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What is the characteristics of LED driver?
2021-01-11
1. High reliability
Especially like the driving power of LED street lights, it is inconvenient to maintain and costly to maintain when installed at high altitude.
30 watts led driver
2. High efficiency
LED is an energy-saving product, and the efficiency of the driving power supply should be high. It is very important for the power supply installed in the luminaire to dissipate heat. The efficiency of the power supply is high, its power consumption is small, and the heat generated in the lamp is small, which reduces the temperature rise of the lamp. It is beneficial to delay the light decay of LED.

3. High power factor
The power factor is the requirement of the power grid on the load. Generally, there are no mandatory indicators for electrical appliances below 70 watts. Although the low power factor of a single electrical appliance with low power has little impact on the power grid, the large amount of lighting used at night and too concentrated similar loads will cause serious pollution to the power grid. For 30 watts led driver to 40 watts led power supply, it is said that in the near future, there may be certain index requirements for power factor.

4. Surge protection
The ability of LEDs to resist surges is relatively poor, especially the ability to resist reverse voltage. It is also important to strengthen the protection in this area. Some LED lights are installed outdoors, such as LED street lights. Due to the start-up of the grid load and the induction of lightning strikes, various surges will intrude from the grid system, and some surges will cause damage to the LED. Therefore, the high power led power supply must have the ability to suppress the intrusion of surges and protect the LED from damage.

5. Protection function
In addition to the conventional protection functions of the power supply, it is best to add negative feedback of the LED temperature to the constant current output to prevent the LED temperature from being too high; it must meet the requirements of safety regulations and electromagnetic compatibility.

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