Paralleling Power Supply Units Made Easy ???
I am considering paralleling a couple of 20a variable adjustable psu's for 40a charging. According to what I have read on the world wide inter-web, it can be done quite easily, provided the following ...
Forum Discussion
The term redundancy always comes up when reading about paralleling psu's. There seems to be a huge concern that one out of (?) many units will get stuck carrying the majority (or all) of the load? The concern seems to be geared toward maximizing, if not equalizing, the life span of the multiple units involved.
In the case of battery charging, we expect the charge current, and therefore the overall power output demand, to diminish as the batteries reach a full charge. So as each unit drops out, it's no big deal. But this is not the case when one has many psu's sharing an important (continuous) load like a communications system, or such. Apparently, continuous equal sharing of the load becomes 'mooey importantay' for such an application.
As for the vectors and such working well together, it appears it has everything to do with their current limiting design. At least that's my understanding. And unfortunately for me, the Turnigy seems to have output current spike protection, rather than being inherently self limiting. It never occurred to me that it would function more like a basic 120v to 12v wall plug adapter/converter, than a current limited psu.
In the case of battery charging, we expect the charge current, and therefore the overall power output demand, to diminish as the batteries reach a full charge. So as each unit drops out, it's no big deal. But this is not the case when one has many psu's sharing an important (continuous) load like a communications system, or such. Apparently, continuous equal sharing of the load becomes 'mooey importantay' for such an application.
As for the vectors and such working well together, it appears it has everything to do with their current limiting design. At least that's my understanding. And unfortunately for me, the Turnigy seems to have output current spike protection, rather than being inherently self limiting. It never occurred to me that it would function more like a basic 120v to 12v wall plug adapter/converter, than a current limited psu.
