Re: [PSES] Multiple electrical power sources

2023-04-10 Thread James Pawson (U3C)
Hello Steve, Following up on Kevin’s message about IEC 62368-1, there are some requirements in Annex L (Disconnect Devices) L.8 Multiple power sources Where a unit receives power from more than one source (for example, different voltages/frequencies or as redundant power), there shall be

[PSES] “Morning with Doug” virtual experiment session

2023-04-10 Thread doug emcesd.com
Hi All, I am going to hold virtual experiment sessions next Tuesday the 18th. There will be two sessions, one at 9 am PDT (US West Coast) and 1 pm PDT. I will perform multiple live experiments on operating circuits that I have developed from my research. Some of them have the opposite result m