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LED panel light drive power supply main requirements 1, combination, i. e. , high power factor ( PF) , high conversion efficiency. PF = 0。 More than 9 products, has been far more than the world grid standardsLED panel light driving power supply request 1, the combination, namely: high power factor ( PF) , high conversion efficiency. PF = 0。 More than 9 products, has been far more than the world standard requirement of the power grid, thus reducing pollution to the power grid; And the product with high conversion efficiency, electric energy transformed into light energy to a greater extent, reduce the heat loss. 2, power supply voltage according to jump to distinguish: wide voltage power supply - — The so-called wide voltage means can meet most of the normal operating voltage, wide voltage range is generally: 85 - 265 vac or 100 - 265年休假; 3, narrow voltage power supply: the so-called voltage is relatively narrow, mostly narrow voltage range: 175 - 265 v ( There are 185 - 265 v) , the power of the different suppliers. 4, according to the input and output to distinguish: has the branch of isolated power supply and the power supply.