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This is the talk page for discussing improvements to the Power supply unit (computer) article.
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Computing Mid‑importance

	This article is within the scope of WikiProject Computing, a collaborative effort to improve the coverage of computers, computing, and information technology on Wikipedia. If you would like to participate, please visit the project page, where you can join the discussion and see a list of open tasks.ComputingWikipedia:WikiProject ComputingTemplate:WikiProject ComputingComputing
Mid	This article has been rated as Mid-importance on the project's importance scale.
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Label

Example ATX power supply label
AC Input	100–240 Vac — 10–5A 50–60Hz
DC Output	+3.3V	+5V	+12V1	+12V2	+12V3	+12V4	−12V	+5Vsb
Max Output Current	36A (118.8 W)	30A (150 W)	18A (216 W)	18A (216 W)	18A (216 W)	18A (216 W)	0.5A (6 W)	3.0A (15 W)
Max Combined Power	155W		680W				20W
Max Combined Power							20W
Total Power	700W

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A Tear Down of PSU Transformers and Chokes

Basics of the main transformer and chokes are missing in the article. --Hans Haase (有问题吗) 21:36, 24 November 2018 (UTC)[reply]

Here[1] is a sample, somebody did it before, but smaller supplies tend to have less windings of wire. --Hans Haase (有问题吗) 20:06, 24 December 2018 (UTC)[reply]

Protections

Hello. This article completely lacks info about Power Supply Units protections, like HIPOT, OVP (Over Voltage Protection), OPP (Over Power Protection), SCP (Short Circuit Protection), etc . These are important info to look when buying PSUs, as the lack of those protections means the PSU doesn't have much quality and might damage the computer. They are, however, briefly mentioned at Power supply#Specification.--MisterSanderson (talk) 17:01, 30 November 2018 (UTC)[reply]

The truth is, in large, not special produced series, there are no dedicated components inside what care for this specifications. HIPOT is a 5kV insulation test of the transformers, before brought to the supply production. If the PSU is specified, the whole PSU is testet, before leaving the factory. OVP requires to monitor each output rail on voltage, which is generating a error signal to stop the smps-controller. SCP is not measured, the difference to a charger is to allow for a limited time not reaching the output voltage on full power, to make hard drives spin-up of peak power consuming operations of the CPU not to shutdown the psu immediately. Smps-controllers like the TL494 or KA7500 are made for one output voltage, only. But can be used for PSU by designing a circuit around it. The KA3511 supports 3.3, 5, and 12V rails. But there are still other variants on the market. --Hans Haase (有问题吗) 07:59, 3 December 2018 (UTC)[reply]

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-== Dual Power Supplies ==
+== External links modified ==
-is missing. Anybody wants to add it?
+Hello fellow Wikipedians,
+I have just modified 8 external links on [[Power supply unit (computer)]]. Please take a moment to review [[special:diff/820065509|my edit]]. If you have any questions, or need the bot to ignore the links, or the page altogether, please visit [[User:Cyberpower678/FaQs#InternetArchiveBot|this simple FaQ]] for additional information. I made the following changes:
+*Added archive https://web.archive.org/web/20080511164749/http://www.hardwaresecrets.com/article/534 to http://www.hardwaresecrets.com/article/534
+*Added archive https://web.archive.org/web/20070927210041/http://www.hardwaresecrets.com/article/397/5 to http://www.hardwaresecrets.com/article/397/5
+*Corrected formatting/usage for http://cache-www.intel.com/cd/00/00/52/37/523796_523796.pdf
+*Added archive https://web.archive.org/web/20070227053257/http://www.efficientpowersupplies.org/pages/PC_Energy_Star_Recommendation.pdf to http://www.efficientpowersupplies.org/pages/PC_Energy_Star_Recommendation.pdf
+*Added archive https://web.archive.org/web/20070514033001/http://www.hardwaresecrets.com/article/370 to http://www.hardwaresecrets.com/article/370
+*Added archive https://web.archive.org/web/20080511164749/http://www.hardwaresecrets.com/article/534 to http://www.hardwaresecrets.com/article/534
+*Added archive https://web.archive.org/web/20080512153640/http://www.hardwaresecrets.com/article/181 to http://www.hardwaresecrets.com/article/181
+*Added archive https://web.archive.org/web/20110713121329/http://www.journeysystems.com/support/calculator/ to http://www.journeysystems.com/support/calculator/
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+== A Tear Down of PSU Transformers and Chokes ==
-== Flaws? ==
+<gallery>
-Is there a reason certain power supplies don’t work correctly? [[User:Rigo 14|Rigo 14]] ([[User talk:Rigo 14|talk]]) 02:40, 6 October 2020 (UTC)
+Speicherdrossel PC-Netzteil IMG 20180621 1358.jpg
+Main Transformer SPI 8TG00048 1FC 0310 of a PC PSU IMG11706.jpg
+Main Transformer PW-0003-Y of a PC PSU IMG11710.jpg
+</gallery>
+Basics of the main transformer and chokes are missing in the article.
+--<span style="color:#00A000;">Hans Haase ([[User talk:Hans Haase|有问题吗]])</span> 21:36, 24 November 2018 (UTC)
+:Here[https://www.youtube.com/watch?v=tWG0SNYzFRI ] is a sample, somebody did it before, but smaller supplies tend to have less windings of wire. --<span style="color:#00A000;">Hans Haase ([[User talk:Hans Haase|有问题吗]])</span> 20:06, 24 December 2018 (UTC)
-== ATX12V -> ATX12VO ==
+== Protections ==
+Hello. This article completely lacks info about Power Supply Units protections, like HIPOT, OVP (Over Voltage Protection), OPP (Over Power Protection), SCP (Short Circuit Protection), etc . These are important info to look when buying PSUs, as the lack of those protections means the PSU doesn't have much quality and might damage the computer. They are, however, briefly mentioned at [[Power supply#Specification]].--[[User:MisterSanderson|MisterSanderson]] ([[User talk:MisterSanderson|talk]]) 17:01, 30 November 2018 (UTC)
-As far as I know, the standard is called ATX12VO, meaning "ATX 12 Volt Only", as that's what it is. Saying ATX12V could just be talking about 12 volts on regular output. I recommend the subheader and references to "ATX12V" be updated. [[User:SirNapkin1334|SirNapkin1334]] ([[User talk:SirNapkin1334|talk]]) 06:26, 13 April 2021 (UTC)
+:The truth is, in large, not special produced series, there are no dedicated components inside what care for this specifications. HIPOT is a 5kV insulation test of the transformers, before brought to the supply production. If the PSU is specified, the whole PSU is testet, before leaving the factory. OVP requires to monitor each output rail on voltage, which is generating a error signal to stop the smps-controller. SCP is not measured, the difference to a charger is to allow for a limited time not reaching the output voltage on full power, to make hard drives spin-up of peak power consuming operations of the CPU not to shutdown the psu immediately. Smps-controllers like the TL494 or KA7500 are made for one output voltage, only. But can be used for PSU by designing a circuit around it. The KA3511 supports 3.3, 5, and 12V rails. But there are still other variants on the market. --<span style="color:#00A000;">Hans Haase ([[User talk:Hans Haase|有问题吗]])</span> 07:59, 3 December 2018 (UTC)