Design of a Smart Socket Functioned with Electrical Appliance Identification

In order to solve a series of problems of the existing smart socket using intrusive load monitoring method, such as high cost and complicated manufacturing process, this paper applies non-intrusive load monitoring method to the smart socket and proposes a design of a smart socket functioned with electrical appliance identification. Based on two load identification algorithms, namely, relative Euclidean distance algorithm and vector distance algorithm, the smart socket has the ability to learn the electricity parameters of various electrical appliances in the electrical characteristics sample database. Then it can automatically identify the types of the electrical appliances plugged into the smart socket and provide users with electricity information of the electrical appliances, such as voltage, current, active power, power factor, frequency and cumulative power consumption.