A major feature of LED lighting is in energy saving. In indoor applications, the demand for intelligent dimming will become larger and larger. LED lighting has great advantages over traditional lighting in energy saving and intelligent dimming.
In the electronics industry, the best components assembled together may not be able to make the best products, research and development, manufacturing, process, component selection, test verification systems, etc. Each process is critical to the power supply manufacturer. Some power supply plants lack the choice of components and have no ability to test. Power supply manufacturers without research and development capabilities, production control links can not meet the requirements, the production process has many requirements for anti-static, temperature and humidity control, manufacturers without research and development capabilities produce one or two samples without problems, but once mass production, products There will be a variety of problems that cannot guarantee the stability of quality.
There are many manufacturers in the LED driver power market, and there are still many defects in the domestic power supply market, such as:
The thyristor dimming power supply, the voltage level is adjusted to the lowest, and the lightest load will occur when there is a light load. At present, there are not many manufacturers that domestic power supply manufacturers have handled this problem very well.
In the dimming process of 1-10V dimming power supply, there are two indicators that do not meet the national standard requirements. First, the power factor changes; second, the harmonics cannot meet the requirements. These two points are common problems in the industry. Huaquan Electric's products can solve and solve the application problems of this product.
Outdoor street lights, the most vulnerable to damage to the power supply is low temperature, ultraviolet light, outdoor climate, lightning strikes. Many outdoor power supplies are not well done in the lightning surge. Some power plants are resistant to lightning surges. When the safety test is carried out on the supporting lamps, the lightning protection pipes inside the power supply need to be disconnected for testing to meet the safety requirements.
As the application device of the luminaire, the power supply should have the lightning protection and anti-surge function, and should also meet the safety test requirements. The power supply can protect the LED light source in the lamp from lightning surge when it has the function of resisting lightning surge. The power supply needs to be equipped with lamps to carry out safety test. It is not necessary to disconnect the lightning protection tube and meet the standard requirements.
The luminaire is a whole and is not removable. As a power supply manufacturer, we must not only have a full understanding of the power supply, but also have a deep understanding of the structure, light source and working principle of the lamp. At the same time, we must clearly understand the international and national standards for lamps, light sources and electrical products. There are many power supply manufacturers on the product market, but there are not many products that can meet the safety and performance requirements. There are two reasons for this. One is excessive pursuit of low cost; the other is lack of technology. Many power supply manufacturers do not have research and development capabilities themselves. They directly use the solutions provided by IC factories. They do not know that the solutions provided by IC factories are not necessarily suitable for their own products. Manufacturing processes, raw material testing, etc. are all required by professional personnel, and IC factories are impossible. Give them crafts, incoming inspections, etc.
From an international point of view, the demand of the American market or the international brands GE, OSRAM and other brands are still doing high-power HID, they have not given up this market, because HID still has certain functions in some aspects, LED is not a substitute of.
DALI dimming power supply with high demand in Europe, 1-10V dimming power supply and thyristor dimming power supply are better in the Americas market, and the intelligent lighting has a long process and resistance, mainly because of the high price and Standard issues are not resolved, but smart lighting has been launched for a specific area. Everyone knows 1-10V dimming power supply, thyristor dimming, but how to meet the standard requirements, how to complete the system to achieve more complete functions, not every manufacturer can do. For the current linear power supply schemes on the market, if you are worried about the impact on the company, the core reason for the popularity of linear power solutions is that they are cheap, but they also have large technical defects, which can only be applied to ordinary home lighting.
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