Can you parallel 2 MEAN WELL LED drivers?

This is a technical question that we are asked frequently: Can I parallel the output of 2 MEAN WELL HLG series LED drivers?

Unfortunately, this is not possible. In order to parallel two MEAN WELL LED drivers asboth would need to have a ‘current sharing’ function, which the MEAN WELL LED drivers do not have.

Image

There is a general belief that you can connect any two power supplies in parallel if you use two diodes to isolate the supplies.

This is false.

Using diodes to isolate the supplies actually gives them redundancy. In other words, if one supply fails, the other one will take over the load. It will not allow them to share the load.

Please do not hesitate to contact Power Supplies Australia if you have any questions about this topic.