I've put two of these in parallel, they didn't share load correctly, and one set of fuses blew on one of them. Nice to see the large diodes and resistors working.
Mudd Duck Sharky ware did you acquire the red and black connector for the cabinet if don't mind sharing info been look for pair for a power supply thanks James
Hey I have 10x40 Amp switching power supplies in parralel. I'm trying to get a good load sharing system. Can you point me in the right direction on any info?
Mike, you could try to connect at a minimum a .01 ohm 50 watt resistor off each PS positive rail (one resistor per PS) going to your main positive terminal. Note you will experience a .4 volt drop with .01 ohm. If you parallel two .01 ohm at each supply you will have .005 ohm resistance and a voltage drop of .2 volts (better) and 100 watts to dissipate the heat vs. 50. Just keep this in mind when you are adjusting your voltages. The way this works is each PS is isolated by the balancing resistor and they can't see themselves and when a load is applied each will share it equally. Here is a video by RF man explaining this network. www.digikey.com/product-detail/en/te-connectivity-passive-product/THS50R01J/A132078-ND/2366771 Here is an example of this resistor www.digikey.com/product-detail/en/te-connectivity-passive-product/THS50R01J/A132078-ND/2366771 73s and best of luck.
So rf man is great. I'm still working on calculating the whole ohms law thing to figure out what I'll need for resistors. I understand it needs to end up at .1 ohm but I need to figure out how many watts each resistor needs to be. I have to order an army of resistors for a monster dummy load I'm building so I wanna order them at the same time. These switchers are 30 amps at 15 volts and that's right where I'm gonna run em. Im still figuring it out but if anyone wants to chime in and help me understand how you come up with an answer I'd appreciate it
