Design of Intelligent Power Meter for Demand Response of Smart Grid

To support the demand response function for smart grid, an intelligent power meter with hybrid communication module has been proposed in this paper. The circuit module consisting of VI measurement, power calculation chip, microprocessor and PLC/ZigBee/RS-485 communication is designed to support load control to achieve load reduction after receiving the demand response command of via two way communication. The load control function can also be activated by the real time pricing information, which has been downloaded from utility control center. The embedded power management system is developed to perform the management of intelligent power meters to monitor and control electrical appliances. Based on the field test, the intelligent power meter can be used for load shedding or power due to achieve energy conservation and enhance system stability for smart grid application.

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