Abstract
Many countries have larger land areas and scattered communities. Therefore, to electrify them, small standalone power systems are the more preferred and cost-efficient solution as compared to utility grid extensions. The main objective of a standalone power system is to supply cleaner, cheaper, and uninterrupted electricity. However, for standalone power systems, demand-side management always remains a challenging task. In this paper, a load scheduling algorithm driven by K-mean clustering and linear integer programming to schedule consumers’ appliances for the upcoming day is proposed. In addition, the basic power to run the necessary appliances is kept available in the system all the time. Furthermore, to assist the consumer in every situation, the battery storage system and the overall system size reduction are also taken into consideration. Consumer input is also used in scheduling the appliances. The proposed method is evaluated on the publicly available real-world dataset; the simulation results demonstrate that the proposed approach performs better, due to which the reliability and continuity of the system are increased.
Highlights
The electrification of remote and islanded villages from the central grid system is a challenging and expensive task
The main objective of demand-side management (DSM) is the continual availability of electricity for appliances of basic use, while other appliances are scheduled according to consumer convenience
This paper proposes a demand-side management system based on two algorithms: first, the K-mean clustering algorithm based on appliances’ weights, and second is the linear integer programming (LIP) algorithm that schedules the appliances according to the available power in the system
Summary
The electrification of remote and islanded villages from the central grid system is a challenging and expensive task. To resolve the preceding problems, the use of renewable energy sources for electricity generation has increased [7,8] since wind and solar are the two renewable energy sources that are ubiquitous in nature. These renewable energy sources are useful for the electrification of islanded areas and have many advantages, but at the same time, they have some disadvantages such as their dependency on weather conditions and unpredictable nature. The main objective of DSM is the continual availability of electricity for appliances of basic use, while other appliances are scheduled according to consumer convenience
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