190 INDUSTRIAL h 17:42 h 22:10 h 01:08 h 04:06 h 07:04 h 08:34 Autocontrol system F1 600mA F5 600mA F2 500mA F3 380mA F4 250mA midnight 00:00 h “N” night morning evening h 20:48 h 21:47 h 01:11 h 02:56 h 04:41 h 05:35 F1 F5 F2 F3 F4 Night hours 08:47 Sunset h 20:48 Sunrise h 05:35 Duration time slot 30% of Night 20% of Night 20% of Night 20% of Night 10% of Night Power exercised based on the current used 100% = 600mA 80% = 500mA 60% = 380mA 40% = 250mA 100% = 600mA Variation of the brightness based on the current 100% 84% 65% 46% 100% Night hours 08:47 Sunset h 20:48 Sunrise h 05:35 autonomous lamp post head The Autocontrol system makes it so that autonomous street lights are able to automatically adjust the luminous flow based on the selected programming depending on the technical lighting needs. The system works in combination with a timer or a twilight switch upstream of the system which determines the daily hours of operation. Generally, the operating time is divided into 5 time slots, proportional in percentage to the “N” duration of the night. This time is stored by the power supply and used to determine the hours of operation in the various time slots of the following day. Examples of operation Dimming varies according to the season of the year and latitude of the location. Below are two examples of operation in periods of the year that differ in number of night hours. With the Autocontrol system, a daily energy savings can be achieved that varies between 20% and 25%.
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