Server PSU Hack - Artesyn 7001138 IBM 24R2730, 12VDC 69A 830W

A guide on how to make the, Artesyn 7001138 IBM 24R2730, server power supply run outside of its server enclosure. A simple bridge between pin 13 and 15 is required.
Discussion and schematic: highvoltagefor...
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#electronicscreators #psu #hack

[@KaizerPowerElectronicsDk]

Discussion and schematic: highvoltageforum.net/index.php?topic=2406.0

[@lewisse5]

Ive been using this exact model power supply in various projects over the years. There is also a voltage sense pin that will allow you to crank the voltage up to around 13.5V before the PSU goes into protect.

[@KaizerPowerElectronicsDk]

Interesting. Is this among the pins on the back or on the control PCB?

[@lewisse5]

@@KaizerPowerElectronicsDk Based on your numbering, it would be pin 5. If I remember correctly, I used a 5K pot between this pin and GND. I wanted to make it fully variable and tried reverse engineering the feedback-loop but the little daughter board is more than 4 layers and probing was difficult so I ultimatly gave up.

[@jeu34sgu]

Yo tengo la modificacion para que de 15v y 120 amp

[@FelixDariel]

​@@jeu34sguHola, que pines hay que usar para modificar los 12v? por lo menos que de unos 13v por el tema de las caidas de voltaje. Saludos

[@hafo821]

I do use A Delta, Hewlett Packard and Super micro, its best and cheapest way to get high wattage power supplies

[@luckygen1001]

I tried your hack and it worked! There is a problem with this power supply and every computer power supply I have tested, when I put a load on those power supplies the voltage drops a lot. Why is the voltage regulation so poor?

[@KaizerPowerElectronicsDk]

Down by how much and what was unloaded voltage? Mine have been pretty steady around 12V. I am not sure about servers, but ATX is specified for +/- 5% on the voltage precision.

[@luckygen1001]

@@KaizerPowerElectronicsDk On the Artesyn unloaded voltage is 12.20 v but when I connect a 50w halogen light it drops to 11.6 v. I should put 10 50w halogen lights on that power supply and see what how far the voltage drops. The same happens when I connect a 50w halogen light to a ATX, it drops to 11.7 v.

[@chufa1974]

Great, works perfect!!!

[@elia7]

Hi, does anybody know if those three power connectors and the 24 pin connector have a name? I want to use this power supply as completely plug and play, buying the male connectors and keep the soldering minimal

[@iraldo00]

Hello beautiful video, congratulations on the content. Can you help me with the ARTESYN 7001616 font jumper to connect the 74A? Tks

[@KaizerPowerElectronicsDk]

maybe you can find inspiration here www.xsimulator.net/community/threads/the-ultimate-power-supply-thread-for-sim-builders.6793/ or www.emsley.ca/cnc/ibm-psu-mod

[@ricardivirisRz]

A question. the black VDR (15sp 016) exploded and I don't know what its replacement is. Which one would you recommend?

[@FelixDariel]

Hi, what pins should I use to modify the voltage with a potentiometer? I would like to set it to 13 volts

[@KaizerPowerElectronicsDk]

See comment from @lewisse5

[@KaizerPowerElectronicsDk]

@lewisse5
1 year ago
@KaizerPowerElectronicsDk Based on your numbering, it would be pin 5. If I remember correctly, I used a 5K pot between this pin and GND. I wanted to make it fully variable and tried reverse engineering the feedback-loop but the little daughter board is more than 4 layers and probing was difficult so I ultimatly gave up.