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2023 IEEE 17th International Conference on Compatibility, Power Electronics and Power Engineering (CPE-POWERENG)最新文献

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Vehicle Energy Management System: a survey 车辆能源管理系统:一项调查
Jessica Gissella Maradey Lázaro, Arly Darío Rincón Quintero, Gianina Garrido Silva, Rolando Antonio Gilbert Zequera
The development of the energy management systems (EMS) improves the energy efficiency of vehicular systems, control operational factors and behavior of electromechanical components by appropriating machine learning and IoT techniques, making the systems more intelligent, sustainable, and interconnected. Specially, the inclusion of technology such as Industry 4.0 have allowed to improve the range of operation, control and optimization of autonomous vehicles. In fact, EMS have become relevant with the emergence of electrical vehicles (EV’s) and are proposed as an alternative to minimize dependence on fossil fuels, mitigation of negative ecological impacts, increase safety, also suggest efforts to achieve new energy sources, charge stations, decisions about final disposal of components and life cycle prediction which can be summed up in the need for more technological coverage. This article aims to show the framework about the EMS based on concepts, differences, advantages and disadvantages of the EV’s.
能源管理系统(EMS)的发展通过利用机器学习和物联网技术,提高了车辆系统的能源效率,控制了机电组件的运行因素和行为,使系统更加智能、可持续和互联。特别是,工业4.0等技术的加入可以提高自动驾驶汽车的操作范围,控制和优化。事实上,EMS已经与电动汽车(EV)的出现相关,并被提议作为一种替代方案,以尽量减少对化石燃料的依赖,减轻负面生态影响,提高安全性,也建议努力实现新能源,充电站,决定最终处置组件和生命周期预测,这可以总结为需要更多的技术覆盖。本文旨在从电动汽车的概念、差异、优缺点等方面阐述电动汽车环境管理体系的框架。
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引用次数: 0
Optimized Pulse Patterns for Anisotropic Synchronous Machines 各向异性同步电机的优化脉冲模式
Eleftherios Kontodinas, P. Karamanakos, Andreas Kraemer, Sebastian Wendel
Advanced optimized pulse patterns (OPPs) that account for the magnetic anisotropy of permanent magnet synchronous motors (PMSMs) have recently gained the attention of the automotive industry due to the improvements they offer in the current quality. However, these improvements can lead to torque quality degradation and an increased dc-link current ripple. To address this problem, a hybrid modulation scheme that combines isotropic and anisotropic OPPs is proposed in this paper to achieve the best overall performance over the whole range of operating points. To do so, as shown with the presented results, different OPPs are assessed and those with the best overall performance are selected.
先进的优化脉冲模式(opp),考虑到永磁同步电机(pmms)的磁各向异性,最近得到了汽车行业的关注,因为它们提供了当前质量的改进。然而,这些改进会导致转矩质量下降和直流电流纹波增加。为了解决这一问题,本文提出了一种结合各向同性和各向异性opp的混合调制方案,以在整个工作点范围内实现最佳的综合性能。为此,如所展示的结果所示,评估了不同的opp,并选择了综合性能最好的opp。
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引用次数: 1
AC/DC Four-Switches Boost Buck Converter for EV Battery Charging 用于电动汽车电池充电的交/直流四开关升压降压变换器
Mamoud Nassary, E. Vidal‐Idiarte, J. Calvente
Nowadays, the on-board battery charger is a high dominant trend in research. For the AC/DC stage, many topologies are proposed worldwide without having true benchmarks among these different structures. Conventional single switch buck-boost converters were utilized earlier in various applications. However, it could not meet the requirements of the on-board battery charger due to higher component stresses and low reliability in high-power applications. Thus, AC/DC four switches boost buck converters are desirable, in which the boost cascaded with buck is superior because of the primary benefit of having a continuous input current. Moreover, they are more reliable, highly efficient, and have a significant operating capability as buck or boost mode according to the battery state of charge. This paper will examine four different kinds of four switches boost buck by comparing their input current ripple and magnet design. Furthermore, the lowest input current ripple converter will be selected for modeling and validate it experimentally.
车载充电器是目前研究的一个高度主导的趋势。对于AC/DC阶段,世界范围内提出了许多拓扑结构,但在这些不同的结构之间没有真正的基准。传统的单开关降压-升压变换器在各种应用中使用较早。但在大功率应用中,由于元件应力较大,可靠性较低,不能满足车载电池充电器的要求。因此,交流/直流四开关升压降压转换器是可取的,其中升压级联降压是优越的,因为具有连续输入电流的主要好处。此外,它们更可靠,效率更高,并且根据电池充电状态具有显着的降压或升压模式操作能力。本文将通过比较四种开关的输入电流纹波和磁体设计来研究四种不同类型的升压降压。此外,将选择输入电流最小的纹波变换器进行建模并进行实验验证。
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引用次数: 0
Real-Time Thermal Evaluation of Power Converters in Microgrids by Device Current Reconstruction 基于器件电流重构的微电网变流器实时热评估
Yubo Song, Subham S. Sahoo, Yongheng Yang, Frede Blaabjerg, Y. Li
Real-time simulation is increasingly employed in the validation of power electronics and systems, showing great potential in terms of flexibility and efficiency. With it, electrical behaviors of power converters can be simulated with high accuracy. However, when evaluating the reliability of converters, the switching behaviors of power semiconductors should be simulated, which normally requires a rather high sampling rate and powerful computational capability of the hardware platforms, and such simulations usually take much time Therefore, an efficient approach is introduced in this article to evaluate the thermal performances of power devices. Compared to the prior-art methods, the required sampling rate is much lower, and the proposed approach is also simpler, as only the three-phase current is sampled. The junction temperatures can be simulated with high accuracy. Preliminary results have also validated the effectiveness of this approach.
实时仿真越来越多地应用于电力电子和系统的验证,在灵活性和效率方面显示出巨大的潜力。利用该方法可以高精度地模拟电源变换器的电学行为。然而,在评估变换器的可靠性时,需要模拟功率半导体的开关行为,这通常需要较高的采样率和硬件平台强大的计算能力,而这种模拟通常需要花费大量的时间。因此,本文介绍了一种有效的方法来评估功率器件的热性能。与现有技术方法相比,所需的采样率要低得多,并且所提出的方法也更简单,因为只对三相电流进行采样。结温的模拟精度较高。初步结果也证实了这种方法的有效性。
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引用次数: 0
EV-Permanent Magnet Synchronous Motor Control Strategy Evaluation Based on Digital Twin Concept 基于数字孪生概念的ev -永磁同步电机控制策略评估
M. Ibrahim, V. Rjabtšikov
Digital twins (DTs) are playing a vital role nowadays in the EV industry. Since their inception, DTs have contributed significantly to the research development process. PMSMs are, are widely used in electric vehicles (EVs) due to their simple structure, good heat radiation capability, and high efficiency. In this paper, the performance of an EV-PMSM control strategy is evaluated based on DT concept. General principles of DT technology were discussed. The performance control model of PMSM was derived. Field-oriented control (FOC) and direct torque control (DTC) strategies for EVPMSM were discussed and compared. The PMSM DT architecture including physical, virtual, and service unit (data exchange) was proposed. EV-PMSM DT primarily functioned to evaluate the motor control algorithm. The motor’s actual speed was compared to the estimated one by its DT. The obtained results showed the effectiveness of the proposed DT to estimate the motor speed which would be used to develop a speed estimator to optimize the motor control strategy.
如今,数字孪生(dt)在电动汽车行业发挥着至关重要的作用。自成立以来,DTs对研究发展进程作出了重大贡献。永磁同步电动机具有结构简单、热辐射性能好、效率高等优点,在电动汽车中得到了广泛的应用。本文基于DT概念对EV-PMSM控制策略的性能进行了评价。讨论了DT技术的一般原理。建立了永磁同步电机的性能控制模型。对EVPMSM的磁场定向控制(FOC)和直接转矩控制(DTC)策略进行了讨论和比较。提出了包括物理单元、虚拟单元和业务单元(数据交换)在内的PMSM DT体系结构。EV-PMSM DT主要用于评估电机控制算法。将电机的实际转速与其DT估计的转速进行比较。得到的结果表明,所提出的DT估计电机速度的有效性,可用于开发速度估计器来优化电机控制策略。
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引用次数: 0
The Effect of Non-Coordinated Heating Electrification Alternatives on a Low-Voltage Distribution Network with High PV Penetration 非协调供热电气化替代方案对高光伏渗透率低压配电网的影响
J. Alpízar-Castillo, L. Ramirez-Elizondo, P. Bauer
The energy transition requires electrical alternatives for domestic heating. Heat pumps are the most common alternatives to gas boilers. However, heat pumps consume a significant amount of electrical power. We simulated an 18-node low voltage network with five buildings with six apartments each to evaluate the effect of deploying heat pumps as part of multi-carrier energy systems at the residential level. We also combined heat pumps with solar collectors and thermal energy storage to quantity whether a more complex system benefits the low-voltage network. Replacing the gas boilers for heat pumps in the majority of the buildings resulted in voltage drops below the limit of the standard EN50160. The voltage drops were significantly improved when we included solar collectors and thermal energy storage in the domestic heating system.
能源转型需要电力替代家庭供暖。热泵是燃气锅炉最常见的替代品。然而,热泵消耗大量的电力。我们模拟了一个18节点的低压网络,其中有五栋建筑,每栋建筑有六套公寓,以评估在住宅层面部署热泵作为多载波能源系统的一部分的效果。我们还将热泵与太阳能集热器和热能储存相结合,以确定一个更复杂的系统是否有利于低压电网。在大多数建筑物中,将燃气锅炉替换为热泵导致电压降至低于标准EN50160的限值。当我们在家庭供暖系统中加入太阳能集热器和热能储存时,电压降明显改善。
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引用次数: 0
Estimation of the power of a thermoelectric harvester for low and ultra-low temperature gradients using a dimensional analysis method 用量纲分析法估计低温和超低温梯度下热电收割机的功率
S. Lineykin, A. Kuperman, M. Sitbon
When modeling a thermoelectric harvester operating at low (below 100 degrees Celsius) and ultra-low (below 10 degrees Celsius) temperature gradients, the output power of the harvester is small, which means that even minor errors in the model parameters can lead to an error exceeding the result itself. The proposed dimensional analysis allows us to narrow down the number of model parameters, leaving only those parameters that can be measured with sufficient accuracy. In addition, a guide for the optimal selection of a thermoelectric module for a given thermal path is proposed. Experimental data confirm the theoretical analysis.
当对在低(低于100摄氏度)和超低(低于10摄氏度)温度梯度下工作的热电采集器进行建模时,采集器的输出功率很小,这意味着即使模型参数中的微小误差也可能导致超过结果本身的误差。所提出的量纲分析使我们能够缩小模型参数的数量,只留下那些能够以足够的精度测量的参数。此外,针对给定的热路径,提出了热电模块的最佳选择指南。实验数据证实了理论分析。
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引用次数: 0
Three-Level Optimized Pulse Patterns with Zero Common-Mode Voltage 零共模电压的三电平优化脉冲模式
Isavella Koukoula, P. Karamanakos, T. Geyer
This paper investigates the computation of three-level optimized pulse patterns (OPPs) with zero common-mode voltage (CMV). To do so, a set of linear constraints that guarantee zero CMV is derived, and a systematic way of implementing it is presented. Moreover, to alleviate the increased computational demands of the associated optimization problem, a method that can reduce the computational time of three-level OPPs with zero CMV by up to 99% is proposed. Finally, to mitigate the increased current harmonics due to the CMV elimination, the symmetry requirements of the OPPs are relaxed. In doing so, as shown by the presented numerical results, the current quality can be improved, but alas, only marginally and over a limited range of modulation indices.
本文研究了零共模电压(CMV)下三电平优化脉冲模式(OPPs)的计算。为此,导出了保证零CMV的一组线性约束,并给出了系统的实现方法。此外,为了缓解相关优化问题的计算需求增加,提出了一种可以将零CMV的三电平opp的计算时间减少99%的方法。最后,为了减轻由于CMV消除而增加的电流谐波,对opp的对称性要求放宽。这样做,正如所提出的数值结果所示,电流质量可以得到改善,但遗憾的是,只能在有限的调制指数范围内略微改善。
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引用次数: 0
Stationary fuel cell power supply for railway electrification systems 铁路电气化系统固定式燃料电池电源
Steffen Roth, P. Tricoli
The reduction of CO2 emissions in the transport sector is one of the main objectives of the railway industry. Reliable railway operations require a dynamic and reliable energy supply and a direct access to renewable energy sources. Stationary fuel cell systems allow a decentralised power supply to reduce the grid dependency and allow the direct usage of green hydrogen, which can be produced in the vicinity of the railway line. The good transportability of hydrogen as a long-term energy storage medium in combination with the low maintenance and infrastructure cost of stationary fuel cells make hydrogen a viable solution for the electrification of some railway lines. Because of the good efficiency and the possibility of usage in co-generation systems, solid-oxide fuel cells systems would support the targeted environmental goals. By utilising and extending the existing infrastructure of catenary electrified tracks and operating with a simplified mobile application, a low maintenance and efficient stationary energy generation technology is proposed in this paper, to allow a cost-and energy-efficient decarbonisation of the railway industry.
减少运输部门的二氧化碳排放是铁路行业的主要目标之一。可靠的铁路运营需要动态可靠的能源供应和可再生能源的直接使用。固定燃料电池系统允许分散的电力供应,以减少对电网的依赖,并允许直接使用绿色氢,绿色氢可以在铁路线附近生产。氢作为一种长期能量储存介质的良好可移植性,加上固定式燃料电池的低维护和基础设施成本,使氢成为一些铁路线电气化的可行解决方案。由于其良好的效率和在热电联产系统中使用的可能性,固体氧化物燃料电池系统将支持既定的环境目标。通过利用和扩展接触网电气化轨道的现有基础设施,并通过简化的移动应用程序操作,本文提出了一种低维护和高效的固定能源发电技术,以实现铁路行业的成本和节能脱碳。
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引用次数: 0
A Novel Bridgeless Interleaved-Based Dual-Output Boost-Type PFC Rectifier 一种新型无桥交错双输出升压型PFC整流器
Vítor Monteiro, João Martins, J. Afonso
Power factor correction (PFC) rectifiers is an old topic of research, which is assuming extra applicability to alleviate power quality complications in modern power grids. In this background, this paper proposes a novel PFC rectifier, which has as core differentiating characteristics the bridgeless structure, the interleaved current control, the operation with three voltage levels, and the dual output voltage. The proposed PFC rectifier works as a boost voltage topology, but offering an asymmetrical split dc-link, which can be advantageous in many applications as an AC-DC front-end converter. For all power range, the proposed PFC rectifier ensures a sinusoidal AC current in phase with the voltage, and controlled dc-link asymmetrical voltages. The paper outlines a broad clarification of the proposed topology, the operation principle, the employment of the control theory, and a set of computational results, attained with an AC voltage of 230 V - 50 Hz and a split DC-link voltage stabilized at 400 V. The proof of the topology and control of the proposed PFC rectifier is performed in steady-state, and also for sudden variations of the operation power.
功率因数校正(PFC)整流器是一个古老的研究课题,在缓解现代电网的电能质量复杂性方面被赋予了额外的适用性。在此背景下,本文提出了一种新型的PFC整流器,其核心特征是无桥结构、交错电流控制、三电压电平运行和双输出电压。所提出的PFC整流器作为升压拓扑工作,但提供不对称分裂dc链路,这可以在许多应用中作为AC-DC前端转换器是有利的。对于所有功率范围,所提出的PFC整流器确保正弦交流电流与电压相一致,并控制直流链路不对称电压。本文概述了所提出的拓扑结构、工作原理、控制理论的应用以及一组计算结果,这些结果是在交流电压为230 V - 50 Hz和分裂直流链路电压稳定在400 V时获得的。所提出的PFC整流器的拓扑和控制的证明是在稳态下进行的,也适用于工作功率的突然变化。
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引用次数: 0
期刊
2023 IEEE 17th International Conference on Compatibility, Power Electronics and Power Engineering (CPE-POWERENG)
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