Comments on: Power inverter at not mains frequency https://www.epanorama.net/blog/2021/01/05/power-inverter-at-not-mains-frequency/ All about electronics and circuit design Sat, 04 Apr 2026 18:08:47 +0000 hourly 1 http://wordpress.org/?v=3.9.14 By: Tomi Engdahl https://www.epanorama.net/blog/2021/01/05/power-inverter-at-not-mains-frequency/comment-page-1/#comment-1850641 Sat, 05 Apr 2025 12:07:17 +0000 https://www.epanorama.net/blog/?p=187288#comment-1850641 https://www.instructables.com/How-to-Make-15V-DC-to-220V-AC-Inverter/#amp_tf=L%C3%A4hde%3A%20%251%24s&aoh=17434182901660&referrer=https%3A%2F%2Fwww.google.com&ampshare=https%3A%2F%2Fwww.instructables.com%2FHow-to-Make-15V-DC-to-220V-AC-Inverter%2F

]]> By: Tomi Engdahl https://www.epanorama.net/blog/2021/01/05/power-inverter-at-not-mains-frequency/comment-page-1/#comment-1835149 Sun, 01 Sep 2024 18:11:02 +0000 https://www.epanorama.net/blog/?p=187288#comment-1835149 https://hackaday.com/2024/08/31/the-trashiest-of-mains-inverters/

]]> By: Tomi Engdahl https://www.epanorama.net/blog/2021/01/05/power-inverter-at-not-mains-frequency/comment-page-1/#comment-1812243 Fri, 01 Sep 2023 05:36:43 +0000 https://www.epanorama.net/blog/?p=187288#comment-1812243 There are many “standard” AC power frequencies. Probably fewer these days than in the first half of the 20th century. Nowadays it’s mostly 50 Hz, 60 Hz and 400 Hz. And there is “wild” AC from some small scale wind and hydroelectric plants, which varies depending on wind or water availability and load. Also vehicle alternators can be set up to produce a standard voltage such a 120 VAC at a variable frequency depending on engine RPM.

It means that the mains transformer has a big enough core to handle 50Hz. But will work efficiently up to 1KHz. That covers most domestic AC power systems, plus aircraft AC systems. Although I believe some aviation power systems went as high as 1.5KHz.

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