Самодельные светильники 4х18Вт, ЭмПРА
Установлены старые советские еще дроссели, которые были покрашены. Причем покраска, как оказалось, сильно снизила шум ЭмПРА - раньше один из дросселей, что на фото в светильнике (тоже самодельном) 1х36Вт заметно шумел, но теперь нет. Краска видимо закрепила металлические детали. Измеренный ток ламп с этими дросселями при напряжении 220В 0,41А - Т8 18/765 (Osram) и 18/840 (Philips), 0,39...0,4А - две Т12 ЛБ20-1 (СЛЗ и СЭЛЗ), 0,36...0,37А - две Т12 ЛДЦ20 (СЛЗ).
- Раздел: Хобби
- Дата съёмки: 29.06.2012 20:00
- Дата загрузки фото: 29.06.2013 23:58
- Оригинальная фотография: 5184 x 3456 (8,4 Мб)
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