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2022 International Power Electronics Conference (IPEC-Himeji 2022- ECCE Asia)最新文献

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Common Mode Voltage Reduction and Neutral-Point Voltage Balance for Quasi-Z-Source Three-Level Neutral-Point-Clamped Inverters 准z源三电平中性点箝位逆变器的共模压降和中性点电压平衡
2022 International Power Electronics Conference (IPEC-Himeji 2022- ECCE Asia) Pub Date : 2022-05-15 DOI: 10.23919/IPEC-Himeji2022-ECCE53331.2022.9806905
Wenjie Liu, Yongheng Yang, Weilin Li, Xiaobin Zhang, O. Husev, D. Vinnikov
{"title":"Common Mode Voltage Reduction and Neutral-Point Voltage Balance for Quasi-Z-Source Three-Level Neutral-Point-Clamped Inverters","authors":"Wenjie Liu, Yongheng Yang, Weilin Li, Xiaobin Zhang, O. Husev, D. Vinnikov","doi":"10.23919/IPEC-Himeji2022-ECCE53331.2022.9806905","DOIUrl":"https://doi.org/10.23919/IPEC-Himeji2022-ECCE53331.2022.9806905","url":null,"abstract":"The three-level neutral-point-clamped (NPC) quasi-Z-source inverter (qZSI) is a promising power converter for renewable applications, where low total harmonic distortion and adjustable output voltage are highly demanded. Similar to the conventional transformerless three-level NPC inverter, common-mode voltage (CMV) and neutral-point voltage (NPV) issues should be addressed properly for the NPC-qZSI. Thus, this paper proposes a new control strategy for the NPC-qZSI to reduce CMV and balance NPV simultaneously by taking advantage of an additional control freedom enabled by the impedance network, i.e., three types of shoot-through states. The proposed strategy can achieve the CMV reduction by choosing the essential switching vectors with acceptable CMVs, while the NPV can be balanced by rearranging the chosen switching vectors in a switching cycle. Experimental tests are provided, which verify the effectiveness of the proposed strategy in terms of CMV reduction and NPV balancing.","PeriodicalId":256507,"journal":{"name":"2022 International Power Electronics Conference (IPEC-Himeji 2022- ECCE Asia)","volume":"82 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2022-05-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"116066142","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Temperature Sensorless Thermal Management Strategy for Interleaving Power Converters 交错电源转换器无温度传感器热管理策略
2022 International Power Electronics Conference (IPEC-Himeji 2022- ECCE Asia) Pub Date : 2022-05-15 DOI: 10.23919/IPEC-Himeji2022-ECCE53331.2022.9807012
Zehui Li, Mingde Zhou, Haoyu Wang
{"title":"Temperature Sensorless Thermal Management Strategy for Interleaving Power Converters","authors":"Zehui Li, Mingde Zhou, Haoyu Wang","doi":"10.23919/IPEC-Himeji2022-ECCE53331.2022.9807012","DOIUrl":"https://doi.org/10.23919/IPEC-Himeji2022-ECCE53331.2022.9807012","url":null,"abstract":"Conventionally, to achieve thermal balance in interleaving power conversion systems, temperature sensor-based closed-loop control is required. However, temperature sensing is typically slow and cannot accurately measure the junction temperature of power semiconductors in real-time. To resolve this issue, this paper proposes a novel thermal management strategy for interleaving power converters. It is based on the weighted current sharing strategy and gets rid of the temperature sensors. The loss model of power semiconductors is established to characterize the thermal performance. Fast closed-loop control is implemented to achieve thermal balance. To verify the proposed concept, a two-phase interleaved buck converter is designed to serve as the case study. The results show that 1) the designed prototype can regulate the output voltage tightly to the reference; 2) the output currents of each module are balanced utilizing a current-sharing loop; 3) thermal balance without temperature-sensing is achieved using the proposed loss-sharing-loop.","PeriodicalId":256507,"journal":{"name":"2022 International Power Electronics Conference (IPEC-Himeji 2022- ECCE Asia)","volume":"134 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2022-05-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"123380727","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 1
Impact of Magnet Temperature Distribution on Output Capability of PMSM and its Estimation Methodology 磁体温度分布对永磁同步电机输出能力的影响及其估计方法
2022 International Power Electronics Conference (IPEC-Himeji 2022- ECCE Asia) Pub Date : 2022-05-15 DOI: 10.23919/IPEC-Himeji2022-ECCE53331.2022.9806907
Kensuke Sasaki, Atsushi Okada, Takashi Kato, Kan Akats
{"title":"Impact of Magnet Temperature Distribution on Output Capability of PMSM and its Estimation Methodology","authors":"Kensuke Sasaki, Atsushi Okada, Takashi Kato, Kan Akats","doi":"10.23919/IPEC-Himeji2022-ECCE53331.2022.9806907","DOIUrl":"https://doi.org/10.23919/IPEC-Himeji2022-ECCE53331.2022.9806907","url":null,"abstract":"This paper discusses impact of magnet temperature distribution on shaft direction on PMSM output capability and a concept to estimate magnet temperature distribution regarding a radial airgap type PMSM to maximize magnet utilization while avoiding thermal demagnetization. A 100kW class traction application PMSM is designed and its output capability degradation depending on acceptable maximum magnet temperature is calculated. A concept to obtain maximum magnet temperature on shaft direction is introduced as well. This concept utilizes a step-skewed rotor structure, and estimates average temperature of each skewed rotor core by using magnet temperature dependence of total flux linkage. By assuming magnet temperature linearly varies on shaft direction, its distribution is calculated by linear extrapolation. Total flux linkages under several skewed rotor core temperature combinations are calculated by 3D finite element analysis (FEA). The result shows total flux linkage under specific core temperature combination has unique value. So, it is confirmed the temperature of each core can be estimated independently.","PeriodicalId":256507,"journal":{"name":"2022 International Power Electronics Conference (IPEC-Himeji 2022- ECCE Asia)","volume":"11 4","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2022-05-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"113976793","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
A Method to Design Capacity of Onboard Energy Storage Device for Emergency Operation Based on Effective Balance of Power and Energy 基于功率与能量有效平衡的应急运行车载储能装置容量设计方法
2022 International Power Electronics Conference (IPEC-Himeji 2022- ECCE Asia) Pub Date : 2022-05-15 DOI: 10.23919/IPEC-Himeji2022-ECCE53331.2022.9807248
Hiroyasu Kobayashi, K. Kondo, M. Miyatake, T. Koseki
{"title":"A Method to Design Capacity of Onboard Energy Storage Device for Emergency Operation Based on Effective Balance of Power and Energy","authors":"Hiroyasu Kobayashi, K. Kondo, M. Miyatake, T. Koseki","doi":"10.23919/IPEC-Himeji2022-ECCE53331.2022.9807248","DOIUrl":"https://doi.org/10.23919/IPEC-Himeji2022-ECCE53331.2022.9807248","url":null,"abstract":"Recently, Energy Storage Devices (ESDs) are introduced to railway vehicles in order to operate even in an emergency case such as power outage. However, no simultaneous design methods of power capacity and energy capacity of onboard ESD for emergency operation have been proposed. In this paper, a model for the calculation of power and energy capacity of onboard ESD which are utilized in an emergency case is proposed. Furthermore, we proposed a method to design power and energy capacity of onboard ESD considering required power for traction and auxiliary power supply system.","PeriodicalId":256507,"journal":{"name":"2022 International Power Electronics Conference (IPEC-Himeji 2022- ECCE Asia)","volume":"6 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2022-05-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"121069016","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Model Extraction for Power Electronics Systems Using Vector Fitting Based on Sampling Optimized Method 基于采样优化方法的矢量拟合电力电子系统模型提取
2022 International Power Electronics Conference (IPEC-Himeji 2022- ECCE Asia) Pub Date : 2022-05-15 DOI: 10.23919/IPEC-Himeji2022-ECCE53331.2022.9807102
Zipeng Liu, Jinjun Liu, Zeng Liu
{"title":"Model Extraction for Power Electronics Systems Using Vector Fitting Based on Sampling Optimized Method","authors":"Zipeng Liu, Jinjun Liu, Zeng Liu","doi":"10.23919/IPEC-Himeji2022-ECCE53331.2022.9807102","DOIUrl":"https://doi.org/10.23919/IPEC-Himeji2022-ECCE53331.2022.9807102","url":null,"abstract":"Models of power electronics systems are the basis for further analysis and control, so the vector fitting, a widely used data-driven modeling approach, becomes par-ticularly important. However, vector fitting often requires a large number of frequency response measurement points, otherwise it may converge to an inaccurate model. To address this issue, this paper uses the sampling optimized method to obtain a more reasonable distribution of measure-ment points before vector fitting. This paper demonstrates that combining these two methods can effectively improve the accuracy of the fitted model. Numerical tests prove its effectiveness.","PeriodicalId":256507,"journal":{"name":"2022 International Power Electronics Conference (IPEC-Himeji 2022- ECCE Asia)","volume":"44 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2022-05-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"124117081","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
PM Magnetic Levitation Train Using Hybrid Electromagnetic- and Electrodynamic-Suspension System 采用电磁与电动力混合悬浮系统的PM磁悬浮列车
2022 International Power Electronics Conference (IPEC-Himeji 2022- ECCE Asia) Pub Date : 2022-05-15 DOI: 10.23919/IPEC-Himeji2022-ECCE53331.2022.9806950
Shun Inoue, Y. Fujimoto
{"title":"PM Magnetic Levitation Train Using Hybrid Electromagnetic- and Electrodynamic-Suspension System","authors":"Shun Inoue, Y. Fujimoto","doi":"10.23919/IPEC-Himeji2022-ECCE53331.2022.9806950","DOIUrl":"https://doi.org/10.23919/IPEC-Himeji2022-ECCE53331.2022.9806950","url":null,"abstract":"Recently, several studies have been conducted on magnetic levitation (maglev) trains for their development. This study investigates the methods of magnetic levitation railway and proposes a maglev train model. The proposed model focuses on low power consumption and stability, which are realized using two support methods: hybrid electromagnetic- and electrodynamic-suspension system. In this study, the theoretical formulas of the electromagnetic forces generated in the theoretical model are derived and compared with results of the analysis that uses the finite-element method.","PeriodicalId":256507,"journal":{"name":"2022 International Power Electronics Conference (IPEC-Himeji 2022- ECCE Asia)","volume":"1 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2022-05-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"125373563","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
A Unified PWM Strategy to Reduce Minimum Switching Number for Matrix Converters 减少矩阵变换器最小开关数的统一PWM策略
2022 International Power Electronics Conference (IPEC-Himeji 2022- ECCE Asia) Pub Date : 2022-05-15 DOI: 10.23919/IPEC-Himeji2022-ECCE53331.2022.9807207
Paiboon Kiatsookkanatorn, S. Sangwongwanich
{"title":"A Unified PWM Strategy to Reduce Minimum Switching Number for Matrix Converters","authors":"Paiboon Kiatsookkanatorn, S. Sangwongwanich","doi":"10.23919/IPEC-Himeji2022-ECCE53331.2022.9807207","DOIUrl":"https://doi.org/10.23919/IPEC-Himeji2022-ECCE53331.2022.9807207","url":null,"abstract":"From several PWM methods with minimum switching numbers, this paper proposes a unified PWM strategy to reduce the minimum switching number for matrix converters. In this paper, the carrier-based dipolar modulation and general solution of modulation matrix are used to generate the PWM signals which encompass all well-known PWM with 6 BSOs. The research results reveal that a unified PWM strategy can be done. The space-vector modulation, which is a complex and intensive calculation can be realized easily using the proposed PWM method.","PeriodicalId":256507,"journal":{"name":"2022 International Power Electronics Conference (IPEC-Himeji 2022- ECCE Asia)","volume":"92 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2022-05-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"126189052","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 2
Optimized Energy Allocation Method Based on Capital Asset Pricing Model for Multi-use of Battery Energy Storage System 基于资本资产定价模型的多用途电池储能系统优化能量分配方法
2022 International Power Electronics Conference (IPEC-Himeji 2022- ECCE Asia) Pub Date : 2022-05-15 DOI: 10.23919/IPEC-Himeji2022-ECCE53331.2022.9807094
K. Yuasa, Yoshiharu Takeuchi, T. Babasaki, Ichiro Omura
{"title":"Optimized Energy Allocation Method Based on Capital Asset Pricing Model for Multi-use of Battery Energy Storage System","authors":"K. Yuasa, Yoshiharu Takeuchi, T. Babasaki, Ichiro Omura","doi":"10.23919/IPEC-Himeji2022-ECCE53331.2022.9807094","DOIUrl":"https://doi.org/10.23919/IPEC-Himeji2022-ECCE53331.2022.9807094","url":null,"abstract":"We propose an optimized energy allocation method for multi-use applications of battery energy storage systems (BESS). The proposed method uses the capital asset pricing model (CAPM), an expansion of portfolio theory used in financial engineering, to quantitatively evaluate the expected return and risk resulting from the energy allocation of BESS. By using this method, it is possible to determine the maximum expected return for the selected acceptable risk. The predictability is further improved by applying an ensemble approach to the proposed method. We report the results of a case study on the effectiveness of the proposed method for three energy trading markets. The results revealed a mean absolute error of approximately 2.0% between the expected return of the proposed method and the actual return.","PeriodicalId":256507,"journal":{"name":"2022 International Power Electronics Conference (IPEC-Himeji 2022- ECCE Asia)","volume":"81 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2022-05-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"125905567","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Common Mode Noise Reduction of Two-Phase Interleaved Boost Converters with Integrated Magnetics Utilizing Balanced Technique 利用平衡技术降低两相交错集成磁升压变换器的共模噪声
2022 International Power Electronics Conference (IPEC-Himeji 2022- ECCE Asia) Pub Date : 2022-05-15 DOI: 10.23919/IPEC-Himeji2022-ECCE53331.2022.9806834
Tomotaka Nagai, Mamoru Sasaki, J. Imaoka, Masayoshi Yamamoto, Akira Nakano
{"title":"Common Mode Noise Reduction of Two-Phase Interleaved Boost Converters with Integrated Magnetics Utilizing Balanced Technique","authors":"Tomotaka Nagai, Mamoru Sasaki, J. Imaoka, Masayoshi Yamamoto, Akira Nakano","doi":"10.23919/IPEC-Himeji2022-ECCE53331.2022.9806834","DOIUrl":"https://doi.org/10.23919/IPEC-Himeji2022-ECCE53331.2022.9806834","url":null,"abstract":"High-power density and high efficiency in boost converters are required in several applications such as motor drive systems in eco-friendly vehicles and power conditioning systems used in renewable energy systems. To realize these requirements, applying compound semiconductor devices such as GaN and SiC are attractive options because they can drive at high-switching frequency with low power losses, and it is known to contribute to the miniaturization of passive devices. However, when driving power devices with high switching speed at high-switching frequency, EMI (Electro-Magnetic Interference) noise with a wide spectrum is produced. To attenuate EMI noise, large EMI filters have to be equipped. When using large EMI filters, the downsizing effect of power converters is reduced. To countermeasure the above problem, this paper proposes interleaved boost converter with integrated magnetics capable of Common-Mode (CM) noise reduction without adding EMI filters. The noise reduction is realized by the balanced technique, which is known as an effective noise reduction technique from a circuit topology perspective. In addition, interleaved circuit topology and integrated magnetics are contributed to realizing high-power density converters. The effectiveness of the proposed converters is discussed from simulation and experimental viewpoints.","PeriodicalId":256507,"journal":{"name":"2022 International Power Electronics Conference (IPEC-Himeji 2022- ECCE Asia)","volume":"1 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2022-05-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"130128151","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Proposal for the Optimum Switching Frequency Search Method Based on Transmission Side Information of Wireless Power Transfer Circuit 基于无线电力传输电路发射侧信息的最优开关频率搜索方法的提出
2022 International Power Electronics Conference (IPEC-Himeji 2022- ECCE Asia) Pub Date : 2022-05-15 DOI: 10.23919/IPEC-Himeji2022-ECCE53331.2022.9807246
Taichi Mishima, Yuki Ito, Shingo Nagaoka, T. Uematsu
{"title":"Proposal for the Optimum Switching Frequency Search Method Based on Transmission Side Information of Wireless Power Transfer Circuit","authors":"Taichi Mishima, Yuki Ito, Shingo Nagaoka, T. Uematsu","doi":"10.23919/IPEC-Himeji2022-ECCE53331.2022.9807246","DOIUrl":"https://doi.org/10.23919/IPEC-Himeji2022-ECCE53331.2022.9807246","url":null,"abstract":"Wireless power transfer could increase the convenience and operating rates of battery-equipped electrical equipment. Since the positional relationship between the transmitter and receiver coils is not fixed, selecting an optimal operating frequency for each positional relationship is necessary to maximize power conversion efficiency. This paper focuses on the search method for an optimal operating frequency for a wireless power transfer circuit. We propose a search method for a frequency that maximizes the input power factor and transmission efficiency without using radio communication between the power transmitter and receiver. The circuit examined is a combined resonance circuit in which both the power transmission side and the reception side are series resonance, and its operating frequency range is 79–90 kHz. It is clarified that the optimal operating frequency can be found by detecting the input current of the circuit on the transmission side without radio communication between the power transmitter and receiver.","PeriodicalId":256507,"journal":{"name":"2022 International Power Electronics Conference (IPEC-Himeji 2022- ECCE Asia)","volume":"1 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2022-05-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"129416702","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 1
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