In view of the characteristics of complex and changeable power parameters and difficulty in timely grasping real-time information, a power parameter remote monitoring system based on the power metering chip ADE7878 is proposed. The STM32F103RC is used as the main control CPU to read the power parameter information collected by ADE7878 in real time, and the wireless transmission module DTU sends the data information to the background server. Through the experimental data of elevator current monitoring, it can be clearly seen that the system has the ability to capture sudden changes. On this basis, the high-speed digital signal processor DSP inside the power metering chip is used for processing and calculation to obtain the required power parameters, which are transmitted to the server and mobile phone in real time. This system can not only effectively monitor the current, voltage, active and reactive power parameters of single-phase and three-phase four-wire circuits, but also transmit the signal remotely through GPRS, which greatly reduces the workload and is conducive to timely troubleshooting. It has a broad application prospect and can provide reference for the development and testing of related products.
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