IET Power Electronics最新文献

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A dual-input dual-output high step-up DC-DC converter with high efficiency
IF 1.7 4区 工程技术
IET Power Electronics Pub Date : 2024-12-23 DOI: 10.1049/pel2.12840
Kamran Karimi, Mohammad Maalandish, Saeed Azmoon-Asmarood, Seyed Hossein Hosseini
{"title":"A dual-input dual-output high step-up DC-DC converter with high efficiency","authors":"Kamran Karimi,&nbsp;Mohammad Maalandish,&nbsp;Saeed Azmoon-Asmarood,&nbsp;Seyed Hossein Hosseini","doi":"10.1049/pel2.12840","DOIUrl":"https://doi.org/10.1049/pel2.12840","url":null,"abstract":"<p>Here, a new ultra step-up DC-DC converter with a high voltage conversion ratio is proposed. The proposed topology is a dual input dual output structure with different output voltages, which makes it suitable for use in hybrid energy systems as well as supplying the traction motor in electric vehicles. The proposed converter can provide high voltage gain with a low duty cycle compared to other multi-port converters. The lack of a transformer and coupled inductor not only makes the final volume of the suggested converter and manufacturing costs lower, but it also does not have the problems caused by the leakage inductance of the transformer. In addition, the average voltage stress on power semiconductors of the suggested topology is low. The proposed converter follows a simple switching pattern where all power switches are switched simultaneously with a gate pulse. Operation principles, voltage and current stress passing through the semiconductor elements, RMS current values of elements, and design considerations of the proposed converter are discussed in detail. Finally, experimental results of a 250 W laboratory prototype with 96.1% efficiency are used to validate the theoretical analysis.</p>","PeriodicalId":56302,"journal":{"name":"IET Power Electronics","volume":"18 1","pages":""},"PeriodicalIF":1.7,"publicationDate":"2024-12-23","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://onlinelibrary.wiley.com/doi/epdf/10.1049/pel2.12840","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143118409","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Improved non-cascaded continuous-set model-free predictive control scheme for PMSM drives
IF 1.7 4区 工程技术
IET Power Electronics Pub Date : 2024-12-23 DOI: 10.1049/pel2.12830
Bowen Xu, Qiyi Wu, Jien Ma, Xing Liu, Youtong Fang
{"title":"Improved non-cascaded continuous-set model-free predictive control scheme for PMSM drives","authors":"Bowen Xu,&nbsp;Qiyi Wu,&nbsp;Jien Ma,&nbsp;Xing Liu,&nbsp;Youtong Fang","doi":"10.1049/pel2.12830","DOIUrl":"https://doi.org/10.1049/pel2.12830","url":null,"abstract":"<p>This article presents an improved multiple-step model-free predictive control (MS-MFPC) method for permanent magnet synchronous motor (PMSM) drives. Specifically, a reduced-order MS-MFPC based on an ultra-local model, which employs only the input and output of the plant without addressing any motor parameters, is developed to enhance the robustness and reliability of the non-cascaded PMSM system in the presence of parametric uncertainties. Meanwhile, the decoupled form of algebraic ultra-local model is derived to extend the prediction horizon to multiple steps without increasing the computational burden. Besides, in order to improve the dynamic performance, an online adaptive modification approach is embedded into this suggested design to enhance the cost function calculation for the first time. Compared with the conventional continuous control set-model predictive control (CCS-MPC) method, our development not only achieves the smaller overshoot, settling time and steady-state error, but also attenuates the inherent issue of system uncertainties in widely existing industrial application. Finally, the proposed MS-MFPC methodology is experimentally assessed for a PMSM test bench, where steady-state and transient-state performance tests confirm the interest of the proposal.</p>","PeriodicalId":56302,"journal":{"name":"IET Power Electronics","volume":"18 1","pages":""},"PeriodicalIF":1.7,"publicationDate":"2024-12-23","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://onlinelibrary.wiley.com/doi/epdf/10.1049/pel2.12830","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143118410","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Morphing control strategy of wide input voltage DR-LLC converter for vehicle power supply
IF 1.7 4区 工程技术
IET Power Electronics Pub Date : 2024-12-21 DOI: 10.1049/pel2.12838
Litong Zheng, Yuhan Guo, Xin Zhao, Rui Wang, Xiuyu Zhang, Liangsheng Lan, Hongwei Li
{"title":"Morphing control strategy of wide input voltage DR-LLC converter for vehicle power supply","authors":"Litong Zheng,&nbsp;Yuhan Guo,&nbsp;Xin Zhao,&nbsp;Rui Wang,&nbsp;Xiuyu Zhang,&nbsp;Liangsheng Lan,&nbsp;Hongwei Li","doi":"10.1049/pel2.12838","DOIUrl":"https://doi.org/10.1049/pel2.12838","url":null,"abstract":"<p>Electric vehicles have experienced substantial global growth. However, significant fluctuations in the output voltage of power batteries and abrupt changes in the input voltage of DC–DC converters pose major challenges to their safety and reliability, thereby impeding sustainable development. This paper proposes a frequency-prediction-based topology morphing control strategy (FPTMC) for a dual resonant cavity LLC (DR-LLC) converter. The strategy aims to accommodate a wide range of input voltages while enhancing the reliability of the vehicle's power supply. Firstly, the topology of the DR-LLC converter is introduced, utilizing a fundamental wave analysis method for modelling purposes. This analysis results in three distinct voltage gain models corresponding to various topology modes, thereby enabling the converter to manage a wide spectrum of input voltages. Then, a geometrically simplified state plane analysis is employed to derive switching frequency models for the three topology modes, facilitating real-time prediction of the necessary switching frequency during topology transitions. The proposed control strategy, which relies on frequency prediction, effectively mitigates the problem of voltage spikes during these transitions. Finally, both simulation and experimental results validate the accuracy and feasibility of the proposed wide input voltage control strategy for DR-LLC converters in vehicle power supply systems.</p>","PeriodicalId":56302,"journal":{"name":"IET Power Electronics","volume":"18 1","pages":""},"PeriodicalIF":1.7,"publicationDate":"2024-12-21","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://onlinelibrary.wiley.com/doi/epdf/10.1049/pel2.12838","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143117647","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
RETRACTION: Interoperable square-circular coupled coils for wireless electric vehicle battery charging system with different misalignments
IF 1.7 4区 工程技术
IET Power Electronics Pub Date : 2024-12-18 DOI: 10.1049/pel2.12839
{"title":"RETRACTION: Interoperable square-circular coupled coils for wireless electric vehicle battery charging system with different misalignments","authors":"","doi":"10.1049/pel2.12839","DOIUrl":"https://doi.org/10.1049/pel2.12839","url":null,"abstract":"<p><b>RETRACTION</b>: C. S. Banothu, S. R. Gorantla, R. V. B. Attuluri, G. R. Evuri: Interoperable square-circular coupled coils for wireless electric vehicle battery charging system with different misalignments. <i>IET Power Electronics</i>, 1–18 (2024). https://doi.org/10.1049/pel2.12742</p><p>The above article, published online on 1<sup>st</sup> July 2024 in Wiley Online Library (wileyonlinelibrary.com) has been retracted by agreement between the journal's Editor-in-Chief, Volker Pickert, The Institution of Engineering and Technology and John Wiley &amp; Sons Ltd.</p><p>Concerns were raised in the article, regarding substantial text overlap with the following source:</p><p>Design and implementation of an inductive power transfer system for wireless charging of future electric transportation.</p><p>When the authors were contacted for an explanation, they have acknowledged the text overlap and have requested to retract the article. The authors apologise for the oversight.</p>","PeriodicalId":56302,"journal":{"name":"IET Power Electronics","volume":"18 1","pages":""},"PeriodicalIF":1.7,"publicationDate":"2024-12-18","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://onlinelibrary.wiley.com/doi/epdf/10.1049/pel2.12839","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143116229","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
A five-level nested neutral point-clamped inverter topology 五电平嵌套式中性点钳位逆变器拓扑结构
IF 1.7 4区 工程技术
IET Power Electronics Pub Date : 2024-12-17 DOI: 10.1049/pel2.12793
Desmond O. Obe, Chinedu T. Obe, Charles I. Odeh, Emeka S. Obe
{"title":"A five-level nested neutral point-clamped inverter topology","authors":"Desmond O. Obe,&nbsp;Chinedu T. Obe,&nbsp;Charles I. Odeh,&nbsp;Emeka S. Obe","doi":"10.1049/pel2.12793","DOIUrl":"https://doi.org/10.1049/pel2.12793","url":null,"abstract":"<p>Classical five-level nested neutral point-clamped (5L NNPC) inverter-leg is a hybrid of the flying-capacitor and diode-clamped 5-L inverter-leg configurations. Though uniform reduced voltage stress on the constituting switches is evident in 5L NNPC inverter-leg, trails of the drawbacks of diode-clamping concept still exist. Compared with the classical 5L NNPC inverter, the state-of-the-art diode-free 5L NNPC inverter involves no passive power switches and has low conduction losses. However, in this 5L NNPC inverter, two of the eight active switches have blocking voltage rating of 1/2 of the input voltage. Considering this limiting topological feature, an inverter-leg for 5L NNPC inverter is presented in this paper. In the proposed 5L NNPC inverter-leg, only one switch has voltage stress of 1/2 of the input voltage. This reduced voltage stress has inverter cost and loss implications. The performances and competitiveness of the 5L NNPC inverter were analysed in detail and demonstrated with a prototype. The blocking voltages of all the constituting power switches; profiles of the flying-capacitor voltages; and FFT spectrum of line voltage waveform were experimentally obtained. Experimental deactivation and activation of the inverter's capacitor voltages balancing scheme were typified for varying modulation index values.</p>","PeriodicalId":56302,"journal":{"name":"IET Power Electronics","volume":"18 1","pages":""},"PeriodicalIF":1.7,"publicationDate":"2024-12-17","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://onlinelibrary.wiley.com/doi/epdf/10.1049/pel2.12793","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143115899","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
A novel noncommunication-based inductive power transfer control technique for battery charging application
IF 1.7 4区 工程技术
IET Power Electronics Pub Date : 2024-12-16 DOI: 10.1049/pel2.12837
Guocun Li, Xuewei Pan, Danyang Bao, Zhouchi Cai, Avneet Kumar
{"title":"A novel noncommunication-based inductive power transfer control technique for battery charging application","authors":"Guocun Li,&nbsp;Xuewei Pan,&nbsp;Danyang Bao,&nbsp;Zhouchi Cai,&nbsp;Avneet Kumar","doi":"10.1049/pel2.12837","DOIUrl":"https://doi.org/10.1049/pel2.12837","url":null,"abstract":"<p>In order to realize the precise control of the output voltage and current of the inductive power transfer (IPT) battery charging system, wireless communication-based control are generally employed in a lot of existing works. However, the stability of the IPT converter will be impaired if communication fails. This paper proposes a novel noncommunication-based control strategy with a simple switched controlled capacitor design at the receiver side of the IPT system. A series-inductor–capacitor–capacitor compensation network is selected to verify the proposed control strategy. Without feedback wireless communication, the proposed IPT system can realize reliable constant current and constant voltage output control over full load range at a fixed switching frequency. At the receiver side, switched controlled capacitor is introduced to control reactive current and convey the output-side information to the transmitter side in the form of impedance angle. At the transmitter side, impedance angle is detected in real time, and phase shift control is introduced to regulate the output voltage or current of the system. Detailed analysis, implementation, hardware realization of the proposed noncommunication-based control is presented in this paper. A 250 W experimental prototype is built in the laboratory to verify the proposed control strategy. Constant voltage and constant current for battery charging application are realized through noncommunication-based control. Zero voltage switching over full range of load and minimized reactive current are achieved, which allows high efficiency operation. Compared with existing work in the literature, the proposed noncommunication-based control provides the benefits of reduced hardware cost, higher system reliability and stability.</p>","PeriodicalId":56302,"journal":{"name":"IET Power Electronics","volume":"18 1","pages":""},"PeriodicalIF":1.7,"publicationDate":"2024-12-16","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://onlinelibrary.wiley.com/doi/epdf/10.1049/pel2.12837","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143115540","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Design and implementation of a full analogue gate driver for current compensation of paralleled SiC-MOSFETs
IF 1.7 4区 工程技术
IET Power Electronics Pub Date : 2024-12-15 DOI: 10.1049/pel2.12834
Adel Rezaeian, Ahmad Afifi, Hamid Bahrami
{"title":"Design and implementation of a full analogue gate driver for current compensation of paralleled SiC-MOSFETs","authors":"Adel Rezaeian,&nbsp;Ahmad Afifi,&nbsp;Hamid Bahrami","doi":"10.1049/pel2.12834","DOIUrl":"https://doi.org/10.1049/pel2.12834","url":null,"abstract":"<p>Silicon carbide MOSFETs have current ratings that are not sufficiently high to be used in high-power converters. It is necessary to connect several MOSFETs in parallel in order to increase current capabilities. However, transient imbalance peak currents during turn-on and -off processes challenge the performance and reliability of parallel MOSFETs. This paper considers the impact factors of device parameters, asymmetrical power circuit layout and circuit parasitic analytically to reveal the imbalance current peaks. The turn-on and -off transient conditions are studied and mathematically investigated. In master-slave configuration, a fully analogue active gate driver is designed and implemented to suppress the imbalance current among parallel silicon carbide (SiC) MOSFETs. In the proposed scheme, by exploiting an imbalance current detection circuit and I-controller in a negative feedback for the slave MOSFET, an appropriate control voltage is obtained. The output voltage of active gate driver is adjusted by the control voltage, whether positive or negative in turn-on and -off transient, in order to synchronize the peak currents of paralleled modules. Moreover, a detailed circuit of the designed compensator is presented and discussed. The experimental results are presented to verify the reliability and the effectiveness of the proposed compensator.</p>","PeriodicalId":56302,"journal":{"name":"IET Power Electronics","volume":"18 1","pages":""},"PeriodicalIF":1.7,"publicationDate":"2024-12-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://onlinelibrary.wiley.com/doi/epdf/10.1049/pel2.12834","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143115090","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Zero voltage switching with reduced current stress for LED lighting applications
IF 1.7 4区 工程技术
IET Power Electronics Pub Date : 2024-12-14 DOI: 10.1049/pel2.12832
Kambhampati Venkata Govardhan Rao, Malligunta Kiran Kumar, B. Srikanth Goud, Ramanjaneya Reddy Udumula, Ch. Rami Reddy, Praveen Kumar Balachandran, Muhammad Ammirrul Atiqi Mohd Zainuri, Suganthi Ramasamy
{"title":"Zero voltage switching with reduced current stress for LED lighting applications","authors":"Kambhampati Venkata Govardhan Rao,&nbsp;Malligunta Kiran Kumar,&nbsp;B. Srikanth Goud,&nbsp;Ramanjaneya Reddy Udumula,&nbsp;Ch. Rami Reddy,&nbsp;Praveen Kumar Balachandran,&nbsp;Muhammad Ammirrul Atiqi Mohd Zainuri,&nbsp;Suganthi Ramasamy","doi":"10.1049/pel2.12832","DOIUrl":"https://doi.org/10.1049/pel2.12832","url":null,"abstract":"<p>Lighting systems using light emitting diode (LED) have drawn significant attention across the world. Nevertheless, to maintain a steady light output, these systems necessitate constant current regulators. This article proposes a buck–boost integrated zero voltage switched full-bridge LED converter with low current stress. It powers two identical lamps and a lamp of power rating twice the identical lamp. A direct current voltage source, arranged in series, transmits a portion of light power without conversion. A regulated low power output is provided using a complete bridge converter. The semiconductor switches off the full-bridge converter carry minimal current. This characteristic lowers conduction losses. The suggested converter facilitates dimming operation via on–off control and zero voltage switching, leading to minimal switching losses. Further input voltage of full-bridge converter is modulated to maintain constant LED lamp current. The detailed steady-state analysis and implementation of the proposed full-bridge LED converter with dimming control operation is presented here.</p>","PeriodicalId":56302,"journal":{"name":"IET Power Electronics","volume":"18 1","pages":""},"PeriodicalIF":1.7,"publicationDate":"2024-12-14","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://onlinelibrary.wiley.com/doi/epdf/10.1049/pel2.12832","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143114983","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Time-domain design for misalignment-tolerant dynamic wireless charging
IF 1.7 4区 工程技术
IET Power Electronics Pub Date : 2024-12-10 DOI: 10.1049/pel2.12777
Juan Carlos Quirós, Álvaro Llamas Calvo, Alicia Triviño, Eliseo Villagrasa Guerrrero
{"title":"Time-domain design for misalignment-tolerant dynamic wireless charging","authors":"Juan Carlos Quirós,&nbsp;Álvaro Llamas Calvo,&nbsp;Alicia Triviño,&nbsp;Eliseo Villagrasa Guerrrero","doi":"10.1049/pel2.12777","DOIUrl":"https://doi.org/10.1049/pel2.12777","url":null,"abstract":"<p>Wireless power transfer (WPT) offers a safer and more convenient alternative to traditional charging methods. In the automotive sector, dynamic WPT presents a promising solution by reducing battery size and enhancing vehicle usability. The key components of dynamic WPT systems are the coils and their compensation topologies. This paper provides a detailed analysis of these elements to optimize system performance. First, different coil geometries are systematically evaluated using finite element analysis, aiming to identify designs that minimize electrical parameter variations, which can damage electronics and make the control more complex. Then, the most suitable compensation topology is determined through time-domain analysis, which is more accurate under dynamic conditions than the commonly used phasor-based approach. This design process based on time-domain analysis is validated with a 100 W dynamic charger prototype, demonstrating the system's transient behaviour. Experimental results show an efficiency of up to 80% and high tolerance to misalignment under various load conditions.</p>","PeriodicalId":56302,"journal":{"name":"IET Power Electronics","volume":"18 1","pages":""},"PeriodicalIF":1.7,"publicationDate":"2024-12-10","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://onlinelibrary.wiley.com/doi/epdf/10.1049/pel2.12777","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143113680","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
A new series-parallel active compensator for DC microgrids based on three-leg voltage source converter
IF 1.7 4区 工程技术
IET Power Electronics Pub Date : 2024-12-06 DOI: 10.1049/pel2.12824
Zahra Mortezapour, Fatemeh Mortezapour, Hossein Hojabri
{"title":"A new series-parallel active compensator for DC microgrids based on three-leg voltage source converter","authors":"Zahra Mortezapour,&nbsp;Fatemeh Mortezapour,&nbsp;Hossein Hojabri","doi":"10.1049/pel2.12824","DOIUrl":"https://doi.org/10.1049/pel2.12824","url":null,"abstract":"<p>DC microgrids are gaining increasing attention due to their advantages such as high reliability, high efficiency, ease of renewable energy sources integration, and the absence of frequency and reactive power regulation problems. Connection of AC energy sources and loads to the DC microgrids through AC/DC converters can distort the DC microgrids voltage and current. In addition, the fault occurrence in the DC or upstairs AC microgrids can cause voltage sag and swell. Compensating and reducing these voltage and current distortions requires efficient and cost-effective solutions. This article proposes two new topologies of DC series-parallel active compensators for voltage and current compensation in DC microgrids. In the first topology, the back-to-back connection of an isolated bidirectional DC/DC converter with a full-bridge converter is used to compensate voltage and current. In the second one, to eliminate the transformer, simplify the converter structure and reduce its cost, an active compensator based on a three-leg voltage source converter is proposed which can compensate both the microgrid voltage harmonics, sag and swell, and the load current harmonics. The proposed topologies performances are confirmed through their simulation in the MATLAB/SIMULINK environment. A simple experimental setup is also provided to validate the simulation results.</p>","PeriodicalId":56302,"journal":{"name":"IET Power Electronics","volume":"17 16","pages":"3071-3082"},"PeriodicalIF":1.7,"publicationDate":"2024-12-06","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://onlinelibrary.wiley.com/doi/epdf/10.1049/pel2.12824","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143248815","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
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