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Table 1: V5.1 Efficacy Requirements for Luminaires and Retrofit Kits [DLC Standard and DLC Premium Classifications] Table 2: V5.1 Standard Efficacy Requirements for Lamps [In-Luminaire and Bare-Lamp]* Table 3: Testing and Reporting Requirements for Spectral Quality (DLC Standard) Table 4: Additional Testing and Reporting Requirements for Spectral Quality (DLC Premium) Table 5: V5.1 Testing and
What are the requirements onthe control line length of the DALI system? The length of the control line should meet the voltage drop requirements. The maximum voltage drop in the DALI system is 2V, relatively, the distance between the two farthest components in the system is 300m. For the terminal control system, the length of
The LED chip and driver are installed together, usually in small spaces and poor heat dissipation conditions. How to ensure the quality and life of the LED driver must be thought about before the design, so as to avoid the rapid failure of the LED driver. It can be said that the life of the
Horticulture lighting is not new lighting application since the era of HID, but the usage and evolution of LED lighting have fundamentally updated the industry by being able to customize the PAR for different plants, and it thus becomes one of the fastest growing markets globally especially in US and Europe. This article provides the ideas
Inrush current in LED light is one area that continues to be a concern in LED lighting. However, the truth is, inrush current does occur not only in LEDs but also in the entire power supply concept. It’s common that an MCB is triggered. So now, let’s see what inrush current and MCB means, and
The high inrush current on switching LED power supplies has become an area of concern in the lighting industry. It refers to the input current of a tiny duration that flows into the LED driver which can be regarded as a capacitive device during the power on stage. The figure below shows the typical inrush
People in the LED industry often complained that the LED lamp is damaged easily, because the LED driver is broken. So the most unreliable part in the LED lamp is the LED driver. Maybe he is telling the truth. But we also need to analyze the reason why the LED driver is damaged. Recently, the
The lighting project of the LED lighting industry is influenced by the global environment as well as its industry specificity. LED driver is the top priority of LED development. For the related design of LED technology, there are already many kinds of solutions and unique design methods. Let’s take a look at it one by one. 1.
With the development of social economy and the improvement of people’s quality of life, people have put forward higher requirements for the urban environment. As a symbol of urban development, urban landscape lighting has attracted more and more attention. Landscape lighting is an important part of the public lighting system. A good public lighting system
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
