Power Dispatching Strategy Considering the Health Status of Multi-Energy Conversion Equipment in Highway Power Supply Systems

Xianhong Hou, Jiao Wang, Shaoyong Guo and Ketian Liu ()
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Xianhong Hou: CCCC Mechanical & Electrical Engineering Co., Ltd., Beijing 101300, China
Jiao Wang: CCCC Mechanical & Electrical Engineering Co., Ltd., Beijing 101300, China
Shaoyong Guo: CCCC Mechanical & Electrical Engineering Co., Ltd., Beijing 101300, China
Ketian Liu: School of Electric Power Engineering, Nanjing Institute of Technology, Nanjing 211167, China

Energies, 2024, vol. 17, issue 17, 1-10

Abstract: In order to extend the service life of a highway power supply system and the level of new energy consumption, a power dispatching strategy considering the health status of multi-energy conversion equipment is proposed in this paper. Firstly, the energy and load forms of the highway power supply system are introduced, and the structure of the multi-energy conversion equipment, the topological structures of the DC–DC and DC–AC modules, and the operating characteristics are analyzed. Secondly, the module temperatures and output voltages are used as main parameters to establish the health indexes of DC–DC and DC–AC modules, and then the health index of the multi-energy conversion equipment is further calculated. Thirdly, the new energy consumption index is defined, and a multi-objective optimization model for power dispatching of highway power supply systems is established with the goal of improving the health index of multi-energy conversion equipment and the new energy consumption index. The case study shows that the power dispatching strategy in this paper can better control the temperature of each module, improve the health status of multi-energy conversion equipment, and have a high level of new energy consumption.

Keywords: highway power supply system; power dispatching strategy; multi-energy conversion equipment; health index; new energy consumption index (search for similar items in EconPapers)
JEL-codes: Q Q0 Q4 Q40 Q41 Q42 Q43 Q47 Q48 Q49 (search for similar items in EconPapers)
Date: 2024
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