电工技术学报  2024, Vol. 39 Issue (19): 5969-5977    DOI: 10.19595/j.cnki.1000-6753.tces.231342
电磁发射技术专题 |
一种能量回馈型脉冲电流消磁电源及其控制方法
刘浩然1, 陈武1, 黄垂兵2, 许志明3
1.东南大学电气工程学院 南京 210096;
2.海军工程大学电气工程学院 武汉 430014;
3.上海装备技术质量监测站象山消磁站 宁波 315700
An Energy Feedback Pulse Current Degaussing Power Supply and Control Method
Liu Haoran1, Chen Wu1, Huang Chuibing2, Xu Zhiming3
1. School of Electrical Engineering Southeast University Nanjing 210096 China;
2. School of Electrical Engineering Naval University of Engineering Wuhan 430014 China;
3. Xiangshan Degaussing Station Shanghai Equipment Technology Quality Monitoring Station Ningbo 315700 China
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摘要 随着大型舰船的不断发展,舰船用消磁系统的消磁电源功率等级不断增加,现有的静止式消磁电源存在损耗大、功率等级较低、泄能成本高等问题亟待解决。针对目前混合储能系统的研究,该文首先提出一种能量回馈型脉冲电流消磁电源,其由锂电池供能的多相交错Buck变换器、超级电容储能的全桥模块串联构成,输出侧经晶闸管换向电路连接,从而可以得到极性可调的脉冲电流序列,利用级联全桥的形式,有效地降低了开关器件的电压应力与脉冲电流上升阶段的大功率供能问题,该结构可以替代泄能回路,大大降低消磁电源成本;然后该文详细给出了能量回馈型脉冲电流消磁电源的原理分析,以及在单路消磁电源能量链与多路消磁电源能量链并联的情况下的相应控制策略;最后对该拓扑结构进行了仿真测试,仿真结果证明了拓扑结构与控制策略的可行性。
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关键词 消磁电源超级电容级联全桥    
Abstract:In recent years, with the continuous research and development of China's large military ships, the demand for ships' degaussing systems has gradually increased. The earth's magnetic field can magnetize the ship to produce induction magnetic field, which makes the ship very easy to be detected by the enemy's magnetic detection, posing a serious threat to the ship. Therefore, it is necessary to use the degaussing system to generate a magnetic field that is opposite to the magnetic field of the ship, so as to offset the induction magnetic field of the ship. Thus, the degaussing system of the ship is an extremely critical means of protection for the ship.
In order to meet the demand for degaussing system, this paper proposes an energy feedback pulse current degaussing power supply topology. The structure contains a multiple Buck converter with energy storage from lithium batteries, and cascaded full-bridge modules of ultracapacitor. These two parts are connected in series with the input capacitor in parallel to the DC bus, and connected in parallel with the output filter capacitor to the thyristor commutation circuit. The port of the degaussing power supply is drawn from the thyristor commutation circuit and connected to both ends of the degaussing winding. During a current pulse cycle, due to the high instantaneous power required in the rising phase of the pulsed current, while the pulse current platform stage requires a long period of power delivery. Therefore, the ultracapacitor needs to be utilized to provide a large instantaneous power during the pulse current rise phase, while the lithium battery needs to be utilized for power support during the pulse current platform stage. Meanwhile, by bypassing the lithium battery and reversing the input to the ultracapacitor in the falling pulse current stage, then the energy on the degaussing coil can be released quickly, and at the same time, this part of the energy can also be used to recharge the ultracapacitor.
This topology reduces the required switching frequency through the structure of multiple Buck converter; at the same time, the form of cascaded full-bridge modules effectively reduces the voltage stress of the switching device and the high-power energy supply problem in the rising pulse current stage; furthermore, the use of ultracapacitor cascaded full-bridge modules replace the energy dissipation circuit, which greatly reduces the corresponding device and heat dissipation costs.
To verify the analysis of the principle and control strategy of the energy feedback pulsed current degaussing power supply topology, the simulation of the single-supply model and the multiple-supply parallel model are constructed in this paper. In order to verify the control strategy of equalizing voltage and current, the ultracapacitor parameters within the power supply and between multiple power supplies are differentiated.
In this paper, the operation principle of the energy feedback pulsed current degaussing power supply is analyzed; the corresponding control strategy is provided in the case of single-supply model and the multiple-supply parallel model; subsequently, simulation tests are carried out for this topology, and the results of the simulation prove the feasibility of the topology and the control strategy.
Key wordsDegaussing power supply    ultracapacitor    cascaded H-bridge   
收稿日期: 2023-08-17     
PACS: TM461.5  
通讯作者: 陈 武 男,1981年生,博士,教授,研究方向为功率电子变换技术及特种工业电源等。E-mail:chenwu@seu.edu.cn   
作者简介: 刘浩然 男,1998年生,硕士研究生,研究方向为电力电子功率变换技术。E-mail:seu_liuhr@163.com
引用本文:   
刘浩然, 陈武, 黄垂兵, 许志明. 一种能量回馈型脉冲电流消磁电源及其控制方法[J]. 电工技术学报, 2024, 39(19): 5969-5977. Liu Haoran, Chen Wu, Huang Chuibing, Xu Zhiming. An Energy Feedback Pulse Current Degaussing Power Supply and Control Method. Transactions of China Electrotechnical Society, 2024, 39(19): 5969-5977.
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