What are the key to choosing the LED display power supply?led aluminum cabinet screen price

　　1. Simple way to distinguish the quality of the power supply

　　Although the general LED display manufacturers can clearly propose some rules for power products, but because there are too many power producers, many unknown power products are covered in the meantime, making it unable to distinguish the true and false or bad. Therefore, some professionals have obtained several proposals:

　　1. Look at the processing process. A good power manufacturer, it is also very harsh on the plane processing process, because it can ensure a large consistency of the product. An irresponsible manufacturer, the production of the production and manufacturing power, tin, and the sorting of components will never be good.

　　2. High efficiency. The high efficiency of power supply is the most important indicator value. High -efficiency power supply has a high conversion rate. It is not only the rules of green environmental protection, and it can be practically considered to be considered a cost -saving.

　　3. The output voltage of the Hengliu source power supply is distorted. Harmonic distortion is very harmful to the service life of electricity equipment equipment. The lower the harmonic distortion, the better. Fourth, the temperature rise at the time of power. The reliability and service life of the temperature -rising harm to the power supply, the lower the temperature, the better the temperature rise. In addition, it can be seen from the high efficiency level. Generally, high efficiency temperature rise will be small.

　　2. Select common problems in power products

　　Because of the characteristics of the LED display product, the current can generally change the current when broadcasting video or interface, which clearly puts forward more demanding rules for the LED power supply. In addition to the index value of the open power supply capacity, it is necessary to pay attention to many other levels when selecting a power supply product.

　　First, in order to better increase the service life of the power supply, it is proposed to choose a model with a power rated value of 30%. For example, if the system is necessary to have a 100W power supply, it is proposed to choose a model with a rated value of more than 130W power. Based on this, it can reasonably increase the service life of the power supply supply.

　　In the secondary, it is necessary to consider the working temperature of the power supply supply and whether there is an additional auxiliary cooling equipment. At the high circular temperature power supply, the amount of power supply needs to be reduced.

　　Once again, select the power supply of various functions according to the field, such as maintenance function: overvoltage maintenance, over temperature maintenance, overload maintenance, etc.; use function: data signal function, remote control function, monitoring function, series function, etc. : Correction (PFC), continuous electricity (UPS).

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