航空高压直流供电系统双向瞬态干扰抑制方法
收稿日期: 2024-07-11
修回日期: 2024-08-07
录用日期: 2024-09-23
网络出版日期: 2024-09-26
基金资助
国家自然科学基金(52177028)
Bidirectional transient interference suppression methodology in aviation HVDC electric power system
Received date: 2024-07-11
Revised date: 2024-08-07
Accepted date: 2024-09-23
Online published: 2024-09-26
Supported by
National Natural Science Foundation of China(52177028)
针对雷达/定向能武器瞬时大功率瞬态用电需求和四象限电力作动器双向电能流动带来的机载供电稳定性难题,提出了一种基于高压储能和双向能量变换的航空高压直流电网大功率双向瞬态干扰抑制方法,有效地抑制了由于传统机载发电机系统响应慢带来的电网电压波动。首先,提出了一种基于高压蓄电池和双向功率变换的双向能量控制拓扑,利用高压蓄电池的瞬时充放电削峰填谷,实现瞬时双向电能的变换与控制。其次,提出了一种基于电网电压-负载电流和蓄电池荷电状态的综合能量管理策略,实现系统负载扰动的快速检测和供电模式的快速配置。再次,提出了一种基于微分跟踪器和负载电流前馈的稳压控制方案,改善双向功率变换器的稳压性能。实验结果表明,所提出的基于高压储能和双向能量变换方法能够有效抑制大功率双向瞬态电能冲击带来的电网电压波动,提升机载高压直流电源系统的鲁棒性和供电品质。
张博一 , 郭宏 , 徐金全 , 薛龙献 , 马中兵 , 陈俊祥 . 航空高压直流供电系统双向瞬态干扰抑制方法[J]. 航空学报, 2025 , 46(7) : 330930 -330930 . DOI: 10.7527/S1000-6893.2024.30930
In this paper, a suppression methodology based on the high voltage energy storage system and bidirectional energy conversion is proposed to solve the stability problem caused by the transient power demand of the radar/direct energy weapon and the bidirectional power flow of four-quadrant electric actuator. Firstly, a bidirectional energy control topology based on high-voltage battery and bidirectional power conversion is proposed, which uses the instantaneous charging and discharging of high-voltage battery to cut peaks and fill valleys to achieve bidirectional transient power control. Secondly, a comprehensive power supply management strategy based on bus voltage-load current and battery SOC is proposed to realize rapid detection of system load disturbance and fast configuration of power supply mode. Thirdly, a voltage stabilizing control method based on differential tracker and load current feedforward is proposed to improve the voltage performance of the converter under various loads. The simulation and experimental results show that the proposed method can effectively suppress the voltage fluctuation caused by high-power bidirectional transient load disturbance, and improve the robustness and quality of aerospace HVDC power supply system.
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