{586} How To Measure Maximum Output Current of SMPS, Peak Output Power

{586} How To Measure Maximum Output Current of SMPS and Peak Output Power. How To Determine Maximum Output Power of SMPS, How To Measure Output Current of SMPS. when you want to know the maximum power handling capability of smps, we have to measure the output current and voltage. to measure current i connected 6.8 ohm 20 watt resistance and verified the voltage. i added one be one resistance of same value in parallel. when the output voltage started to drop and fluctuation, that is the maximum output current
i connected 14 resistors of 6.8 ohm 20 watt in parallel, so RT is 6.81/14= 0.485 ohm
total voltage= 12 volt
Total current= 12V/ 0.485 Ohm = 24.74 Amper
Total Power output = VxI = 12*24.74 = 296.90 Watt
or we can find current in other way
Voltage = 12 volt
current drawn by each resistance = 12/6.81 = 1.762 amper
14 resistance in parallel =1.762 Amper x14= 24.7 Ampere
How To Measure Maximum Output Current of SMPS,
how To Determine Maximum Output Power of SMPS,
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00:00 Introduction
00:14 how to determine peak output power of any smps power supply
00:51 how to measure output current in smps
01:08 How to use Resistive Load to Measure Current
02:07 How To Set Multimeter to Measure current
03:40 How to add load in output

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Amazing video dear friend, have a happy weekend!

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thanks a lot dear brother

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It's a good practical experience.
Thank you very much 🙏

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Sir, thank you so much for this video

[@HaseebElectronics]

most welcome
its urdu version will available on my urdu channel (haseeb electronics urdu) on 23 Apr 05:00 PM (today evening )

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[@Kualam992]

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most welcome and special thanks

[@cookwithmrsasif]

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جزاك اللهُ خيراً

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aameen
thanks a lot dear sister
Ramadan Mubarak to you and your family

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[@sohailakhtar5817]

I also want that you explain pfc base power supply. Such as PM3398B-6P-1-3P-E. I will be very thankful sir

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[@Micro_Tronix]

Sir, thank you very much.
I need your support to find a problem in smps model: aps150rf-d.
the o/p 24vdc is good and the fan voltage is 10.5v, when connect the fan socket the fan voltage drops to 3.6v but 24v still good and the indectation Led light goes down.
I'm change the o/p capacitors but still the problem the same

[@bellomuhammed4047]

You can also make a nice resistor out of pencil lead... I have been experimenting with it recently and it actually nice, but be careful it can glow hot

[@HaseebElectronics]

great
the best option is to use heating element of 1000 electric heating wire

[@dhanuskalankathilaka]

Dear sir.Please explain the function of the CFL bulb electronic circuit.

[@mdrizwanansari-fr4xw]

Masaalah ❤❤❤❤

[@mdrizwanansari-fr4xw]

Sir i know that this smps can carry 24.64 A but what is the output ampere mension on this smps

[@palanir273]

Hi, rally it good thanks you so much. please help me how to select topology and what are the critical parameters consider for converter topology selection. E.g 48vdc input, o/p 12v/10A isolation cccv driver for charging application, this we can design flyback or forward or push pull or half bridge. But how to select for topology for start up. Pls help me

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Sir could you please make video on how to calculate minimum load resistance for SMPS RT 125-D meanwell power supply.

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👍

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best regards

[@technicalcracker8926]

salam sir,i was working on laptop adapter and was increasing its voltage by removing one of the two resistor from tl431 refrence pen and put a variable resistor.when i was increaing and decreasing voltage,suddenly i got shock from variable resistor.can you explain how this happen.thanks

[@ramaswamyranganathan9171]

Sir in one of the you tube video uploaded by a blogger in which I saw he is measuring current of SMPS by connecting multimeter set in 10a and com point and then applying parallelely to the SMPS output.

[@HaseebElectronics]

that is not a good method
he is using multimeter as a load, while multimeter is not a load. it is a test instrument
because in multimeter, there is a fast blow fuse, if we connect to high current source, immidiately it will damage
it must be connected in series with any load

[@ramaswamyranganathan9171]

@@HaseebElectronics sir can you upload a video about SMPS battery charger circuit ampere testing process.🙏

[@TruckerAbdullah]

Ramadan Mubarak ❤️

[@HaseebElectronics]

السلام عليكم ورحمة ٱلله وبركاته
Ramadan Mubaarak to you and your family
stay blessed dear brother

[@JahanzaibFarhan]

10:10 watching full video good 👍 vlog ❤️👍

[@HaseebElectronics]

most welcome and special thanks

[@ramaswamyranganathan9171]

Used each 6.8e 20w?

[@sunilkarki5738]

dear haseeb sir can you help me by designing a universal load tester with voltage varying from 1 to 440 volts.

[@HaseebElectronics]

brother
i don't have practical experience in this field. i will check if i can find some solution, i will contact positively

[@ramaswamyranganathan9171]

Each 20w resistor?

[@bantidasAB9475]

Hello haseeb sir please is power supply ko explain kar dijiye ki ic tl 494 kaise work kar raha hai signal transformer kaise work kar rha hai feedback kaise work kar rha hai current sense kaise ho rha hai ye all in all ye power supply ko diagram mein explain kar dijiye

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Assalamualaikum,
Please, explain 555 ic

[@boybravo689]

Watching now

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best regards

[@hdiagram7534]

Bhai volume ka gain badake upload karo

[@HaseebElectronics]

oaky bhai
mein same video urdu language mein apney urdu channel (haseeb electronics urdu) per share karoon ga 2-3 din mein
aap
haseeb electronics urdu
deh lein wahaan meri saari videos urdu hindi brothers keliey hoti hein

[@WildAnimal1992]

Asalam alakum sir mere pass ek 6 volt battery Ka smps charger ata ha .us ke output nhi aa rha ha. Koi bhi component short nhi ha. Thori der bad power transistor heat hota ha.halanki transistor bhi thik ha .kia problem ho skta ha.please zaror bataye..

[@HaseebElectronics]

please check its output circuit
check start-up resistor for initial starting
feedback circuit agr cut na karwaaey to transistor heat up hota he

[@WildAnimal1992]

Sir feedback keliye optocoupler nhi laga hwa ha.startup resistor ki waja se bhi transistor heat hota Kia?

[@HaseebElectronics]

if there is some PF capacitor with transistor, check it
or
may be transformer

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[@fekrykhalifa5200]

يا اخى لانرى التوصيلات

[@nassimkoubeissi5814]

if voltage drops 10% below normal
ratings then it's max power can deliver .

[@HaseebElectronics]

no, when the power supply looses it's load regulation that is most of the time 0.5 percent of the nominal voltage
that peak point is considered as Pout Maximum
at peak voltage and peak current we have to calculate

[@nassimkoubeissi5814]

@@HaseebElectronics when the power supply output loses regulation it means the feed back circuit reached its maximum adjustable point that puts the power switching device on primary side at critical operating point
if it's a low quality design it won't last long until it fails
(without input DC pfc circuit at primary side, no thermal shutdown circuit , no over current protection shutdown circuit.
when output start losing 10% of it's output nominal voltage this point is its maximum safe power to draw.

[@HaseebElectronics]

yes in that scenario it is to be calculated for safe range for an immature design

[@AbdulMomenZargar60]

Subha Bakher ho

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Good evening dear brother

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Sir urdu me ap bohm hi km vdo bna rhy han

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bhai urdu mein bhi saari videos aa rahi hein. try karta hoon k urdu videos ko full detail mein share karoon

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ماشاءاللہ،
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[@bantidasAB9475]

Hello haseeb sir please is power supply ko explain kar dijiye ki ic tl 494 kaise work kar raha hai signal transformer kaise work kar rha hai feedback kaise work kar rha hai current sense kaise ho rha hai ye all in all ye power supply ko diagram mein explain kar dijiye

[@HaseebElectronics]

Ji Bhai mein is ko explain karoon ga bahut jald