I am looking at using two Cincon (CFM80S240 and CFM60S240) power supplies in parallel to achieve a higher current output. Is this possible? If so, can I just hook them up in parallel, or is there some specific way of doing this to prevent one from "fighting" the other?
Both power supplies are rated for 24V with 1% ripple and noise, +/- 1% voltage accuracy, +/- .5% line regulation, and +/- 1% load regulation.
Ideally, this would be possible since they would both be the same voltage. But, due to tolerances in manufacturing, there is no guarantee that they would be identical voltage outputs.
I wasn't sure if I should also hook up a capacitor in parallel with them to help stabilize the output voltage.
Answer
Unless the documentation specifically says this is allowable, you should not parallel supplies (and if it is allowed, be sure to follow all the related recommendations from the manufacturer).
Also, in general, it would not be allowable to parallel two different types of supplies as you have.
You may be able to use ballast resistors to allow paralleling, but they would have to be calculated, would waste power, and would degrade regulation to your load.
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