1 lighting system power supply scheme
The terminal lighting network voltage is 380V/220V. The terminal low-voltage power supply system generally adopts the radial connection mode. The lighting load (this article refers to the lighting distribution box) is led out by …
At 8 o'clock on the evening of August 23, 2011, the closing ceremony of the 26th Universiade was held at the Window of the World in OCT, Shenzhen, China. This closing ceremony became the only closing ceremony in the history of the Universiade outside the stadium and in the open air. The…
Zhang Shixian…
At present, how to dissipate heat is the core problem in LED product design. Let's take a look at how the heat dissipation problem in LED lighting design should be analyzed and controlled.
First…
Abstract: In order to ensure safe driving and reduce environmental pollution, the vehicle's handling stability, driving stability and environmental protection are tested. The detection system takes the industrial computer and the plug-in data acquisition control board as the core, and…
The LED lamp adopts high color rendering index LED technology, an…
The semiconductor lighting industry is facing a rare historical opportunity. The output of LED packaging and application products in China has accounted for 70% of the world's total. The development of the LED industry is taking advantage o…
First, the design features
1. Accurate primary side constant voltage/constant current controller (CV/CC) eliminates optocoupler and all secondary side CV/CC control circuits, eliminating the need for current sense resistors to achieve maximum efficie…