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What Does AC LED Mean?
The concept of an AC LED is an great technolo gy. Because you can eliminate the AC-to-DC converter and several other electronic components that DC LEDs require, the electronics are simplified between the AC power source and the LED. It will used more widely in the near future. W hat does AC LED...
The concept of an AC LED is an great technology. Because you can eliminate the AC-to-DC converter and several other electronic components that DC LEDs require, the electronics are simplified between the AC power source and the LED. It will used more widely in the near future.
Generally, it’s important to know that AC LED is really a misnomer: LEDs are diodes with current flowing in one direction (as in direct current). However, with a so-called AC-LED scheme, LEDs can be connected directly to the mains power supply (typically 110V/60 Hz or 230V/50 Hz) and create light without the use of a typical driver. For each half-cycle of the AC’s sinusoidal waveform, half of the LEDs emit light and half are dark; this is reversed during the next half-cycle. In this configuration, sometimes referred to as “true AC” or an antiparallel approach, a large number of LEDs in series can operate directly from line voltage.
As all we know, DC LEDs require a driver to condition the AC power infrastructure to provide a DC low-voltage regulated power source for the LED light engine. This driver includes an AC-to-DC converter, typically a large electrolytic capacitor as well as other electronic components that can number up to 20 on the driver board for a 7W MR16 lamp. However, AC (alternative current) LEDs can be connected directly to normal power supplies (usually 110V at 60Hz or 230V at 50Hz) and do not require a LED driver, then we call it driverless LED light.
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