DOI:https://doi.org/10.1007/s40565-019-00574-2 |
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A retroactive approach to microgrid real-time scheduling in quest of perfect dispatch solution |
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Net amount: 578 |
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Author:
Youwei JIA1 , Xue LYU1,2, Chun Sing LAI3,4, Zhao XU2 , Minghua CHEN5
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Author Affiliation:
1 Department of Electrical and Electronic Engineering, Southern University of Science and Technology, Shenzhen, China 2 Department of Electrical Engineering, The Hong Kong Polytechnic University, Hong Kong, China 3 Department of Electrical Engineering, School of Automation, Guangdong University of Technology, Guangzhou, China 4 School of Civil Engineering, Faculty of Engineering, University of Leeds, Leeds, UK 5 The Chinese University of Hong Kong, Hong Kong, China
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Foundation: |
This work was partially supported by Hong Kong RGC Theme-based Research Scheme (No. T23-407/13N and No. T23-701/14N) and SUSTech Faculty Startup Funding (No. Y01236135 and No. Y01236235). |
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Abstract: |
As an emerging paradigm in distributed power systems, microgrids provide promising solutions to local renewable energy generation and load demand satisfaction. However, the intermittency of renewables and temporal uncertainty in electrical load create great challenges to energy scheduling, especially for small-scale microgrids. Instead of deploying stochastic models to cope with such challenges, this paper presents a retroactive approach to real-time energy scheduling, which is prediction-independent and computationally efficient. Extensive case studies were conducted using 3-year-long real-life system data, and the results of simulations show that the cost difference between the proposed retroactive approach and perfect dispatch is less than 11% on average, which suggests better performance than model predictive control with the cost difference at 30% compared to the perfect dispatch. |
Keywords: |
Microgrid, Renewables, Real-time scheduling, Perfect dispatch, Grid integration |
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Online Time:2019/11/27 |
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