Peak Regulation Control Strategy of Wind-Thermal-Storage Combined Based on Green Certificate-Carbon Trading Mechanism

doi:10.12204/j.issn.1000-7229.2023.07.002

Abstract

Abstract:

Peak carbon dioxide emissions and carbon neutrality require urgent renewable energy development. This paper proposes a peak regulation control strategy for wind-thermal-storage combined with the green certificate-carbon trading mechanism to ease peak shaving pressure and reduce carbon emissions. The strategy employs a hierarchical control approach. First, the upper model aims to optimize the peak-valley difference of the net load and maximize the revenue from pumping and storage power stations, ensuring their peak-shaving, valley-filling effect, and revenue. Second, the lower model aims at the lowest total operating cost of the system and incorporates a carbon trading mechanism with segmented boundaries and a green certificate mechanism with quantified fines to ensure the economy of the system while meeting the low carbon requirements. Through simulation analysis, the proposed green certificate-carbon trading mechanism control strategy can reduce the output of thermal power units by 1.69% and the total operating cost of the system by 4.09%, verifying the role of the strategy in developing a low-carbon economy.

Key words: wind-thermal-storage combined power generation system, carbon trading mechanism, green certificate trading mechanism, low carbon emission reduction

CLC Number:

TM73

LI Junhui, LUO Xuanzhong, ZHU Xingxu, LI Cuiping, JIA Chen, ZHANG Zheshen, HUANG Jianwen, CHEN Peiyi. Peak Regulation Control Strategy of Wind-Thermal-Storage Combined Based on Green Certificate-Carbon Trading Mechanism[J]. ELECTRIC POWER CONSTRUCTION, 2023, 44(7): 11-20.

Figures/Tables 13

Fig.1 Combined system structure

Fig.2 Hierarchical control framework of model

Fig.3 Flow chart of model solution

Fig.4 Wind power scene clustering results

Table 1 Operating parameters of pumped storage unit

Table 2 Composition and parameters of thermal power units

Fig.5 Wind powerand load forecasting curve

Fig.6 Output optimization results of units in scenario 1 and 4

Table 3 System operation in various scenarios

Fig.7 Effect diagram of peak cutting and valley filling

Table 4 Peak shaving effect parameter

Fig.8 New energy quota relationship curve

Fig.9 Carbon transaction price relationship curve

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