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  1. flapdash

    Connect Power Supplies in Series -- Practical Tips?

    ScottyUK: Thanks for the suggestion on other power supply manufacturers. This is kind of a tangent to the original post (practical tips for properly wire switched mode supplies in serial), but... I had a relatively difficult time finding data sheets on Sorensen supplies (a.k.a. Xantrex...
  2. flapdash

    Connect Power Supplies in Series -- Practical Tips?

    Hello, Thanks, everybody, for your input. VE1BLL's comments make the most sense to me, and VE1BLL provides some good reasoning behind them. The post about the top supply failing and getting current back-fed into it makes sense (with the original topology that I posted). So…I’ve attached the...
  3. flapdash

    Connect Power Supplies in Series -- Practical Tips?

    I am connecting three switched power supplies in series. Each supply is 30VDC, to give 90VDC output. The current rating on each 30VDC module is 50A. I've verified that series operation is supported by the manufacturer (Astec/Emerson). The load is a motor, and I plan to install shunt...

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