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To balance the peak–valley (off-peak) difference of the load in the system, the power system peak load regulation is utilized through adjustment of the output power and operating states of power generator units in both peak and off-peak hours.
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.
Principle of the evaluation method The peak-regulation capability of a power grid refers to the ability of power supply balancing with power load, especially in the peak load and valley load periods. Specifically, the adjustment range of power supply in one day should be high enough to reach the peak load and low enough to reach the valley load.
Peak-regulation refers to the planned regulation of generation to follow the load variation pattern either in peak load or valley load periods. Sufficient peak-regulation capability is necessary for the reliable and secure operation of power grid, especially in urban regions with extremely large peak–valley load difference (Jin et al., 2020).
The peak load regulation problem causes challenges to the power system, and countermeasures are studied on the demand side and the generation side. On the demand side, demand response programs encourage consumers to reduce and/or shift their electricity usage during peak hours .
An integrated optimal scheduling model for power system peak load regulation with a suitable rolling optimization strategy is proposed. A real prefecture-level urban power system in southwest China and its modified test systems are used to test and verify the validity and effectiveness of the proposed methodology. 1. Introduction
Finally, through simulation experiments, this paper analyzed the frequency control ability of deep peaking to high proportion new energy accessed system, and proposed a method of maximum …
According to the energy flow direction, the CSP plant has two operating modes: load mode of peak regulation and power source of peak regulation. During the low …
The large-scale grid-connection of intermittent new energy requires CFPPS to have rapid peak-load regulation capacity. In the process connected to the grid, the S-CO 2 …
With the rapid development of new energy in recent years, its proportion in the power grid is increasing. The impact of its randomness, intermittence and negative peak regulation …
In recent years, the power load as well as the peak–valley load difference has increased greatly, causing the shortage of peak-regulation capacity in urban power grids. …
In the day-ahead stage, an advanced peak regulation transformation is employed, leveraging the combined heat storage device of conventional thermal power units to enhance their peak regulation capability. …
The lower reserve capacity of thermal power plants is used to provide peak regulation power generation rights for renewable energy sources such as wind and solar …
This paper proposes a novel evaluation method of REAC in power system comprehensively considering peak and frequency regulation. First, the mechanism and cost of deep peak …
Renewable energy sources (RESs) have become integral components of power grids, yet their integration presents challenges such as system inertia losses and mismatches …
The lower reserve capacity of thermal power plants is used to provide peak regulation power generation rights for renewable energy sources such as wind and solar energy. The load side adopts demand response (DR) …
Nuclear power plants have to be faced with urgent requirement of participating in peak load regulation of power grid. The peak load regulation performances of nuclear power …
intra-day optimal peak regulation strategy can reduce the peak regulation cost of the power system, as compared with the deep peak regulation of thermal power plants with a special …
Finally, through simulation experiments, this paper analyzed the frequency control ability of deep peaking to high proportion new energy accessed system, and proposed a method of maximum …
The power system peak load regulation is conducted by adjusting the output power and operating states of the power generating units in both peak and off-peak hours. …
Peak-regulation refers to the planned regulation of generation to follow the load variation pattern either in peak load or valley load periods. Sufficient peak-regulation capability …
In the day-ahead stage, an advanced peak regulation transformation is employed, leveraging the combined heat storage device of conventional thermal power units …
In the context of deep peak load regulation, this article introduces the construction of two new units for the Huadian Shidongkou First Power Plant''s 2×650,000-kilowatt capacity coal-to …
DOI: 10.1016/J.APENERGY.2021.116967 Corpus ID: 235514570; Control strategy of molten salt solar power tower plant function as peak load regulation in grid …
Wang J, Zhao J, Ye X, et al. Safety constraints and optimal operation of large-scale nuclear power plant participating in peak load regulation of power system. IET Generat …
This paper proposes a novel evaluation method of REAC in power system comprehensively considering peak and frequency regulation. First, the mechanism and cost of deep peak regulation of thermal power units are …
This paper first analyzes the impact of wind power and photovoltaic negative peak regulation characteristics on regional power grid peak regulation, and then proposes a coordinated peak …
Nuclear power plants have to be faced with urgent requirement of participating in peak load regulation of power grid. The peak load regulation performances of nuclear power …
In order to make profits, gas-fired power plants build cogeneration units, which are based on heat load to determine the amount of power generation, but the part of power …
Under the framework of multi-agent communication, a capacity allocation strategy that can ensure system flexibility and peak-load regulating units'' cost recovery is …
This paper first analyzes the impact of wind power and photovoltaic negative peak regulation characteristics on regional power grid peak regulation, and then proposes a coordinated peak …