什么是电流控制调光
电流控制调光是一种通过控制流过照明设备的电流来调节照明设备强度的方法。这种技术可以精确控制灯光的亮度。有两种常用的标准 0-10V 調光:IES 标准 60929 附件 E 和 ESTA 标准 E1.3。
就 IES 标准 60929 附件 E 而言,它最初是为调光镇流器照明设计的,但也适用于 LED 驱动器控制电压由受控制的设备提供。然后,控制器会降低返回照明装置的电压,从而产生不同程度的光照强度。当返回电压为 10V 时,光照强度最高,而当返回电压降至 1V 以下时,光照强度最低。
另一方面,ESTA E1.3 采用电流源控制方法。在这种方法中,控制器产生或提供调光所需的低电压。 照明装置.受控设备根据接收到的电压调节照明强度,10V 时亮度最大,0V 时亮度最小。
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