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A cooperative model of photovoltaic and electricity-to- hydrogen including green certificate trading under the conditional value at risk

2023-11-13

A cooperative model of photovoltaic and electricity-to- hydrogen including green certificate trading under the conditional value at risk

风险条件价值下包括绿色证书交易在内的光伏和电力制氢合作模式

Haobo Rong¹, Honghai Kuang²

1. Department of Electrical and Control Engineering, Nanjing Polytechnic Institute, Nanjing 210044,P. R. China

2. Department of Electrical and Information Engineering, Hunan University of Technology, Zhuzhou 412007, P. R. China

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A cooperative model of photovoltaic and electricity-to- hydrogen including green certificate trading under the conditional value at risk

Abstract

Cooperation in energy systems is no longer limited to the distribution of electricity, and more attention is paid to the trading of green certificates (GCs). This paper proposed a cooperative method for photovoltaic (PV) and electric-tohydrogen (EH) trading, including GC trading under risk management. First, a novel PV and EH model is established and the cooperation mechanism is analyzed. Meanwhile, PV and EH models were risk-controlled using the conditional value at risk to reduce the impact of the uncertainty of PV electricity and EH loads. Then, the PV-EH cooperative model was established based on cooperative game theory; this was then divided into two subproblems of “cooperative benefit maximization” and “transaction payment negotiation,” and the above two subproblems were solved distributively by alternating direction multiplier method (ADMM). Only energy transactions and price negotiations were conducted between the PV and EH, which can protect the privacy and confidentiality of each entity. Finally, the effectiveness of the cooperation model was verified using a practical engineering case. The simulation results show that the cooperation of the PV-EH can significantly improve the operational efficiency of each entity and the overall efficiency of the cooperation and realize the efficient redistribution of electricity and GC.

Keywords

Green certificates; Electric-to-hydrogen; Cooperative method; Decentralized optimization; Renewable energy absorbing task

Fig. 1 Energy cooperation framework

Fig. 2 Power of PV and EH load

Fig. 3 The iterative process of P1

Fig. 4 The iterative process of P2

Fig. 5 Electricity trading

Fig. 6 GC trading

Fig. 7 Electricity prices for direct trading

Fig. 8 GC prices for direct trading

Fig. 9 Correlation curve of CVaR-gains

本文引文信息

Rong HB, Kuang HH (2023) A cooperative model of photovoltaic and electricity-to-hydrogen including green certificate trading under the conditional value at risk, Global Energy Interconnection, 6(4): 403-417

荣浩博，匡洪海 (2023) 风险条件价值下包括绿色证书交易在内的光伏和电力制氢合作模式. 全球能源互联网（英文）, 6(4): 403-417

Biographies

Haobo Rong

earned his M.E. in Electrical Engineering from Hunan University of Technology in 2019. Currently, He is working as a lecturer at Nanjing Vocational and Technical College in Nanjing, China. His research interests include active distribution planning and operation.

Wei Chen

obtained her M.S. in Power electronics and power transmission from South China University of Technology,Guangzhou, China, in 2005, and her PhD in Power electronics and power transmission from Hunan University, Changsha, China, in 2013. Professor in the School of Electrical and Electronic Engineering at Hunan University of Technology. Her research interests include intelligent planning of power systems, risk assessment, power communication systems.

编辑：王彦博

审核：王伟

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