The present invention provides a control method for an electric
water heater considering demand-side response. First, based on the
energy balance process, a hierarchical technique is used, and four main phenomena causing temperature changes inside the electric
water heater are considered to construct an electric
water heater model. Then, a
Gaussian kernel smoother is used to preprocess the power profile, and K-means is used to classify the smoothed profiles of multiple clusters determined by the usage profile criterion. After that, a minimum cost objective function of the electric water heater is constructed. Immediately afterwards, an electric water heater
demand response model is constructed based on the constructed electric water heater model, the data selected by the
Gaussian kernel smoother, and the minimum objective function. Finally,
MATLAB is used to solve the electric water heater
demand response model. The present invention clusters users according to their power distribution, allowing part of the peak
electricity consumption period to be transferred to the off-peak period, which can help users reduce
electricity costs and help utility companies manage the
electricity demand during peak periods.