Multi-Time Period Optimal Dispatch Strategy for Integrated Energy System Considering Renewable Energy Generation Accommodation

Chutian Yu, Xinyi Lai, Fei Chen, Chenwei Jiang, Yikai Sun, Lijun Zhang, Fushuan Wen and Donglian Qi
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Chutian Yu: Economic and Technology Research Institute, State Grid Zhejiang Electric Power Co., Ltd., Hangzhou 310000, China
Xinyi Lai: School of Electrical Engineering, Zhejiang University, Hangzhou 310027, China
Fei Chen: Economic and Technology Research Institute, State Grid Zhejiang Electric Power Co., Ltd., Hangzhou 310000, China
Chenwei Jiang: School of Electrical Engineering, Zhejiang University, Hangzhou 310027, China
Yikai Sun: Economic and Technology Research Institute, State Grid Zhejiang Electric Power Co., Ltd., Hangzhou 310000, China
Lijun Zhang: Economic and Technology Research Institute, State Grid Zhejiang Electric Power Co., Ltd., Hangzhou 310000, China
Fushuan Wen: Hainan Institute, Zhejiang University, Sanya 572000, China
Donglian Qi: Hainan Institute, Zhejiang University, Sanya 572000, China

Energies, 2022, vol. 15, issue 12, 1-18

Abstract: With the target of carbon peaking and carbon neutrality, renewable energy generation (REG) develops rapidly. The increasing penetration of REG brings along the problems of fluctuation in power flow and the possible abandonment of wind and photovoltaics (PV) generation. In this context, the so-called integrated energy system (IES) becomes a promising solution to the accommodation of REG thanks to energy storage systems and coupling devices inside. In this paper, the optimal operation model of an IES is first presented, with the schemes of green certificate trading and carbon emission right trading included to provide economic incentives for accommodating REG. Next, in order to address the problem of uncertainty in REG, the devices in the IES are divided into three types based on regulation flexibility, and a multi-time period optimal dispatching scheme is proposed, including day-ahead optimal scheduling, rolling optimal dispatching, and real-time control strategy. Finally, it is demonstrated by simulation results of a numerical example that the proposed method not only promotes the accommodation capability for REG but can also cope well with contingencies.

Keywords: integrated energy system; multi-time period; optimal dispatch model; renewable energy generation; accommodation capability; fluctuation (search for similar items in EconPapers)
JEL-codes: Q Q0 Q4 Q40 Q41 Q42 Q43 Q47 Q48 Q49 (search for similar items in EconPapers)
Date: 2022
References: View references in EconPapers View complete reference list from CitEc
Citations: View citations in EconPapers (2)

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