| 摘要 |
<p>A device for starting and operating a discharge lamp, in particular a low pressure sodium vapor lamp. The device comprises two input terminals connected by means of a coil and the primary winding of an auto-transformer with the lamp connected in series with a capacitor between the ends of the transformer secondary winding. In the operating condition of the lamp the core of the transformer becomes saturated. The lamp is shunted by an electronic starter which assists, in the operating condition of the lamp, in the restart of the lamp during each half cycle of the AC electric supply.</p> |
