Thermostatically controlled appliances for demand response based on an improved state queuing model

Currently, the participation of Thermostatically Controlled Appliances (TCAs) weighs more and more heavily in the demand response. This paper presents a modified state queuing model with the improvement from two aspects: the modified method takes the user comfort constraints and lifetime protection of appliances into consideration, so the frequent state switching of appliances are avoided; the load diversity of the system consisting of thermostatically controlled appliances (TCAs) can be maintained and hence the capability of demand response will not be degraded. The modified state queuing model is implemented its performance for demand response has been studied through a set of simulation experiments for different scenarios. The numerical results demonstrate the effectiveness of the proposed model.

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