Rashin hasara da matsalolin SCR dimming
Koyaya, akwai jerin matsaloli tare da dimming SCR.
1. Thyristor yana lalata tsarin raƙuman ruwa na sine, don haka yana rage ƙimar ƙarfin wutar lantarki, yawanci PF bai wuce 0.5 ba, kuma ƙarami kusurwar gudanarwa, mafi muni da ƙarfin wutar lantarki (0.25 kawai a 1/4 haske).
2. Hakazalika, sinusoidal waveform wanda ba na sinusoidal yana ƙara haɓaka daidaituwa.
3. Waveforms marasa sinusoidal na iya haifar da siginar tsangwama mai tsanani (EMI) akan layi.
4. Yana da sauƙi don zama marar ƙarfi a ƙananan kaya, wanda dole ne a ƙara mai juriya mai zubar da jini. Wannan magudanar ruwa dole ne ya cinye aƙalla watts 1-2 na ƙarfi.
5. Matsalolin da ba zato ba tsammani kuma za su faru a lokacin da talakawa thyristor dimming da'ira fitarwa zuwa tuki ikon LED, wato, LC tace a cikin shigar zai sa thyristor to oscillate, wanda ba kome ga incandescent fitilar, saboda thermal. inertia na fitilar incandescent yana sa ido na mutum ba zai iya ganin wannan oscillation ba. Amma don ƙarfin tuƙi na LED, ana haifar da ƙarar sauti da flicker.
