Therefore, this paper proposes a bi-level peak regulation optimization model for power systems considering ramping capability and
Abstract Utilizing molten salt STP plants in grid peak-shaving endeavors is poised to become increasingly pivotal in the forthcoming energy landscape. Investigating the
The development of the carbon market is a strategic approach to promoting carbon emission restrictions and the growth of renewable energy. As the development of new
A concentrating solar power (CSP) plant with a high-capacity thermal storage system (TES) is a utilization form of solar energy (Zhang et al., 2022). TES can store heat
In spite of the discontinuous nature of solar energy, concentrated solar power (CSP) plant with thermal energy can not only stabilize output but also be operated as a peak
In recent years, another form of new energy power generation—solar thermal power generation—has been rapidly developed. Equipped with a large-capacity heat storage
The results indicate that, to achieve efficient load regulation from 0% to 100% for a 1000 MWe S–CO 2 CFPP, the priority configuration for thermal energy storage is CO 2 TES,
In this work, we propose an integrated system that encompasses power generation, energy storage, and peak shaving functionalities. The system utilizes heat from solar energy and
In this paper, the heat transport and load response characteristics of the molten salt STP plant in the regulation process are studied, aiming at serving the development of the
A two-stage stochastic optimization approach is then utilized for day-ahead pre-dispatch of thermal power and storage units, and intraday dispatch adjustments are made to
Integrating renewable energy resources into power systems is essential for achieving sustainability targets. Concentrated solar power can incorporate thermal energy
The application of energy storage unit is a measure to reduce the peak load regulation pressure of thermal power units. In this paper, a joint optimal scheduling model of
During the thermal storage process, the coal consumption index of the flue gas heat storage scheme decreases with increasing load, while conversely, during the heat release
The multi-timescale regulation capability of the power system (peak and frequency regulation, etc.) is supported by flexible resources, whose capacity requirements
This paper proposes to enhance the flexibility of renewable-penetrated power systems by coordinating energy storage deployment and deep peak regulation of existing
Abstract Improving the peaking capacity of coal-fired units is imperative to ensure the stability of the power grid, thus facilitating the grid integration and popularization of large
Finally, a provincial power grid in northeast China is taken as an example to verify that hydrogen energy storage equipment assisting thermal power unit flexibility transformation can better
The goal is to create an energy system that meets requirements for power generation, energy storage, and peak shaving, ensuring it is clean, efficient, and capable of effective energy
Flywheel energy storage systems (FESS) are considered environmentally friendly short-term energy storage solutions due to their capacity for rapid and efficient energy storage
New energy storage methods based on electrochemistry can not only participate in peak shaving of the power grid but also provide inertia and emergency power support. It is
Based on the principles of cascaded energy utilization, this paper improves the coupling methodology of an integrated solar thermal and
Solar thermal power generation technology is an environment-friendly power generation technology that can make full use of solar energy. The power generating mo
This article proposes a coupled electricity-carbon market and wind-solar-storage complementary hybrid power generation system model,
Energy storage is one of the hot points of research in electrical power engineering as it is essential in power systems. It can improve power system s
Concentrated solar power (CSP) plant with thermal energy storage can be operated as a peak load regulation plant. The steam generation system (SGS) is the central
4 天之前· The rapid expansion of renewable energy in China''s Three North regions has exacerbated peak regulation challenges in power systems, creating operational bottlenecks
Abstract: Under the "dual carbon" target, new energy ushers in a leapfrog development,which makes an higher requirement for power system flexibility. The regulation
The numerical results show that the battery energy storage systems are charged correctly during peak hours (the charging power is between 0.45 and 0.90 kW, and the state of
In this study, with different peak load regulation modes, thermal power units are considered for peak load regulation in power systems. An optimal scheduling model integrating
The molten salt solar power tower station equipped with thermal energy storage can effectively compensate for the instability and periodic fluctuation of solar energy, and a
Aiming to mitigate the impact of power fluctuation caused by large-scale renewable energy integration, coupled with a high rate of wind and
Conclusion This paper presented an optimal scheduling model for power system peak load regulation considering the short-time startup and shutdown operations of a thermal power unit. As the main resource on the generation side, the intrinsic capacity of the thermal units in the system peak load regulation was studied in this paper.
The proposed method was verified in a real prefecture-level urban power system in southwest China, and its modified test systems. The case studies demonstrated the intrinsic capacity of the thermal units in the system peak load regulation.
The intrinsic capacity of the thermal units in the system peak load regulation is studied on the generation side. An improved linear UC model considering startup and shutdown trajectories of thermal power units is embedded with the peak load regulation compensation rules.
To the best of our knowledge, this study is the first to integrate different modes’ peak load regulation cost of thermal units into the optimal scheduling model. The proposed method was verified in a real prefecture-level urban power system in southwest China, and its modified test systems.
Configuration Optimization of Heat Storage and Heat Collection System The load regulation of the heat storage system is influenced by factors such as the heat exchanger, molten salt quality, and heat collection area.
In the current research, the integration mode of thermal power units and concentrated solar power is divided into low temperature and high temperature. Low-temperature coupling was first proposed in 1975. Zoschak and Wu used solar heat to replace part of the regenerative extraction steam to heat the water supply.
