Pc Power Supply Bench
While a commercial bench power supply is certainly a worthwhile investment there is a cheaper solution that you might want to consider.
Pc power supply bench. With some modifications the psu can be turned into a good bench power supply. The standard computer power supply unit psu turns the incoming 110v or 220vac alternating current into various dc direct current output voltages suitable for powering the computer s internal components and with a little bit of imagination it is possible to convert atx psu to a bench power supply. Benchtop power supplies are power supplies you can sit on your workbench and adjust its voltage and current capacity with dials and buttons on its control panel.
A simple alternative is to use a computer power supply unit psu. If you re looking for a step by step guide on how to fix power supply issues you can take a look at our comprehensive guide. By converting the cheap free atx power supplies that can be found in any discarded computer you can get a phenomenal lab power supply with huge current outputs short circuit protection and reasonably tight voltage regulation on the 5v line.
To provide high current outputs it needs heavy transformers and semiconductor devices. It s also possible that after an outage your fans power on but your pc doesn t. But it turns out a obsolete computer power supply is perfect for the job instead.
Computer power supplies cost around us 30 but lab power supplies can run you 100 or more. If you re having trouble starting your computer you should consider checking if everything s alright with your pc s power supply. Simple bench power supply that anyone can build.
Computer power supplies are switch mode power supplies smps which use high frequency switching circuit elements to provide a high quality output voltage with good energy efficiency one side effect of this technology is the minimum load requirement that each power supply has. Computer power supplies have all the voltages you ll need and some very impressive current capabilities. So have fun recycling and repurposing old computer power supplies in bench power supplies of your own unique design.
Making a power supply for use in labs is not an easy task due to the complexity of the circuit. If you want to skip right to point our pick for the best benchtop power supply in 2019 is the korad kd3005d 30v 5a lab grade supply. Pavlos constantinou on november 4th 2017 at 9 45 pm said.
A beefy power supply with all the standard output voltages which is what the pc power supply is is an excellent bench supply for hobbyists and budding engineers. Convert a computer power supply to a variable bench top lab power supply. First a bit of background on a typical atx power supply.
Adapt an old computer power supply to use on your workbench.
