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How to choose the power supply for LED display screens
2023-07-08
Firstly, we only choose power supplies with good appearance, which means that the array uniformity of the components is excellent.
Secondly, check the efficiency of the power supply. The determination of the energy-saving level of the power supply is based on efficiency. When fully loaded as a good power source, it must be above 80%. The higher the efficiency, the less active power input.
Thirdly, the PFC value is also important as an efficiency factor. The PF value of a power supply without PFC function may be lower than 0.6. Low PF values can increase reactive power and cause significant power losses.
Secondly, check the efficiency of the power supply. The determination of the energy-saving level of the power supply is based on efficiency. When fully loaded as a good power source, it must be above 80%. The higher the efficiency, the less active power input.
Thirdly, the PFC value is also important as an efficiency factor. The PF value of a power supply without PFC function may be lower than 0.6. Low PF values can increase reactive power and cause significant power losses.
Fourthly, we need to ensure that the power supply has excellent stability, which will affect the stability and working life of LED displays. It can be represented by ripples and temperature rise. A power supply with good stability must have low ripple and low temperature rise.
