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Pv & smoke alarms !!!!!
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<blockquote data-quote="ProDave" data-source="post: 265076" data-attributes="member: 6969"><p>Interesting thread. Well now I know one make of smoke alarm to avoid.</p><p></p><p>With regard to choppy or noisy sine waves, when I was developing my Solar PV dump controller, I had a good look at the current waveforms (I never looked at the voltage waveforms, just current). My Sunnyboy inverter seems to output a very clean sine wave, so I can't see any problems there.</p><p></p><p>What I did find is my washing machine has the most horrendous choppy, dirty, non sinusoidal current (consumption) waveform I have ever seen. So would that upset that particular brand of smoke alarm that doesn't like noisy waveforms?</p><p></p><p>TBH this just sounds to me like a convenient get out clause, a bit like fan manufacturers insisting on a 3A fuse, only with much more serious consequences.</p></blockquote><p></p>
[QUOTE="ProDave, post: 265076, member: 6969"] Interesting thread. Well now I know one make of smoke alarm to avoid. With regard to choppy or noisy sine waves, when I was developing my Solar PV dump controller, I had a good look at the current waveforms (I never looked at the voltage waveforms, just current). My Sunnyboy inverter seems to output a very clean sine wave, so I can't see any problems there. What I did find is my washing machine has the most horrendous choppy, dirty, non sinusoidal current (consumption) waveform I have ever seen. So would that upset that particular brand of smoke alarm that doesn't like noisy waveforms? TBH this just sounds to me like a convenient get out clause, a bit like fan manufacturers insisting on a 3A fuse, only with much more serious consequences. [/QUOTE]
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