LYU Shunkai, ZHANG Min, ZHANG Zhixue. Regenerative braking energy efficient synergistic utilization technology for AC electrified railways. [J]. Electric drive for locomotives (3):53-61(2022)
DOI:
LYU Shunkai, ZHANG Min, ZHANG Zhixue. Regenerative braking energy efficient synergistic utilization technology for AC electrified railways. [J]. Electric drive for locomotives (3):53-61(2022) DOI: 10.13890/j.issn.1000-128X.2022.03.007.
Regenerative braking energy efficient synergistic utilization technology for AC electrified railways
Strengthening the research and application of regenerative braking energy utilization technology is an important measure to promote the low carbon development of AC electrified railways. In order to further improve the utilization rate of regenerative braking energy
effectively solve the problem of insufficient absorption capacity of power load
taking cost control into account
a kind of synergistic utilization technology combining transfer and storage was proposed. Firstly
the composition and working principle of the synergistic utilization device were explained
and the hierarchical control architecture based on master-slave control was studied. Secondly
following the principles of transfer priority and maximum utilization
the control strategy that takes into account the multiple constraints of regenerative braking power
electric load demand power and rated power of the device was formulated. Then
based on the field measured data
the correctness and effectiveness of the control strategy were simulated and verified
and the energy-saving effect was analyzed. Finally
considering factors such as cycle life
safety and reliability
lithium titanate batteries was selected as the energy storage medium
and the investment cost and the full life cycle benefits were calculated on this basis. The research results show that the synergistic utilization technology can realize the efficient utilization of regenerative braking energy
so it has a good effect of cost and energy saving and high engineering application value.
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