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Transformer Question

Started by Unknown February 2, 2017
On Sun, 5 Feb 2017 11:07:28 -0800 (PST), Lasse Langwadt Christensen
<langwadt@fonz.dk> wrote:

>Den s&#2013266168;ndag den 5. februar 2017 kl. 19.54.10 UTC+1 skrev John Larkin: >> On Sun, 05 Feb 2017 19:28:19 +0100, Jeroen Belleman >> <jeroen@nospam.please> wrote: >> >> >On 05/02/17 16:48, John Larkin wrote: >> > >> >> Transformers, absent thermal overload or soaking in salt water, are >> >> amazingly reliable. Using a dual-primary tranny as an isolation >> >> transformer will be no less reliable. >> >> [..] >> > >> >I wish! I'd *expect* transformers to be amazingly reliable, but in >> >my experience they aren't, even under moderately light loads. >> > >> >Jeroen Belleman >> >> I've used thousands of 120:240 power transformers, and none have >> failed in the field from defects of design or construction. We did >> have one toroid that ran into saturation, and got hot, at maximum line >> voltage and 50 Hz, at a UL test lab. The manufacturer had to modify >> the design; I think they changed the core material. >> >> There are no doubt cheap, nasty transformers around; don't buy >> transformers from chop shops. >> > >http://s240.photobucket.com/user/inspector72/media/funny%20stuff/thirdworldarcwelder3.jpg.html
Is that a CE sticker that I see on the side? -- John Larkin Highland Technology, Inc picosecond timing precision measurement jlarkin att highlandtechnology dott com http://www.highlandtechnology.com