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Chinese Journal of Power Sources
本刊是信息产业部电源专业情报网网刊，中国电子科技集团公司第十八研究所主办，信息产业部主管，国家科技部（原国家科委）批准，属于全国性的技术类科技期刊。主要服务对象是从事化学与物理电源研究、研制、生产的科技工作者，科技管理工作者，有关专业的高等院校师生及部分用户，与电源相关行业的研究、研制、生产者。
  • 发文量：14633
  • 被引量：2855
  • H指数：3
  • 开始收录时间：1989(1)
  • CNKI综合因子：0.468
  • 维普期刊影响因子： 0.97
  • 万方期刊影响因子：0.55
  • 创刊时间：1977
  • 国内刊号/CN：12-1126/TM
    国际刊号/ISSN：1002-087X
  • 发行周期：月刊
    邮发代号：6-28
  • 主管单位：中华人民共和国工业与信息化部
    主办单位：中国电子科技集团第十八研究所
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  • 摘要：Through the analysis of active power-frequency and reactive power- voltage, of paral el inverter on the traditional droop control, active power and reactive power coupling problem of these methods were found. Power coupling problem was gone when the line was resistived transmission line. But when these methods for low voltage micro-grid, due to line was perceptual, at this time the power coupling problems were existed. So the inverter control method for this low voltage micro-grid was not practical. Through a coordinate transformation of active power and reactive power decoupling, an improved frequency -voltage control structure was proposed. Active power and reactive power were completely decoupled through the control. Final y, through the simulation analysis, the results show that, the shortcoming of the traditional paral el inverter control method are overcome and the requirements of control are met, and it is a relatively perfect control scheme.%通过对传统的微电网逆变器中的有功-频率、无功-电压下垂控制的分析，发现这些方法都存在有功功率和无功功率耦合的问题，当线路是阻性传输线路时这种功率耦合问题不存在，但是当这些方法用于低压微电网时，由于线路是感性的，此时这种功率耦合问题就存在，所以这些逆变器控制方法对于低压微电网是不实用的。通过一个坐标转换对有功功率和无功功率进行解耦，提出一种改进的频率-电压结构的控制，通过这种控制来实现对有功功率和无功功率的彻底解耦。仿真分析结果表明，此方法弥补了传统并联逆变器控制的不足，并且满足控制的要求，是一种相对完善的控制方案。
  • 摘要：根据瞬时无功功率理论基础，基于传统的算法在谐波检测中其动态响应及精度上的不足，对其低通滤波器(LPF)进行改进，增加了平均值滤波算法。理论分析及Matlab仿真实验表明，改进后的谐波检测方法具有较快的动态响应与良好的检测精度，具有较高的应用与研究价值。%According to the basis of the instantaneous reactive power theory, based on the insufficiency of dynamic response and precision in traditional algorithm which used in harmonic detection, the low-pass filter (LPF) was improved and the average filtering algorithm was added. Theoretical analysis and Matlab simulation results show that the improved harmonic detection method has faster dynamic response and good detection precision, and has higher application and research value .
  • 摘要：The working principle of PWM grid-converter was introduced. The key components of main power circuit in MW-level grid converter were studied in detail. On the basis of this, a prototype of 1 MW/690 V grid-converter was developed and corresponding experimental was done. Experimental results show that the research and analysis are correctly and effectively. With appropriate control, the power could flow from the supply to generator or the reverse flow, the converter had an excel ent network characteristics.%介绍了PWM并网变流器的工作原理，对MW级并网变流器的主功率回路的关键器件的选型计算进行了详细的分析。在此基础上，研制了一台1 MW/690 V的并网变流器样机，进行了相应的实验研究。实验结果表明分析计算是正确的，并网变流器能实现能量的双向传递，具有优良的并网特性。
  • 摘要：The possibilities and dangers of islands occurred were analyzed from the harm of islanding. The principle islanding was carried out in mathematical analysis. The islanding detection indexes were summarized both at home and abroad. In order to make users choose active or passive detection in the actual engineering applications, the islanding detection methods were classified and contrast. According to simulation of PV islanding system with Simulink, the principle and necessity of islanding detection were proved and a theoretical basis in improving the method of islanding detection was provided.%从孤岛效应产生的危害出发，分析了孤岛发生的可能性与危险性，概述了国内外的孤岛检测指标。在对孤岛效应原理进行数学分析的基础上，对孤岛检测的方法进行了分类和对比，使得用户可根据实际工程需求自主选择主动检测或被动检测的孤岛检测方法。通过Simulink对光伏孤岛系统进行仿真，证明孤岛效应检测的原理和必要性，为孤岛效应检测方法的改进提供了理论基础。
  • 摘要：随着电力电子技术的发展，各种精密仪器应运而生。这些仪器对电能质量的要求使得各种稳定、可靠、绿色、数字的电力供给形式成为研究的重点。基于网络形式下的UPS系统就是其中最重要的一种形式。目前，UPS系统向着小型、绿色、高频、数字化的方向发展。为保障其工作的可靠性和安全性，UPS网络监控系统也成为了电能供给的一部分。以嵌入式系统为基础，设计了基于以太网的UPS电源网络监控系统，实现了UPS远程集中监控。本设计使UPS系统的维护更具有实时性、高效性和可靠性。%With the development of power electronic technology, al kinds of precision instruments were appeared at the historic moment. The requirement of instrument to power quality which making al kinds of power supply of stable, reliable, green, digital were becoming the focus of the research. The UPS system based on the network was one of the most important kind of form. At present, the development of UPS system was in the direction of the smal , green, high frequency, digital. To ensure the reliability and security of this work, UPS network monitoring system had become a part of the electricity supply. The UPS power supply network monitoring system based on the embedded system and Ethernet was designed, and the UPS remote centralized monitoring was achieved. The design of the UPS system maintenance was more real-time, high efficiency and reliability.
  • 摘要：邵阳市达力电源实业有限公司生产的油压对辊机系列产品,广泛应用于国内各大锂离子电池、氢镍电池生产厂家。轧辊尺寸分别为φ200mm、φ300 mm、φ400 mm、φ500 mm、φ600 mm等,压力60~400 t,油压系统采用美国原装动力系统,轴承采用进口轴承,轧辊采用高性能合金材料,设备性能稳定,压力大,轧制极片平整,配套有放卷、切边、刷片、收卷组成极片轧片自动线,此机已在奥柯玛、肇庆风华、TCL等著名企业使用。
  • 摘要：At present, the power quality was an important symbol of electric power enterprise management level and market core competitiveness. It was regarded by the user. The real-time power quality monitoring and management were the research key point in the field of electric power. Based on the current situation and existing problems of power grid power quality monitoring, the idea of using wireless sensor network technology and virtual instrument technology to build the power quality monitoring system was put forward. Power quality, optimize the grid operation were positively improved.%目前电能质量的优劣已成为体现电力企业的管理水平和市场核心竞争力的重要标志，日益受到用户的高度关注，因此对电能质量的实时监测与管理成为电力领域的一个研究重点。针对目前电网电能质量监测的现状和存在的问题，提出了利用无线传感网技术和虚拟仪器技术构建电能质量监测系统的思想，对于提高电能质量、优化电网运行具有积极作用。
  • 摘要：近日，韩国蔚山国立研究所和德国卡尔斯鲁尔理工学院的科研人员研发出一种新型燃料电池，其存储系统使用海水作为阴极。根据科研人员在论文中的描述，该存储系统是电池和燃料电池之间的媒介，因此，可以把它看成是一种混合燃料电池。
  • 摘要：澳大利亚昆士兰科技大学（QUT）研究人员采用精细膜制备出了电动汽车用轻型超级电容器,可使电动汽车更节能。根据美国《每日科学》的新闻报道,昆士兰科技大学研究团队如果在纳米技术研究上取得突破,由车身面板供电的汽车可能很快就会问世了。研究人员用石墨烯和多壁碳纳米管（MWCNTs）成功制备出了轻型超级电容器,与常规电池结合使用后,可显著提高电动汽车的动力性能。
  • 摘要：Through the research of power battery volt-ampere characteristic curve, according to the method of consistency to sort cel s which, the method was used for power battery matrix matched group. The study shows that the wel performed dynamic and consistency characteristic, and simple, rapid and convenient separation were the advantages of the sorting batteries.%通过研究动力电池伏安特性曲线，根据其一致性来分选电池，该方法用于动力电池矩阵配组。经研究表明，通过此方法分选的电池具有动态特性一致性好，分选简单、快速、方便的优点。
  • 摘要：针对混合动力电动汽车(HEV)的电池管理系统诊断服务功能进行了分析和研究，基于ISO14229诊断服务的要求，设计了适合HEV的车用的电池管理系统诊断服务模块，对故障诊断开发过程中的故障监测、诊断数据管理和诊断服务方面进行针对性研究，并进行了实验验证，以验证开发设计的电池管理系统诊断服务功能是否满足设计要求。经过实车测试验证，设计的电池管理系统诊断服务功能性能可靠，完全满足设计目标。%Based on the requirements of ISO14229 diagnostic services, diagnostic services function of hybrid electric vehicle battery management system was analyzed and studied. The battery management system diagnostic service module suitable for HEV was designed. Pertinence research on fault monitoring, data management diagnosis and diagnostic services in the process of fault diagnosis development were taken to verify whether they can meet the design requirements. The test result of designed battery management system was testified by calculation and satisfy vehicle requirement.
  • 摘要：A method for measuring internal resistance of a storage battery based on differential equation was presented. The fol owing steps were comprised: a square wave generator was connected; measuring voltages at two ends of the square wave generator at the moment when the connected square wave generator was about to be disconnected;voltages at two ends of the square wave generator when the disconnected square wave generator was about to be connected and voltage at the moment of the connection of the disconnected square wave generator;and calculating ohm internal resistance value and polarization resistance value of the storage battery through a formula to judge the failure degree of the storage battery. The change of the internal resistance of the storage battery was more accurately so as to judge the failure degree of the storage battery more accurately. Compared with the prior measurement method, the calculation method of the invention was simpler and more convenient, and the measurement result was more reliable.%提出一种基于微分方程的蓄电池内阻测量方法，通过连接方波发生器，测定方波发生器接通情况下即将断开瞬间其两端的电压，方波发生器断开时即将接通瞬间其两端的电压，方波发生器断开情况下接通瞬间的电压，并通过公式计算获得蓄电池的欧姆内阻值和极化电阻值，用以判定蓄电池的失效程度。本方法能够更精确地反映蓄电池内阻的变化，从而更准确地判断蓄电池的失效程度。与原有测量方法相比较，该方法的计算更加简便，测量结果更加可靠。
  • 摘要：The concept of the battery pack SOC was redefined to estimate the battery pack SOC in real time. Battery pack structure and the individual variation of each cel into consideration were considered, and battery pack SOC definition was cleared. A battery pack estimation model based on Structural Logic Tree was proposed, in which the logical relationship of each cel could be described. Based on the arithmetic rule of structural logic tree, the quick estimation of battery pack SOC could be realized. Experiment shows that the method is quick and effective.%为了实时估算电池组SOC，分析了当前SOC定义的局限性，并考虑电池组的结构和单体电池的差异性，明确电池组SOC定义。提出基于结构逻辑树的电池组SOC估算模型，利用结构逻辑树描述电池组单体电池之间的逻辑关系，并基于结构逻辑树的运算规则，实现电池组SOC的快速估算。实验证明，该模型能够快速有效地估算电池组SOC。
  • 摘要：The fuel cel control er (FCC) was a component of a fuel cel system that could play an important role for steady and safe running of the system. How to ensure the hard real time, the high availability and the"non stop"service of a fuel cel system, were the key difficulty in technical. A master-slave fuel cel control er with double-computer backing up mode using the 32 bit ARM processor of NXP company as the CPU was proposed. Once a malfunction such as program halt of the master control er happens, the slave control er would automatical y take over the control work to do necessary actions until the fuel cel system shut down, thus the safe and stable operation of the system were guaranteed.%燃料电池控制器(FCC)作为燃料电池系统组件，对于燃料电池系统稳定而安全的工作起着重要作用。如何保证燃料电池系统的强实时性、高可靠性和服务“不断流”，一直是燃料电池控制器关键技术难点。针对PEMFC燃料电池，选用NXP公司32位ARM处理器作为控制器CPU，设计开发出一种主从机双机备份模式的燃料电池控制器，一旦主控制器发生诸如程序死机等故障,从控制器将迅速自动接管控制任务完成必要动作直至系统停机，确保系统的安全稳定运行。
  • 摘要：Due to the lack of cruising ability in HEV (Hybrid Electric Vehicle), along with concerns about environmental issues, a hybrid power source built from a battery and an ultracapacitor was used as vehicular power source and was charged during braking processes. Based on the rule of the lower ultracapacitor voltage, the less battery charging;the higher ultracapacitor voltage, the more battery charging, a fuzzy logic control strategy was adopted to supervise the braking energy. Simulation results obtained using Matlab/Simulink indicate that this method can effectively manage the energy distribution during regenerative braking processes and extend driving distance. Furthermore, an improvement in fuel economy and reduces pol utant emissions were provided.%针对混合动力汽车续航能力不足的缺陷，采用蓄电池与超级电容结合的复合电源作为车载电源，并在汽车制动过程中对车载电源进行充电。以“电容电量低，电池少充电；电容电量高，电池多充电”为原则，采用模糊控制策略对回馈能量进行管理。在Matlab/Simulink中搭建模糊控制下的车载复合电源回馈制动模型。仿真结果表明，该方法能够有效管理回馈制动过程的能量分配，延长汽车续驶里程，改善汽车燃油经济性并减少排放。
  • 摘要：In order to overcome the shortcomings of the stator flux and torque ripple existing in the conventional direct torque control system of permanent magnet synchronous motor, a fuzzy voltage vector selection control er was designed to replace the traditional voltage vector selection control er. On the basis of a detailed analysis of the factors affecting the ripple, while a adaptive stator flux observer based on the amplitude limiting integrator was put forward. Then the new system model was built using simulink. Simulation results show that the static and steady state of the direct torque control system can be improved by this new method.%针对永磁同步电机直接转矩控制中存在的定子磁链和电磁转矩脉动较大的问题，在详细分析影响脉动大小因素的基础上，设计了一种包含零矢量的模糊电压矢量选择控制器代替传统电压矢量选择控制器，同时提出了一种基于幅值限定积分器的自适应定子磁链观测器。并用Simulink建立了该新型直接转矩控制系统的仿真模型，仿真结果表明该方法提高了直接转矩控制系统的静态、稳态性能。
  • 摘要：在某些参数的情况下，永磁同步电机(PMSM)会出现混沌现象。利用滑模控制变结构控制原理，可以将含有扰动的系统混沌轨道先后控制到任意固定点和周期轨道，依据李雅普诺夫稳定性原理证明所设计的控制器可使得该系统逐渐达到稳定。仿真结果进一步验证了该方法的有效性，对电机运动的稳定性具有较好的价值。%In some parameters, permanent magnet synchronous motor (PMSM) was a chaos phenomenon. By using sliding mode control principle, the chaos system with distraction was gradual y control ed to arbitrary chosen fixed points and periodic orbits. The system was gradual y stable based on the Sliding Mode control principle of Lyapunov. The efficiency of this method was further demonstrated by the simulation results, and the stability of PWSM was in a good value.
  • 摘要：Now Z-Source inverter was a replacing traditional inverter and becoming a research focus. But the voltage stress was high both in DC input and the Z-source network in traditional Z-source inverters, and its wide application was restricted. In order to solve this problem, a new type Z-source structure with third harmonic injection control strategy was proposed. The principle and operation modes were analyzed. Compared with traditional boost-type Z-Source topologies, the proposed topology offered lower voltage sterss. What's more, soft-start strategy could be implemented to suppress the inrush surge arising in the start process. Final y, simulation results demonstrate good performance of the proposed inverter.%Z源逆变器凭借其独特的优点正逐步取代传统逆变器成为研究热点。但传统Z源逆变器直流侧电压应力过高，Z源网络电容电压应力过大，升压范围有限，这些不利因素限制了其应用范围。提出了一种新型的Z源逆变器拓扑采用三次谐波注入控制策略，详细分析了其工作原理。通过与简单升压控制方式下传统拓扑结构比较得出：新拓扑结合三次谐波注入控制可以显著减小直流侧电压及电容电压应力，同时能实现软启动减小启动过程的电压冲击。仿真结果验证了分析的正确性。
  • 摘要：To provide users with convenience to monitor the state of the wind electric system, a hand-held terminal was designed which using 32-bit ARM chips STM32 as control core, touch screen as input device, LCD as output device. It was communicated with wind electric system via Bluetooth, and to receive the col ected data. The information would be displayed on LCD and stored in FLASH chip, so that the historical data could be viewed by customers. The experiment results show that the hand terminal, which can provide users good experience, is simple, stable and reliable .%为了给用户提供一种监测和管理风电系统的直观手段，设计了一款手持设备，采用32位ARM芯片stm32作为MCU，彩色TFT触摸屏作为人机交互媒介，通过CLASS 1蓝牙模块与风电系统数据采集器进行无线通讯，获取风电系统的实时运行状态，将信息以图表方式反馈给用户；并将功率信息存储到闪存芯片中，以便用户按年、月、日发电量分别进行查询。实验结果及工业产品应用表明，该手持终端操作简便，稳定可靠，风电系统发电量历史数据图表响应快速，用户体验流畅。
  • 摘要：Insulated gate bipolar transistor (IGBT) power module as the key device of power electronic devices was widely used. The normal operation of the whole device or system was influenced by the working life and reliability. Then, the research of its reliability was significant. Accelerated aging test was an important method to study IGBT reliability problems. In the precondition of not changing the failure mechanism, the testing stress was improved, failure process was accelerated, the test time was shorten and the cost was saved. The failure mechanism of IGBT was analyzed. According to the IEC standard, IGBT dc power cycle accelerated aging test was designed and accelerated aging test system was built. The system was able to age device and monitor the change of parameters before and after aging. Research results provide an important basis for the research on the reliability of IGBT module and evaluation of health condition.%绝缘栅双极型晶体管(IGBT)功率模块作为电力电子设备的关键器件被广泛应用，其工作寿命与可靠性将影响到整个装置或系统的正常运行，对于IGBT可靠性研究具有重要意义。IGBT加速老化实验是研究IGBT可靠性问题的重要方法，其在不改变产品故障机制的前提下，提高实验应力，加速产品的故障进程，能有效缩短实验时间，节约成本。分析了IGBT的失效机理，依据IEC标准，设计了IGBT直流功率循环加速老化实验，自行设计搭建了IGBT加速老化实验系统，能够完成器件的老化以及监测老化前后器件参数的变化。研究成果为IGBT模块的可靠性研究以及健康状态评估提供了重要依据。
  • 摘要：Under Matlab/Simulink simulation environment, a 5 kW Single-phase Grid Connected Photovoltaic System which contains PV modules, Grid connected inverter and control er was designed. The control er with the function of Maximum Power Point Tracking (MPPT), the double closed loop control method was used. While the environment changes rapidly, based on fixed-step incremental conductance method and variable-step conductance increment method, the MPPT control effect and grid performance of the system were analyzed and compared. The simulation results show that, when using fixed-step incremental conductance method and the light intensity changes rapidly, the Total Harmonic Distortion (THD) for current which exceeds 3%does not meet the grid requirements; but the system can realize the accurate MPPT quickly while using variable-step increment conductance method, and the THD is less than 3%, power factor is close to 1.%在Matlab/Simulink仿真环境下，设计了含PV、并网逆变器和控制器三个模块的5 kW单相光伏并网逆变系统。控制器采用电压外环电流内环的双闭环控制方法，具有最大功率跟踪功能。在外界环境突变情况下，对比分析了变步长电导增量法和定步长电导增量法的最大功率跟踪控制效果以及系统并网性能。仿真结果表明，光照强度突变时，采用定步长电导增量法，并网谐波电流总畸变率超出3%，不满足并网要求，而采用变步长电导增量法，在温度和光照强度突变时，均可快速、准确实现最大功率跟踪控制，且并网谐波电流总畸变率低于3%，功率因数接近1。
  • 摘要：电压不稳定甚至崩溃是造成电力系统灾难性事故的主要原因之一，为了能够给调度人员争取控制时间，在线判断电力系统的稳定性和稳定裕度十分必要。将突变理论应用于系统电压的稳定性判断，并提出了基于燕尾突变流形的节点电压稳定性判断方法和指标，算例结果表明了该方法的有效性。%Power system voltage stability was one of the main reasons that cause the system to catastrophic accidents, and it was necessary to determine the stability of the power system and its margin online. It was the first attempt to apply catastrophe theory to judge voltage stability of the system and node, and voltage index indicating margin of voltage stability based on swal owtail manifold was proposed. The effectiveness of the proposed method was validated by the numerical result.
  • 摘要：针对带电作业中安全防护的重要性，介绍了一个绝缘用具沿面检测装置的硬件电路设计方案。该电路设计简单、原理清晰，具有调压和稳压双重功能。对以SG3525芯片为核心实现2.5 kV电压的高压产生电路，以及对存在缺陷的绝缘用具给出报警指示的电路作出了详细的研究。在设计的最后，还对电路进行了实验研究，验证了电路设计的合理性与正确性。%For the safe protection of live working necessary, a hardware circuit design of surface detection device of insulated tools was summarized. There was a simple design and clear principles for the circuit. The circuit had two functions that were voltage regulator and regulated. 2.5 kV high voltage generating circuit, which was based on SG3525 and alarm circuit for defective insulation were made a detailed study. At last, the circuit was experimented. The result of experiment which proved the design of circuit is reasonable and correct.
  • 摘要：Abastract: A power quality monitoring system based on FPGA was designed according to the actual needs of electrical testing. The performance of the system was optimized through the fol owing aspects:increasing of two-way memory between data acquisition module and data processing module, increasing of the magnetic coupling isolator between sensor and signal conditioning circuit, analyzing of the harmonic though the FFT algorithm, adjusting of the acquisition frequency in real-time through the phase-locked frequency multiplication. Experiment proves that the system is with high measurement accuracy, timeliness, stability and feasibility.%依据电力测试的实际需求，提出了基于FPGA的电能质量监测系统。通过以下几方面对系统的性能进行优化：数据采集模块与数据处理模块之间增加双向存储器，传感器与信号调理电路增加磁耦隔离器，应用FFT算法对谐波进行分析，通过锁相倍频实时调整采集频率。实验验证了系统具有较高的测量精度、实时性、稳定性、可行性。
  • 摘要：为了更好地抑制锂硫电池中硫/多硫化物的溶解,提高循环稳定性,近日,GM全球研发中心的科研人员开发了双层核壳结构的聚合物涂覆碳硫正极。为了满足电动车和电网固定储能对高能量密度电池的巨大需求,人们将目光转向了锂离子电池,因为它相对比能量和功率密度高,而且维护成本低。不过,目前所用的商业锂离子电池由于受到正极材料的限制,可用容量比较低（低于200 m Ah/g）。因此,开发一种新的比容量和能量密度都更高的正极材料就非常有必要。
  • 摘要：日本国际氢能与燃料电池展展会日期：2015年2月25-27日展出城市：东京展馆名称：东京有明展览中心举办周期：每年一届该展2005年开始举办,是日本国际太阳能展览会的7个子展之一。该系列展借助展会主办方-励展集团的全球资源和日本太阳能技术的研发优势,已成为开拓日本这个世界第二大太阳能市场以及不断成长的亚洲太阳能市场的最佳平台。展会同期将举办多个专业论坛、研讨会及特别讲座,展示最先进的太阳能技术,预测行业发展趋势。
  • 摘要：The batteries used in portable wireless communication devices were with recovery effect. When discharge in the non-continuous mode, the energy conversion efficiency of battery was improved significantly. Therefore, the rational design of battery discharge mode had a positive gain for low power wireless communication design. Complex physical and chemical reaction were involved in recovery effect of battery. It was difficult to establish a simple and practical mathematical model. The experiments for the battery performance with different discharge duty cycle was performed. The experimental results show that the battery conversion efficiency gets higher when discharge duty cycle gets smal er, but there is a threshold of discharge duty cycle.%便携式无线通信设备使用的电池都具有恢复效应，在非连续放电模式下放电时，电池的能量转换效率明显提高，所以合理设计电池的放电模式对于低功耗无线通信设计具有积极的意义。电池的恢复效应涉及复杂的物理化学反应，不易建立简单实用的数学模型，通过电池放电实验，给出电池在不同放电占空比条件下的性能曲线。实验结果表明，随放电占空比的减小，电池能量转换效率不断提高，但存在放电占空比门限。
  • 摘要：提出了一种基于析气量控制的蓄电池充电系统。通过一系列蓄电池析气实验，发现了析气速度、析气总量在充电过程中的变化规律，找到了在蓄电池充电过程中，析气控制器参与控制的关键参数范围，从而组成了以析气量为输出的蓄电池充电闭环控制系统。%A battery charging system based on gas evolution volume was put forward. Through numeral battery gas evolution experiment, some variable properties about gas evolution speed and volume were verified. Key reference for the design of gas evolution on battery charging was provided. Then the closed loop control of battery charging system on gas evolution volume was presented.
  • 摘要：为了实现对铁路车辆用蓄电池的测试与维护，介绍了以ARM芯片为核心，采用模块化设计的蓄电池性能监测仪。监测仪能够针对多种类型蓄电池实现核对性放电、短时容量测试和数据管理等功能，着重介绍主机和分机的电路结构，以及软件设计。经过实际应用，监测仪运行稳定可靠，大大提高了测试和维护效率。%A battery monitoring instrument based on the ARM chip and the modular design was designed to solve battery test and maintenance which used on railway vehicle. Check discharge, quick capacity test and data processing functions could be performed on several types of battery through the instrument. The circuit structure of host and device and the software design were mainly introduced. The instrument was working wel , and testing and maintaining efficiency were improved.
  • 摘要：车用燃料电池系统发电的同时释放大量热量，必须构建适合的热管理系统以确保系统性能和可靠性。在分析车用燃料电池热管理系统工作原理基础上，建立了面向控制的计及电堆、空气冷却器、氢气热交换器、旁路阀、散热片和冷却水循环泵模型的燃料电池热管理系统模型，并通过仿真实验研究了电堆电流、冷却液流速、散热片表面风速、旁路阀开度与燃料电池温度的关系；讨论了它们对空气冷却器、氢气热交换器、电堆及散热器入口与出口温度差的影响。模拟结果可以为燃料电池热管理控制系统设计提供指导和帮助。%A proton exchange membrane fuel cel (PEMFC) for vehicle application would release abundant heat when generating electricity, then a heat management system was required to assure the performance and reliability of the system. A control-oriented thermal model was developed based on the mechanical structure of a PEMFC heat management system for vehicle application, including models of the fuel cel stack, air cooler, hydrogen heat exchange, bypass valve, radiator and coolant pump. Simulations based on the developed model were carried out to study the relations between stack temperature and stack current, coolant flow rate, air flow speed cross the radiator, bypass valve opening position;and the influence of these factors to temperature difference between inlet and outlet of components including air cooler, hydrogen heat exchange, radiator and stack were also discussed. The simulation results could be used to instruct optimal thermal control er design for PEMFC system for automobiles.

    电源技术的期刊信息

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      Engineering: Electrical and Electronic Engineering;

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