Transcription of Light dimmer circuits - teihal.gr
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Light dimmer circuits Copyright by Tomi Engdahl 1997-2000. Index Some Light dimmer history How Light dimmers work ? Typical 120V AC dimmer circuit 1 kW 230V AC Light dimmer circuit Safety issues on building the circuits Tips on selecting components Radio frequency interference details Power harmonics caused by dimmers Buzzing problems with dimmers Dimming inductive loads How touch dimmers work ? Advanced dimming systems Reverse phase control Variable transformer as dimmer Other not so good ideas for dimming European EMC requirements on dimmers Disclaimer I disclaim everything.
designed with this inrush current in mind. The inrush current characteristic of incandescent (tungsten filament) lamps is somewhat similar to the surge characteristic of the typical thyristors made for
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