{264} What is Output Accuracy, Load Regulation, Line Regulation in Power Supply

i explained What is Output Accuracy, Load Regulation, Line Regulation in Power Supply, this video is a continuation video by explaining oon my last video, How to calculate SMPS design discontinuous flyback Switch Mode Power Supply in power electronics very easy. there were some questions by from my viewers to understand
output accuracy
Load regulation
Line Regulation
i am am going to calculate SMPS circuit using UC-3843. in this circuit UC1842 UC1843 UC1844 UC1845 C3842 UC3844 UC3845 MC38C42 MC38C43 MC38C44 MC38C45 MC18C42i can be used after making a slight change in VCC voltage. i will calculate all components in the UC3843 SMPS schematic, i distributed the power supply in blocks, so that it will become easy to understand. discussed how to draw a schematic circuit diagram of switch mode power supply and i explained practically. most of the smps designs buck converter, buck boost, forward, feed forward converter, half bridge full bridge converters are same just the switching topology differs. after watching this series of videos you will be able to:-
how to #design #calculate #smps
how to understand smps design calculations for discontinuous flyback function of switch mode power supply, in this tutorial i draw the circuit diagram and placed components and made wiring of the components.
how to repair switch mode power supply when short circuit at input
how to calculate dc buss bar / rail and bulk / main dc / filter capacitor
hoe to select minimum maximum voltage for SMPS
how to design buck boost converter / half bridge / full bridge / forward / feed forward / zero volt switching ZVS / zero current switching ZCS / flyback converter
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[@meandbabajan76]

This video is a golden toturial and amazing skills This is a big academy for all First comment

[@SakshiKaHunar]

Second lyk ke sath Bhai bhut mst informative upload

[@valentincorkovic6106]

Big Electronic Master!

[@HaseebElectronics]

best regards and special thanks 💓

[@ChismosangKapitbahayChannel]

Great tutorial

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[@balakrishnareddy5765]

After watching part-1 I was eagerly waiting for next part. Thank you so much sir for your efforts to spread knowledge.

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Thank you very much for sharing such a detailed explanation of output variation. You are doing and excellent job, keep it up. Jazak Allah for sharing.

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[@windward2818]

Load Regulation, based on the supply requirements, should really be called Load Voltage Regulation because this is a voltage regulated power supply and not a current regulated power supply, which do exist but much more specialized as to the load requirements. Load Voltage Regulation and Line Voltage Regulation are static characteristics (steady state) of power supply performance. You do not suddenly change anything to make these measurements, any sudden are fast moving changes, relative to voltage regulation, would be dynamic characteristics (like maximum overshoot or something similar). What is not usually mentioned is in order to perform the Load Voltage Regulation test all of the set conditions must remain constant; like AC line voltage and frequency (once set per the test), power supply power dissipation equalization (it must be "warmed up" with steady state power dissipation), the room ambient temperature and humidity should remain constant, and the load current should remain constant (a resistor is not a constant load as it warms up its value will change, so you would need a DC Electronic Load set to CC). Once you establish the test, now you can make the calculation: Load-Voltage Regulation (%) = ((Zero Load Voltage here at 0.2A) - (Full Load Voltage at 2A))/(Full Load Voltage) x 100. You can see, as per the calculation, that the requirement of Load Voltage Regulation of +/-0.2% is very tight. The nominal line setting is 115VAC 60Hz and 230VAC 50Hz. Which brings us to Line Voltage Regulation. Well how do we make this test? If not otherwise stated, the load current would be set at 50% maximum output or 1Amp (which must remain constant). Then the line voltage is varied over its worse case range of voltage and frequency and the output voltage measured, with the calculation as: Line-Voltage Regulation (%) = ((Highest Output Voltage) - (Lowest Output Voltage)) / (Output Voltage at Nominal Line Voltage) x 100. For a Universal mains design you would have two ranges to represent, usually nominal of 115VAC (+/- 30VAC) 60Hz and 230VAC (+/- 35VAC) 50Hz. The 115VAC low line is usually sufficient for the JAPAN rating of 100VAC in some provinces.

[@laurentibeng4378]

thank you sir for the video, if you mind i would like to know how to set the maximum duty cycle before calculating T on please

[@mohammadhasanshokoohi7150]

Thank you.

[@nihatkosova8436]

Thanks for everything . iy you dont mind i have a question you, may you please explain about Discountunies ( DCM ) or CCM beetwen difference , if you use CCM what wil be happen ? i need more information about that, thanks you Teacher Haseeb.. Nihat

[@eng.qutaiba1995]

God bless you brother

[@HaseebElectronics]

يا 100 اهلا و سهلا

[@eng.qutaiba1995]

@@HaseebElectronics حياك الله أخي ⚘

[@SaliyaRuchiranga]

please make a video tutorial about 12v to 400v smps step-up circuit and transformer calculations + winding !

[@sukhdeosingh617]

Sir your every videos are excellent. Sir kindly give your note in pdf format. Thank u very much.

[@hichamtassi1753]

Hello, i am having an issue with a psu using 3845. Its frequency is 10 to 15Khz and output voltage is 1.6v. RT is 10K and CT is 1nf. Thanks for helping where to look at.

[@pradeepmaurya9321]

Thank you sir🙏

[@monimonish302]

Please put video for line filters calculation resistors and x and y capacitors

[@HaseebElectronics]

yes dear i am trying to post it soon

[@monimonish302]

How you set duty cycle 0.48 sir

[@lucasrocha4329]

Haseeb, How can i check if my transistor is switching in circuit with AC multimeter ? The voltage drop must be higher or lesser ?

[@hiralifestyle]

👍

[@parthkandoi8658]

Sir, VDC peak is 374.76V so VDC high should be 374.76V + 28V = 403V right?

[@HaseebElectronics]

take 15% ripples of 375 VDC divide ripples voltage by 2 to take average substract the resultant value from 375 volt it will become around 345 volt check video number 263

[@monimonish302]

Hi sir, Nice explanation. I have one doubt regards 18v ripple in bridge rectifier circuit I can't get clearly. Can plz elobrate that one....

[@monimonish302]

@@HaseebElectronics tqz u sir...

[@mylovelycattom7112]

🌸🌸

[@jboy4real]

Why did you select DCM smps operation

[@Xerox_man]

Output accuracy

[@AsifAhmed-so5hl]

Assalm alekum sir ye video please urdo Mai upload Karen please sir

[@wajidelectronics2088]

How are you

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[@MangosSomak]

i don't have to go to college 10Q haseeb

[@AsifAhmed-so5hl]

Schematic SG 3525 ic pe smps battery charger please Sher karen sir 12 volt 20 amp Mai please please please sir

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...... E

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Selamın aleyküm ustam Türkçe altyazı seçeneği eklermisiniz

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S.A

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Plz check ur inbox i need ur help