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The Simple Power-Based Modulation Methods for DAB-Based AC-DC Converter with Unfolder Concept 基于非文件夹概念的dab型交直流变换器的简单功率调制方法
2020 IEEE Applied Power Electronics Conference and Exposition (APEC) Pub Date : 2020-03-01 DOI: 10.1109/APEC39645.2020.9124084
Nie Hou, Y. Li, L. Ding
{"title":"The Simple Power-Based Modulation Methods for DAB-Based AC-DC Converter with Unfolder Concept","authors":"Nie Hou, Y. Li, L. Ding","doi":"10.1109/APEC39645.2020.9124084","DOIUrl":"https://doi.org/10.1109/APEC39645.2020.9124084","url":null,"abstract":"The DAB-based AC-DC converter with isolated ability has been studied to connect the ac grid and the dc bus with unfolder operation for high efficiency performance, and the DAB dc-dc stage is employed to realize the half sinusoidal modulation. However, in terms of efficiency, the adopted modulation methods in the existing methods may be not very suitable for the DAB converter, and a minimum-current-stress phase-shift (MCS-PS) method is selected which can implement on-line continuous control with high efficiency for this converter. Generally, there are two kinds of load conditions for this AC-DC converter, including the resistor load and the grid voltage source. When the DAB-based AC-DC converter is connected with the load resistor, the accurate power flowing model is analyzed, and then, a simple power-based modulation scheme (SPBM) is proposed for high power quality. Moreover, when this AC-DC converter is connected with the grid voltage source, a SPBM scheme is also proposed for high power quality and regulating both the active power and the reactive power. Finally, the simulation and experimental results are provided to verify the excellent performance of the proposed SPBM strategies.","PeriodicalId":171455,"journal":{"name":"2020 IEEE Applied Power Electronics Conference and Exposition (APEC)","volume":"92 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2020-03-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"125200704","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
An Active Zero-State Switch (AZS) for Commonmode Voltage Reduction in Voltage Source Inverter (VSI) Drives 用于电压源逆变器(VSI)驱动器共模电压降低的有源零状态开关(AZS)
2020 IEEE Applied Power Electronics Conference and Exposition (APEC) Pub Date : 2020-03-01 DOI: 10.1109/APEC39645.2020.9124003
Zhe Zhang, A. Bazzi, A. Semin
{"title":"An Active Zero-State Switch (AZS) for Commonmode Voltage Reduction in Voltage Source Inverter (VSI) Drives","authors":"Zhe Zhang, A. Bazzi, A. Semin","doi":"10.1109/APEC39645.2020.9124003","DOIUrl":"https://doi.org/10.1109/APEC39645.2020.9124003","url":null,"abstract":"1Common-mode voltage produced by voltage source inverters is of great concern in motor drives because significant amount of common-mode conducted/bearing current is induced and interferes with system operation. As an alternative to inserting bulky passive filters to attenuate common-mode current, a new topology \"active zero-state switch (AZS)\" is proposed. Minor adjustment to standard space vector pulse width modulation is also made to realize the proposed scheme and achieve reduced common-mode voltage. The new topology and adjusted modulation scheme are shown to effectively reduce common-mode voltage in a standard commercial voltage source inverter.","PeriodicalId":171455,"journal":{"name":"2020 IEEE Applied Power Electronics Conference and Exposition (APEC)","volume":"25 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2020-03-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"125107375","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: 7
A Control Method of Dual Active Bridge DC-DC Converters Maintaining Soft-Switching at Different Voltage Ratio 双有源桥式DC-DC变换器在不同电压比下保持软开关的控制方法
2020 IEEE Applied Power Electronics Conference and Exposition (APEC) Pub Date : 2020-03-01 DOI: 10.1109/APEC39645.2020.9124409
T. Uchida, Y. Ishizuka, D. Yamashita, Toshiro Hirose, Kazuto Ura
{"title":"A Control Method of Dual Active Bridge DC-DC Converters Maintaining Soft-Switching at Different Voltage Ratio","authors":"T. Uchida, Y. Ishizuka, D. Yamashita, Toshiro Hirose, Kazuto Ura","doi":"10.1109/APEC39645.2020.9124409","DOIUrl":"https://doi.org/10.1109/APEC39645.2020.9124409","url":null,"abstract":"In recent years, a system using renewable energy has attracted attention, and power converters with high power efficiency and low cost are required. Dual Active Bridge (DAB) DC- DC converters are attracting attention because of their high power-efficiency due to Zero Voltage Switching (ZVS) operation over a wide load range. However, when the voltage input/output ratio is different from the turns ratio of the transformer, there is a disadvantage that the ZVS operation cannot be achieved at light loads, and the power efficiency drops. Therefore, this paper proposes a digital control method that can improve power efficiency at light loads regardless of the voltage input/output conversion ratio. In the experiment, it was confirmed that the power efficiency at light loads could be improved by about 10% when the input/output ratio is 200V / 150V, 150V / 100V, and 125V / 75 V.","PeriodicalId":171455,"journal":{"name":"2020 IEEE Applied Power Electronics Conference and Exposition (APEC)","volume":"101 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2020-03-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"122408415","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
Cascadable Dual-Buck Multilevel Inverter Modules with Autonomous DC Capacitor Voltage Balance 具有自主直流电容电压平衡的级联双降压多电平逆变器模块
2020 IEEE Applied Power Electronics Conference and Exposition (APEC) Pub Date : 2020-03-01 DOI: 10.1109/APEC39645.2020.9124155
Zi-Xiang Dai, Woei-Luen Chen, Chia-Ting Lin, Ming-Sheng Xu, Kunlun Chen
{"title":"Cascadable Dual-Buck Multilevel Inverter Modules with Autonomous DC Capacitor Voltage Balance","authors":"Zi-Xiang Dai, Woei-Luen Chen, Chia-Ting Lin, Ming-Sheng Xu, Kunlun Chen","doi":"10.1109/APEC39645.2020.9124155","DOIUrl":"https://doi.org/10.1109/APEC39645.2020.9124155","url":null,"abstract":"Traditional full-bridge inverter architecture is simple and can be easily connected to the grid. However, the bridge architecture has problems such as shoot-through current, severe voltage slew rate, and large filter volume. In order to improve the above shortcomings, this paper proposes a dual-buck multilevel inverter module, which adopts a power transistor and a diode to form a switching arm to prevent the shoot-through current problem. The use of the multilevel scheme can reduce the step size of the PWM voltage and is beneficial to lessen the voltage slew rate and downsize the filter volume. In addition, to simplify the system complexity, this paper proposes an autonomous input capacitor and clamping capacitor balance control, so that the microprocessors between the modules do not need to communicate with each other. The experimental results verify the feasibility and effectiveness of the proposed cascadable dual-buck multilevel inverter module for high-voltage applications.","PeriodicalId":171455,"journal":{"name":"2020 IEEE Applied Power Electronics Conference and Exposition (APEC)","volume":"92 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2020-03-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"122535019","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
Behavioral Modeling of Ground Current in Filter Inductors of Medium-Voltage SiC-MOSFET-Based Converters 基于sic - mosfet的中压变换器滤波器电感接地电流行为建模
2020 IEEE Applied Power Electronics Conference and Exposition (APEC) Pub Date : 2020-03-01 DOI: 10.1109/APEC39645.2020.9124147
Hongbo Zhao, D. Dalal, J. K. Jorgensen, Xiongfei Wang, M. Bech, A. B. Jørgensen, S. Bęczkowski, C. Uhrenfeldt, S. Munk‐Nielsen
{"title":"Behavioral Modeling of Ground Current in Filter Inductors of Medium-Voltage SiC-MOSFET-Based Converters","authors":"Hongbo Zhao, D. Dalal, J. K. Jorgensen, Xiongfei Wang, M. Bech, A. B. Jørgensen, S. Bęczkowski, C. Uhrenfeldt, S. Munk‐Nielsen","doi":"10.1109/APEC39645.2020.9124147","DOIUrl":"https://doi.org/10.1109/APEC39645.2020.9124147","url":null,"abstract":"This paper analyzes the phenomenon of ground current in the filter inductors (with a grounded core/frame) of medium-voltage (MV) SiC-MOSFET-based. The inductor ground current is generated during the switching transients, due to the capacitive coupling between the winding and the core/frame. A general three-terminal equivalent circuit is proposed for representing the capacitive couplings of the filter inductors, which allows the extraction of equivalent admittances between the terminals by using the system identification tool, and thus the ground current can be accurately simulated in the frequency range of concern (up to 100 MHz in this paper). The simulated ground current based on the behavioral model match closely with the experimental results measured in a medium voltage SiC MOSFET based double-pulse test.","PeriodicalId":171455,"journal":{"name":"2020 IEEE Applied Power Electronics Conference and Exposition (APEC)","volume":"51 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2020-03-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"131146120","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: 3
Control Design of a Dual-Input LLC Converter for PV-Battery Applications 用于光伏电池的双输入LLC变换器控制设计
2020 IEEE Applied Power Electronics Conference and Exposition (APEC) Pub Date : 2020-03-01 DOI: 10.1109/APEC39645.2020.9124098
S. M. Tayebi, Xi Chen, I. Batarseh
{"title":"Control Design of a Dual-Input LLC Converter for PV-Battery Applications","authors":"S. M. Tayebi, Xi Chen, I. Batarseh","doi":"10.1109/APEC39645.2020.9124098","DOIUrl":"https://doi.org/10.1109/APEC39645.2020.9124098","url":null,"abstract":"This paper proposes a control technique for a three-port resonant-based dc/dc converter. A dual-input LLC resonant converter that interfaces with a PV and an energy storage source is studied. The topology is a dual half-bridge LLC circuit with four active switches. This topology allows the two sources to share the same resonant tank for transferring energy to the load without the need for additional circuit components. In the proposed controller, four operation scenarios are taken into account; PV to load, battery to load, PV and battery to load, and PV to battery and load. Three control variables; switching frequency, duty cycle, and phase shift are employed in the controller to implement maximum power point tracking (MPPT) and power flow control among the three ports in each scenario. A 500-W prototype was built to demonstrate the performance of the proposed controller. The PV input voltage range is selected to be 25 V to 50 V, and the battery voltage is 60 V, with an output voltage regulated at 400 V DC. Experimental results validate the proposed controller’s performance in implementing MPPT and power flow control for the three ports in four operation scenarios using the three control degrees of freedom.","PeriodicalId":171455,"journal":{"name":"2020 IEEE Applied Power Electronics Conference and Exposition (APEC)","volume":"88 7 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2020-03-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"128002230","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
Design of Coupled Inductor for Two-Phase Synchronous Boost Converters in Automotive Applications 汽车用两相同步升压变换器的耦合电感设计
2020 IEEE Applied Power Electronics Conference and Exposition (APEC) Pub Date : 2020-03-01 DOI: 10.1109/APEC39645.2020.9124143
G. Götz, Alexander Stippich, Arne Hendrik Wienhausen, R. D. De Doncker
{"title":"Design of Coupled Inductor for Two-Phase Synchronous Boost Converters in Automotive Applications","authors":"G. Götz, Alexander Stippich, Arne Hendrik Wienhausen, R. D. De Doncker","doi":"10.1109/APEC39645.2020.9124143","DOIUrl":"https://doi.org/10.1109/APEC39645.2020.9124143","url":null,"abstract":"This paper introduces a design for a coupled inductor for a two-phase synchronous boost converter based on silicon carbide (SiC) MOSFETs. The converter operates at a high switching frequency of 300 kHz and is designed for a maximum output power of 32 kW. Despite the very high switching frequency and consequently smaller sizes of passive components, passives remain one of the largest components of the converter, especially inductors. The magnetic coupling of several phases of a converter in the form of coupled inductors allows a further reduction in size and weight of these passive components. Fast switching SiC devices and the high power rating require a sophisticated design, whose process is described in detail. For evaluation in an experimental setup, a prototype is manufactured and the efficiency is compared to the converter operated with uncoupled inductors. The design of the coupled inductor achieves similar efficiency while requiring less material, which improves the power density and decreases costs.","PeriodicalId":171455,"journal":{"name":"2020 IEEE Applied Power Electronics Conference and Exposition (APEC)","volume":"77 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2020-03-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"132677651","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
Design and Implementation of Trans-Z-Source Inverter-Fed Induction Motor Drive with Fault-Tolerant Capability 具有容错能力的反z源变频感应电机驱动的设计与实现
2020 IEEE Applied Power Electronics Conference and Exposition (APEC) Pub Date : 2020-03-01 DOI: 10.1109/APEC39645.2020.9124323
V. Sharma, M. Hossain, S. Ali, M. Kashif, Edstan Fernandez
{"title":"Design and Implementation of Trans-Z-Source Inverter-Fed Induction Motor Drive with Fault-Tolerant Capability","authors":"V. Sharma, M. Hossain, S. Ali, M. Kashif, Edstan Fernandez","doi":"10.1109/APEC39645.2020.9124323","DOIUrl":"https://doi.org/10.1109/APEC39645.2020.9124323","url":null,"abstract":"The traditional Z-source inverter suffers from large voltage stress across the switches, and discontinuous source current, which is not appropriate for the electric motor drives applications. This paper presents a design and thorough analysis of a trans-Z-source (transformer-based Z-source) with higher boost capability and negligible leakage inductance which overcomes the drawbacks of traditional Z-source inverters (ZSI). Additionally, the fault-tolerant capability of the proposed trans-ZSI is investigated for open-circuit and short-circuit faults occurring in the power semiconductor switches of the inverter module. It proposes a highly efficient faulty leg identification method which is independent of the temperature rise occurring due to high current in the faulty mode. The proposed fault-tolerant scheme is characterized by low cost, fast fault diagnosis irrespective of load, and maintaining post-fault speed characteristics of motor identical to pre-fault characteristics. The experimental results are presented to validate the effectiveness of the proposed method for induction motor drives. Also, a comparative study with similar fault diagnosis strategies is tabulated to validate the potential of the proposed fault-tolerant strategy.","PeriodicalId":171455,"journal":{"name":"2020 IEEE Applied Power Electronics Conference and Exposition (APEC)","volume":"215 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2020-03-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"132790308","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
Modeling and Practical Design Dual-Mode Sinewave and Common Mode Filter for PWM Motor Drives System Using Tricore Laminations 基于三芯片的PWM电机驱动系统的双模正弦波和共模滤波器的建模和实际设计
2020 IEEE Applied Power Electronics Conference and Exposition (APEC) Pub Date : 2020-03-01 DOI: 10.1109/APEC39645.2020.9124592
T. Luu
{"title":"Modeling and Practical Design Dual-Mode Sinewave and Common Mode Filter for PWM Motor Drives System Using Tricore Laminations","authors":"T. Luu","doi":"10.1109/APEC39645.2020.9124592","DOIUrl":"https://doi.org/10.1109/APEC39645.2020.9124592","url":null,"abstract":"A dual-mode sinewave output filter that eliminates motor problems due to the PWM waveforms in both common mode and differential mode operation is proposed. A three-phase inductor constructed with tricore laminations. The windings possess differential mode inductance and proportionally every large common mode inductance characteristic. In voltage source converters, the common mode voltage is mainly distributed in the switching frequency range, therefore the common mode voltage in this filter design is in the medium frequency range referring to the switching frequency and sidebands of its integral multiples. The single integrated inductor with the capacitors creates a LC low-pass filter in both common mode and differential mode operation. This proposed filter offers a complete solution with reliable, practical and cost-effective to the issues caused by common mode voltage in power converter systems. Three different rating of 5A, 45A and 160A prototypes were built, and test results presented.","PeriodicalId":171455,"journal":{"name":"2020 IEEE Applied Power Electronics Conference and Exposition (APEC)","volume":"12 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2020-03-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"132946889","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
Experimental Investigation of the Single Pulse Avalanche Ruggedness of SiC Power MOSFETs SiC功率mosfet单脉冲雪崩耐用性的实验研究
2020 IEEE Applied Power Electronics Conference and Exposition (APEC) Pub Date : 2020-03-01 DOI: 10.1109/APEC39645.2020.9124532
Zijian Gao, Lei Cao, Qing Guo, Kuang Sheng
{"title":"Experimental Investigation of the Single Pulse Avalanche Ruggedness of SiC Power MOSFETs","authors":"Zijian Gao, Lei Cao, Qing Guo, Kuang Sheng","doi":"10.1109/APEC39645.2020.9124532","DOIUrl":"https://doi.org/10.1109/APEC39645.2020.9124532","url":null,"abstract":"In this paper, the single pulse avalanche ruggedness of commercially available silicon carbide (SiC) power planar and trench MOSFETs is compared and analyzed. A test bench is constructed for unclamped inductive switching (UIS) tests. The experimental results show that at the same avalanche current, the maximum avalanche energy per area of the planar MOSFET is at least 8 times higher than that of the trench MOSFET. A single pulse avalanche SOA is demonstrated. Junction temperature is estimated by the theoretical relationship between voltage and current of the p-n junction under breakdown condition and the typical Cauer thermal network simulation. The results show that the maximum junction temperature of devices under test can reach 550~730K.","PeriodicalId":171455,"journal":{"name":"2020 IEEE Applied Power Electronics Conference and Exposition (APEC)","volume":"16 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2020-03-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"133155370","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: 10
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