As shown in the figure below, the LED high bay lamp is online, and then the switching tube is turned on / off at high speed through PWM modulation, forming an alternating current signal to output an alternating voltage through a high-frequency transformer, and then rectifying and outputting direct current High Bay Led Lighting.
LED high bay lights online.
http://ledlightbulbsbyblv.com/2020/04/15/led-light-is-very-bright/
http://ledgrowlightsforsale.org/2020/04/15/led-high-bay-lights-show-huge-changes-in-performance/