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When it comes to power supplies, two important metrics that are often discussed are power factor and total harmonic distortion (THD). In this article, we will discuss what power factor and THD are, why they are important, and how they affect the performance of a power supply. What is Power Factor? Power factor (PF) is
Grow light market experienced rapid growth in the year 2020-2021 and decline last year, and we believe that players in this industry will see a good recovery in the year 2023 since the major stock was consumed and the end customer demand is still growing. The players who are still alive after the recession realized
More and more smart control systems are adopted in grow light system in quicker manner nowadays. One of the most common methods to link the lights to controllers is by RJ series connectors thus understanding the differences among RJ11, RJ12, RJ14, RJ25 and RJ45 is very important for the system makers. This article helps you
Nowadays, sports lighting market is not only looking for ripple free luminaires, but also the capability to realize quick flashing or blinking effects. The target is normally 20-30 fps (frames per second), then how to achieve such a high flash rate? RDM/DMX512 Control Protocol In 1998 ESTA (Entertainment Services and Technology Association) in USA started
There are some key words which are quite easy to be mixed together in the LED lighting industry like PWM dimming signal and PWM LED current, class 2 and class II, isolated power supply and isolated dimming, etc. This article will only focus on isolated dimming interface. Isolated Dimming vs. Isolated Power Supply Isolated dimming means
When designing high quality luminaires, designers always try to use a single design platform to cover as much global area as possible so as to save developing cost and get more markets. Then do you know how the global electricity mains voltages or line voltages distribute? This article helps you to understand how to select
This is a video tutor where we can see there is heavy flickering and the author teaches how to remove that on this kind of sports lighting videos, but this article talks about how to make sure that video editors will not have to do such post-camera work by removing the flickering originally. Why the
Today the hot plug USB devices are frequently used in our everyday lives, then how about providing the hot plug function to LED modularized fixtures? This is an interesting feature which the companies like Photontek and Lumatek are providing and it realizes the hot swap of the LED bars. And this function makes it possible that
When designing a luminaire, did you once have the question whether the light fixture is too heavy? Or is the driver inside the luminaire too hot? Can we put the driver outside? The answer is YES. More and more high power LED drivers are currently installed outside of the luminaire and the benefits of this
DALI is a very popular dimming and control technology in the world, but there are two many concepts and new technologies in recent years, so we write this article to help you understand the DALI dimming technology and help you to be a DALI expert, we believe it will help your work, keep reading. 1
LED lighting systems continue to soar as we can see everywhere. But do you know that there is a driving force as the key component behind the LED fixtures? They are the LED drivers. The LED power supply regulates the LED fixture’s power (voltage or current), thus precisely controlling the light output. In addition, high quality LED
LED lighting penetrates everybody’s life, becoming more intelligent and more sophisticated. When designing high quality and excellent luminaire, the design engineer must carefully understand the LED Driver since it is the heart of a light fixture. This article describes the most frequently used LED driver concepts and provides the methods to select a suitable and
