| 摘要 |
<p>The present invention relates to a dimming and power-saving apparatus for LED group lights having a power-saving function and, more particularly, to a system in which brightness of a lamp for each light is actively changed according to ambient brightness during a dimming and power-saving mode operation of group lights, such as street lights, park lights, security lights, guard lights, harbor lights, or office lights, all of which have LED lamps. Depending on conditions, a central controller can integrate the whole lights and perform dimming and power-saving operations and, if necessary, can perform dimming with different brightness and perform power-saving operations for each light according to ambient conditions.</p> |
