Abstract
Real‐time imbalance between demand and supply due to either consumers' unforeseen activities or wide penetration of renewable energy resource has become one of the critical factors to our daily power quality. To address the real‐time imbalance challenge, demand response (DR) management is imperative in a smart grid, as it can effectively shape the total load from the demand side. We have presented a concept of a new DR architecture, which is characterized by controlling DR clients in each home with two‐way communication for demand management, while in a conventional way DR clients are controlled by a central server with specific signals differing from one device to another. The proposed architecture offers the advantages of high adjustment capability, less communication overhead, improved scalability, and universality. In this article, we model the proposed DR architecture in detail from the viewpoint of DR clients and server, and analyze the feasibility of it by conducting extensive simulations. The results demonstrate that the proposed DR architecture is efficient and effective in stabilizing power quality in terms of the change rate of total load and power frequency. © 2019 Institute of Electrical Engineers of Japan. Published by John Wiley & Sons, Inc.
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