Multi-subject Benefit Distribution Model under the Union Participation of Wind-Solar-Storage in Green Power Transactions

doi:10.12204/j.issn.1000-7229.2023.05.013

Abstract

Abstract:

The development of energy storage is crucial for the construction of China’s new power system and the realization of a dual-carbon energy goal, which is a crucial determinant of participation in the energy storage power market. To address the scenario of joint wind-solar-storage participation in green power trading, this study first constructs a green power-trading model with the objective function of maximizing the benefits of the joint system, followed by a multi-entity benefit allocation model that considers the load contribution, costs, and operational risks of each entity. Finally, an example analysis is conducted using actual data from a park. The results show that the benefit allocation model effectively enhances the benefits of the energy storage system, promotes the joint participation of wind-light storage in green power trading, and facilitates the realization of the green value of electricity.

Key words: wind-solar-storage combination, benefit distribution, sensitivity analysis, green power transaction

CLC Number:

TM715

WANG Yujie, TAN Zhongfu, JU Liwei, TANG Guangrui. Multi-subject Benefit Distribution Model under the Union Participation of Wind-Solar-Storage in Green Power Transactions[J]. ELECTRIC POWER CONSTRUCTION, 2023, 44(5): 134-140.

Figures/Tables 10

Fig.1 Power supply structure of the wind-solar-storage union system

Table 1 Main parameters of the union system

Fig.2 Power load of the industrial park and power supply of solar and wind systems

Fig.3 Power output of the wind-solar-storage union system

Fig.4 Change in energy storage system capacity and storage power with time

Table 2 Benefit distribution of each subject under green electricity transaction 万元

Table 3 Comparison of benefits under two scenarios 万元

Fig.5 Comparison of multi-entity benefit allocations under different rates of price change

Fig.6 Comparison of multi-entity benefit allocations for different rates of cost reduction

Table 4 Comparison of multi-entity benefit allocations under different combinations of correction factors 万元

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