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Study on the system of high power LED lamp array energy consumption measurement, can effectively solve the problem of high precision existing in the traditional energy consumption measurement system, low energy consumption. On the basis of the lamp array measurement of consumption demand, the overall framework of the system of high power LED lamp array energy measurement design, improved lighting management, communication, random storage SRAM, Flash flash memory, TFT-LCD display, power supply circuit and drive circuit and other hardware module, optimization of energy consumption measurement function development of software, to complete the construction of the system of high power LED the lamp array energy consumption measurement. The experimental results show that the system has the advantages of high measurement accuracy and low energy consumption, and meets the requirements of energy consumption measurement of the lamp array.