Emergency Dispatch Approach for Power Systems with Hybrid Energy Considering Thermal Power Unit Ramping

Future power systems will face more extreme operating condition scenarios, and system emergency dispatch will face more severe challenges. The use of distributed control is a well-designed way to handle this. It enables multi-energy complementation by means of autonomous communication, which greatly...

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Bibliographic Details
Published in:Energies (Basel) 2023-05, Vol.16 (10), p.4213
Main Authors: Zhou, Buxiang, Wu, Jiale, Zang, Tianlei, Cai, Yating, Sun, Binjie, Qiu, Yiwei
Format: Article
Language:English
Subjects:
Algorithms
Alternative energy sources
Communication
consensus algorithm
cyber-physical system
Efficiency
Electric power systems
Electricity distribution
emergency dispatch
Emissions control
Energy conservation
Energy consumption
Energy industry
Energy management
Energy management systems
Energy sources
Energy storage
Energy usage
hybrid-energy power system
ramp rate
Renewable resources
Scheduling
Storage capacity
Thermal power
Thermoelectricity
Wind farms
Wind power
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Summary:Future power systems will face more extreme operating condition scenarios, and system emergency dispatch will face more severe challenges. The use of distributed control is a well-designed way to handle this. It enables multi-energy complementation by means of autonomous communication, which greatly improves the flexibility of the grid. First, in the context of global energy conservation and emission reduction, this paper adopts the energy usage method of “renewable energy is the main source of energy, supplemented by thermal power and energy storage” to reduce the system abandoned wind (light) rate while supplementing the energy storage capacity. Second, a consensus algorithm is added to the system while considering the coordination between thermal units and energy storage. An “interface” for autonomous communication between thermal units and energy storage is created using the incremental cost of each agent. To address the recurring issue of power imbalance during emergency dispatch of the system, the consensus algorithm is enhanced so that the communication interval varies with the unit rate. This is based on the climbing characteristics of each thermal power unit. Finally, the effectiveness of the proposed method is verified in an IEEE-30 bus system.
ISSN:1996-1073
1996-1073
DOI:10.3390/en16104213