Energy storage participates in peak load regulation of thermal power plants

To enlarge the regulation capacity of the power system, some thermal power plants have a specially built energy storage system for peak regulation. However, building energy storage systems specifically on the side of thermal power plants .

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About Energy storage participates in peak load regulation of thermal power plants

About Energy storage participates in peak load regulation of thermal power plants

To enlarge the regulation capacity of the power system, some thermal power plants have a specially built energy storage system for peak regulation. However, building energy storage systems specifically on the side of thermal power plants .

To enlarge the regulation capacity of the power system, some thermal power plants have a specially built energy storage system for peak regulation. However, building energy storage systems specifically on the side of thermal power plants .

The simulation example shows that the virtual power plant and its day-ahead and 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 supporting energy storage power.

This paper proposes the configuration of electric heat storage equipment in large heat-supply power plant and the use of thermal inertia of the heating system to improve the unit peaking capacity. The first step is to expand the feasible region in which the combined heat and power plant can operate.

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6 FAQs about [Energy storage participates in peak load regulation of thermal power plants]

What is peak load regulation?

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.

What is the optimal scheduling model for power system peak load regulation?

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.

Can thermal units be used in peak load regulation?

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.

Do thermal power units have intrinsic capacity in 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.

Can peak load regulation cost be integrated into the optimal scheduling model?

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.

How does peak load regulation affect the power system?

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 .

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