Flexibility improvement and stochastic multi-scenario hybrid optimization for an integrated energy system with high-proportion renewable energy

Yan, Rujing; Wang, Jiangjiang; Huo, Shuojie; Qin, Yanbo; Zhang, Jing; Tang, Saiqiu; Wang, Yuwei; Liu, Yan; Zhang, Lin

doi:10.1016/j.energy.2022.125779

Cited by 79 publications

(5 citation statements)

References 50 publications

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“…The analysis results of this paper can lay the foundation for the design and operation planning research of IESs in complex industrial parks. For industrial zones, Yan et al [105] developed a two-stage optimization approach to plan an IES with multiple flexibility options including gas boilers, electric boilers, power-to-gas, electric energy storage and thermal energy storage with the objective of minimizing the total cost including equipment investment, operation, carbon emission penalties and renewable energy reduction penalties, and analyzed the economic performance and renewable energy accommodation of the system. With the goal of building a green port, Song et al [106] proposed a zero-carbon port microgrid energy system with an integrated carbon capture power plant and developed an energy management model considering carbon trading mechanism to achieve optimal economic operation of the port microgrid and reduce carbon emissions.…”

Section: Industrial Park Typementioning

confidence: 99%

A review on modelling methods, tools and service of integrated energy systems in China

Wu,

Zhang,

Wang

et al. 2023

Prog. Energy

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An integrated energy system (IES) is responsible for aggregating various energy carriers, such as electricity, gas, heating, and cooling, with a focus on integrating these components to provide an efficient, low-carbon, and reliable energy supply. This paper aims to review the modeling methods, tools, and service modes of IES in China to evaluate opportunities for improving current practices. The models reviewed in this paper are classified as demand forecasting or energy system optimization models based on their modeling progress. Additionally, the main components involved in the IES modeling process are presented, and typical domestic tools utilized in the modeling processes are discussed. Finally, based on a review of several demonstration projects of IES, future development directions of IES are summarized as the integration of data-driven and engineering models, improvements in policies and mechanisms, the establishment of regional energy management centers, and the promotion of new energy equipment.

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Section: Industrial Park Typementioning

confidence: 99%

A review on modelling methods, tools and service of integrated energy systems in China

Wu,

Zhang,

Wang

et al. 2023

Prog. Energy

Self Cite

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“…To achieve effective RES utilization, it is essential to leverage the flexibility support from conventional power sources on the generation side. In areas predominantly reliant on coal, thermal power units (TPUs) act as the main providers of power system flexibility [4]. Enhancing the flexibility of TPUs through technical retrofitting emerges as the most realistic and feasible method to augment the power system's adaptability [5].…”

Section: Introductionmentioning

confidence: 99%

Enhancing Renewable Energy Accommodation by Coupling Integration Optimization with Flexible Retrofitted Thermal Power Plant

Zou,

Xia,

Chi

et al. 2024

Applied Sciences

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Thermal power units (TPUs) play a crucial role in accommodating the high penetration of renewable energy sources (RESs) like wind turbines (WTs) and photovoltaics (PVs). This paper proposes an evaluation framework to quantitatively analyze the flexibility potential of retrofitted TPUs in enhancing the accommodate capability of RESs through coupling integration and optimal scheduling. Firstly, the coordination framework for coupling TPUs with RESs is outlined, including a comprehensive analysis of benefits and implementation strategies. Secondly, an annual optimal scheduling model for TPUs and RESs is developed, incorporating deep peak regulation services, ladder-type constraints for retrofitted TPUs, and their operational characteristics before and after the coupling integration. Thirdly, indices to evaluate RES accommodation levels and TPU regulation capacities are proposed to quantify the performance of power sources. Finally, a real-world case study is conducted to demonstrate that integrating retrofitted TPUs with RESs through coupling significantly enhances RES utilization by 3.6% and boosts TPUs’ downward regulation capabilities by 32%.

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“…Problems such as intermittency of renewable energy and mismatch of grid construction increase the abandonment rate of renewable energy [5], so studying the role of various forms of energy storage in an integrated energy system is an effective way to cope with it. Song et al [6] propose that battery energy storage systems combined with renewable energy generation can solve the intermittency problem of renewable energy generation to smooth out output fluctuations.…”

Section: Introductionmentioning

confidence: 99%

Inter-Zone Optimal Scheduling of Rural Wind–Biomass-Hydrogen Integrated Energy System

Zhang,

Yu,

2023

Energies

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To solve the problems of low utilization of biomass and uncertainty and intermittency of wind power (WP) in rural winter, an interval optimization model of a rural integrated energy system with biogas fermentation and electrolytic hydrogen production is constructed in this paper. Firstly, a biogas fermentation kinetic model and a biogas hydrogen blending model are developed. Secondly, the interval number is used to describe the uncertainty of WP, and an interval optimization scheduling model is developed to minimize daily operating cost. Finally, a rural integrated energy system in Northeast China is taken as an example, and a sensitivity analysis of electricity price, gas production, and biomass price is conducted. The simulation results show that the proposed strategy can significantly reduce the wind abandonment rate and improve the economy by 3.8–22.3% compared with conventional energy storage under optimal dispatch.

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Flexibility improvement and stochastic multi-scenario hybrid optimization for an integrated energy system with high-proportion renewable energy

Cited by 79 publications

References 50 publications

A review on modelling methods, tools and service of integrated energy systems in China

A review on modelling methods, tools and service of integrated energy systems in China

Enhancing Renewable Energy Accommodation by Coupling Integration Optimization with Flexible Retrofitted Thermal Power Plant

Inter-Zone Optimal Scheduling of Rural Wind–Biomass-Hydrogen Integrated Energy System

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