bhai inverter ki kharabi ke barey me kuch video banaye. .
Aslam u alaikum sir two transistor power supply base drive circuit ke baray ma ek video banaye please..
Sir aap 65 watt mobile charger repair etc pe video bno
okay bhai i will try to arrange it
Sir multimeter konsa use karha hain app iss vedio ma
Sir inveter ac pcb ka pfc and ipm circuit ki daigram and prectkal ke shath banaye smps ke age ka circuit .
Aoa, sir hum is optocoupler ki jagha koi or number ka optocoupler use kar saktay hain.
Sir pfc circuit like uc3854 ka output per noise ko kaisay minimise kia ja skta hay. Thx
Sir optocoplr secondary me set karne par tej light ke sath blinking karata hai
I request you pls.make power and control diagram Of DC power Supply of 48 Vdc 20A from 220v A.c 1 PHASE.
Sir sapli k capster pa 320v ni ben ray kya solotion ha is ka
Sir 12v adaptor k output voltage thk he stablr b hn but jb halka sa load dalty hn tu voltage drop kr leta he kia fualt ho skta he plz btaye....
Jis instrument se PC 817 ko nikala usko kya bolte hain.kitne price hai
Sir ye kawia Khan sey kethney ka miltha hai
महोदय जी प्रणाम, inverter rechagable led bulb का ac section ic "kp1272nsp am2qp8 1k3808" का datasheet bataye please sir.
Please make videos in English
to watch my videos in English language,
please visit my English channel (Haseeb Electronics). on that channel my all videos are in English language and also translated in many languages
th-cam.com/channels/amuZ8n1PwdZpzxV32b1l_w.html
Sir inverter compressor chalta he band hota he phir chalta he ese hi karta he tu kia masla ho sakta he
Assalamu alaikum mere paas Jo hai 12 volt 15 empire ki power supply hai main use battery charger ke hawale se istemal karna chahta hun lekin vah बार-बार battery charging per lagata Hun to vah kharab ho rahi hai ud jaati hai uski resistance to koi aisa hal hai ki use 15 empier ki jo supply hai 12 volt mein main usko battery charger ke hawale se istemal karna chahun to usmein kaun sa divert ya kaun si resistance mein lagaun jo ud rahi hai Taki vah Meri battery charging ke hawale se istemal mein a sake. World 15 empier ki MP power supply hai uska Jara HAL Bata den aap mujhe
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اسلام و علیکم...5v dc سپلائی کو دو سے تین مرتبہ پلگ کرنے سے پاور آ جاتی ھے...مین capacitor پر volt stable ھیں..مگر چھوٹے کپیسٹر پر fluctuation ھے..کپیسیٹر بدلنے پر بھی سیم پربلم ھے..آپ کی رہنمائی چاھیے..
اگر smps لوڈ لگانے پر وولٹ ڈرپ کرے تو کیا مسئلہ ہو سکتا ہے ؟
English
सरजी thanks
आपका सोल्डर एन्ड डिसॉल्ड्र मशीन का नाम मोडल मिल सकेगा प्लीस
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@@NareshKumar-cu6sr thanking नरेश जी
Janab aap wah hai
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Sir g agar 12v say 0v par AA jay load dalne pe to phir keya problem ho sakti hai ..plz guide