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Energies 2017, 10(7), 965; doi:10.3390/en10070965

Two-Stage Coordinated Operational Strategy for Distributed Energy Resources Considering Wind Power Curtailment Penalty Cost

1
Commonwealth Scientific and Industrial Research Organization (CSIRO), Mayfield West, Newcastle, NSW 2304, Australia
2
School of Science and Engineering, Chinese University of Hong Kong (Shenzhen), Shenzhen 518172, China
3
Centre for Intelligent Electricity Networks, University of Newcastle, Newcastle, NSW 2308, Australia
4
Electric Power Research Institute, CSG, Guangzhou 510080, China
*
Author to whom correspondence should be addressed.
Academic Editor: Frede Blaabjerg
Received: 4 May 2017 / Revised: 26 June 2017 / Accepted: 7 July 2017 / Published: 10 July 2017
(This article belongs to the Section Electrical Power and Energy System)
View Full-Text   |   Download PDF [1763 KB, uploaded 17 July 2017]   |  

Abstract

The concept of virtual power plant (VPP) has been proposed to facilitate the integration of distributed renewable energy. VPP behaves similar to a single entity that aggregates a collection of distributed energy resources (DERs) such as distributed generators, storage devices, flexible loads, etc., so that the aggregated power outputs can be flexibly dispatched and traded in electricity markets. This paper presents an optimal scheduling model for VPP participating in day-ahead (DA) and real-time (RT) markets. In the DA market, VPP aims to maximize the expected profit and reduce the risk in relation to uncertainties. The risk is measured by a risk factor based on the mean-variance Markowitz theory. In the RT market, VPP aims to minimize the imbalance cost and wind power curtailment by adjusting the scheduling of DERs in its portfolio. In case studies, the benefits (e.g., surplus profit and reduced wind power curtailment) of aggregated VPP operation are assessed. Moreover, we have investigated how these benefits are affected by different risk-aversion levels and uncertainty levels. According to the simulation results, the aggregated VPP scheduling approach can effectively help the integration of wind power, mitigate the impact of uncertainties, and reduce the cost of risk-aversion. View Full-Text
Keywords: operational planning; wind power curtailment; distributed energy resources; risk management operational planning; wind power curtailment; distributed energy resources; risk management
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Qiu, J.; Zhao, J.; Wang, D.; Zheng, Y. Two-Stage Coordinated Operational Strategy for Distributed Energy Resources Considering Wind Power Curtailment Penalty Cost. Energies 2017, 10, 965.

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