Схема простого симисторного регулятора мощности
Фото части страницы из книги Э. Флинд "Электронные устройства для дома" М., Энергоатомиздат 1984., стр. 48. Особенность схемы - дополнительные резисторы R1, R2 и конденсатор C2. В обычной схеме вовсе без них мощность регулируется уже с некоторой величины, только убавить её можно до минимума. Схема на фото и увеличивает, и уменьшает мощность от и до минимума, т. е. лишена этого недостатка. Однако есть и недостаток - не ограничен ток разряда конденсатора на симистор через динистор, но это легко исправить - просто добавить резистор :) .
- Раздел: Хобби
- Дата съёмки: 16.05.2014 00:32
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