2022 IEEE International Conference on Power Electronics, Drives and Energy Systems (PEDES)最新文献

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Flyback Based Resonant Converter for High Voltage Pulsed Load Application 用于高压脉冲负载的反激谐振变换器
2022 IEEE International Conference on Power Electronics, Drives and Energy Systems (PEDES) Pub Date : 2022-12-14 DOI: 10.1109/PEDES56012.2022.10080245
Chinara Kuldip, N. Lakshminarasamma
{"title":"Flyback Based Resonant Converter for High Voltage Pulsed Load Application","authors":"Chinara Kuldip, N. Lakshminarasamma","doi":"10.1109/PEDES56012.2022.10080245","DOIUrl":"https://doi.org/10.1109/PEDES56012.2022.10080245","url":null,"abstract":"This paper focuses on a flyback based resonant converter topology for obtaining a pulsed high voltage for low power applications like ozone generators. In this paper, a flyback based resonant converter is proposed in order to obtain a variable pulsed output voltage ($mathbf{2}.mathbf{5} mathbf{kV}-mathbf{10} mathbf{kV}$) fed from an input voltage of 230 V, 50 Hz AC supply. Ozone generators are low power applications with the pulse repetitive rate limited to 1 kHz to 5 kHz and the pulse width limited to $mathbf{10} mumathbf{s}$ to $mathbf{30} mumathbf{s}$. For ozone generation, the oxygen is passed through a dielectric barrier discharge chamber, which is subjected to a high voltage across its electrodes which supply the energy for the micro discharges to take place. In this paper, the high voltage pulses are obtained through a resonant circuit topology with a transformer in the output stage to boost the output voltage and give isolation. The resonant capacitor is charged through a flyback circuit after every switching instant of the resonant circuit to the desired voltage magnitude, ensuring charging time constraint. In the proposed work, the high voltage pulses of desired voltage magnitude with pulse repetitive rate and pulse width are designed and validated through simulation results.","PeriodicalId":161541,"journal":{"name":"2022 IEEE International Conference on Power Electronics, Drives and Energy Systems (PEDES)","volume":"9 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2022-12-14","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"115278112","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
A Single DC Source Switched-Capacitor Multilevel Inverter for High-Frequency AC System 用于高频交流系统的单直流电源开关电容多电平逆变器
2022 IEEE International Conference on Power Electronics, Drives and Energy Systems (PEDES) Pub Date : 2022-12-14 DOI: 10.1109/PEDES56012.2022.10080388
P. S. Dash, S. Das
{"title":"A Single DC Source Switched-Capacitor Multilevel Inverter for High-Frequency AC System","authors":"P. S. Dash, S. Das","doi":"10.1109/PEDES56012.2022.10080388","DOIUrl":"https://doi.org/10.1109/PEDES56012.2022.10080388","url":null,"abstract":"This paper presents a new switched-capacitor multi-level inverter (SCMLI). The proposed inverter can limit the charging current of switched-capacitor units. Voltage balancing of each capacitor is not required for the inverter. The capacitor voltages are automatically adjusted to the desired levels in each cycle of the ac voltage output. A step-change in the voltage is generated by switching the capacitors in series one after another. Usually, SCMLIs have a front-end switched capacitor configuration and a back-end full bridge inverter. The converter in the front-end steps up the dc voltage, and the back-end inverter generates ac output voltage. The elevated voltage from the front-end converter increases the voltage stress in the back-end H-bridge configuration. The proposed inverter doesn't need a back-end H-bridge inverter to generate ac output. A small inductance is introduced in series to the source to minimize the initial charging current in the multiple switched capacitor configurations. A lower dc capacitor charging current increases the overall efficiency and decreases the switching loss in the inverter. Circuit configuration, pulse width modulation (PWM) method, and operation principle are explained in detail. Finally, a simulation of the nine-level inverter is done in MATLAB, and simulation results validate the expected performance.","PeriodicalId":161541,"journal":{"name":"2022 IEEE International Conference on Power Electronics, Drives and Energy Systems (PEDES)","volume":"5 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2022-12-14","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"124699420","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 Novel Fault Detection Index in Smart Distribution System consisting Multi-Microgrids 一种新的多微电网智能配电系统故障检测指标
2022 IEEE International Conference on Power Electronics, Drives and Energy Systems (PEDES) Pub Date : 2022-12-14 DOI: 10.1109/PEDES56012.2022.10080864
Kartika Dubey, P. Jena
{"title":"A Novel Fault Detection Index in Smart Distribution System consisting Multi-Microgrids","authors":"Kartika Dubey, P. Jena","doi":"10.1109/PEDES56012.2022.10080864","DOIUrl":"https://doi.org/10.1109/PEDES56012.2022.10080864","url":null,"abstract":"To ensure the better power supply and to meet the increasing power demand, the power distribution system is now equipped with multi-microgrids (MMGs). Thus, the integration of MMGs serve uninterruptable power supply to the customers increasing system reliability. The deeper infiltration of the MMGs changes the fault current characteristics when integrated in the smart distribution system network. The operation of MMGs also impact the direction and level of fault currents. The increase in the fault current contribution level may lead to false conventional relay tripping. Thus, the conventional differential overcurrent based protection methods fail to operate for the smart distribution system consisting MMGs, as these methods were usually suggested for radial networks. Moreover, the detection of low impedance as well as high impedance faults is very important in the area of differential protection in smart distribution network consisting MMGs. Thus, a novel fault detection index utilizing positive sequence angle ratio of pre fault and post fault currents, is proposed in this paper. The novel fault detection index helps in detecting and classifying the low and high impedance faults accurately ensuring better reliability. The method proposed in the paper is validated on the modified IEEE-13 bus system using Real Time Digital Simulator (RTDS).","PeriodicalId":161541,"journal":{"name":"2022 IEEE International Conference on Power Electronics, Drives and Energy Systems (PEDES)","volume":"36 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2022-12-14","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"114067774","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
Ageing Condition Assessment of Transformer Insulation in Visual Domain Using DCNN 基于DCNN的变压器绝缘老化状态视觉评估
2022 IEEE International Conference on Power Electronics, Drives and Energy Systems (PEDES) Pub Date : 2022-12-14 DOI: 10.1109/PEDES56012.2022.10080633
Aniket Vatsa, Ananda Shankar Hati, V. Khadkikar
{"title":"Ageing Condition Assessment of Transformer Insulation in Visual Domain Using DCNN","authors":"Aniket Vatsa, Ananda Shankar Hati, V. Khadkikar","doi":"10.1109/PEDES56012.2022.10080633","DOIUrl":"https://doi.org/10.1109/PEDES56012.2022.10080633","url":null,"abstract":"Identifying ageing characteristics is essential for mitigating the transformer's catastrophic failure. However, the traditional methods for assessing the effects of ageing, such as the degree of polarisation measurement of kraft paper, are destructive. Transformers' ageing characteristics can be extracted from dielectric response analysis using frequency domain spectroscopy's low-frequency band. However, measuring frequency domain spectroscopy (FDS) in low-frequency regions is time-consuming. This research developed a unique deep convolutional neural network (DCNN) based ageing state identification approach by converting FDS into a visual domain using Markov Transition Field (MTF) to ascertain the hidden ageing attributes. Thus enhancing the ageing features and automatic feature extraction is utilised for ageing state diagnosis. The proposed MTF-DCNN method has a 96.60% diagnosis accuracy across five ageing categories. It also provides an automatic feature extraction-based network for a detailed evaluation of the transformer's insulation health.","PeriodicalId":161541,"journal":{"name":"2022 IEEE International Conference on Power Electronics, Drives and Energy Systems (PEDES)","volume":"708 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2022-12-14","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"123838830","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
Operation of A Platform-less DC Collection System for Offshore Wind Farms with Reduced Curtailment Using Energy Storage 利用储能减少弃风的海上风电场无平台直流收集系统的运行
2022 IEEE International Conference on Power Electronics, Drives and Energy Systems (PEDES) Pub Date : 2022-12-14 DOI: 10.1109/PEDES56012.2022.10080256
Sakshi Singh, D. Chatterjee, Tanmoy Bhattacharya
{"title":"Operation of A Platform-less DC Collection System for Offshore Wind Farms with Reduced Curtailment Using Energy Storage","authors":"Sakshi Singh, D. Chatterjee, Tanmoy Bhattacharya","doi":"10.1109/PEDES56012.2022.10080256","DOIUrl":"https://doi.org/10.1109/PEDES56012.2022.10080256","url":null,"abstract":"In this paper, a series connected DC wind energy collection topology is considered for offshore windfarms (OWF). Dual Active Bridge (DAB) with medium frequency transformer is used to reduce the size of the interface between the permanent magnet synchronous generator (PMSG) and the high voltage DC (HVDC) line. The series connection of the DAB output capacitors helps in achieving the platform-less operation by eliminating the need for a low frequency step-up transformer, but leads to a severe mismatch of the DAB output voltages due to the unequal wind power inputs at the wind turbines (WTs). Overvoltage at DAB output can be avoided by curtailment, i.e. operating the turbine away from the maximum power point tracking (MPPT) using WT inertia, which leads to loss of available energy. The possible use of ultra-capacitors (UC) to reduce the loss in energy is demonstrated in this work.","PeriodicalId":161541,"journal":{"name":"2022 IEEE International Conference on Power Electronics, Drives and Energy Systems (PEDES)","volume":"414 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2022-12-14","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"123910166","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
Performance Evaluation of Three-Phase Grid Assisted SyRM Driven Water Pumping System with Mode Transition Capability 具有模态转换能力的三相电网辅助SyRM驱动抽水系统性能评价
2022 IEEE International Conference on Power Electronics, Drives and Energy Systems (PEDES) Pub Date : 2022-12-14 DOI: 10.1109/PEDES56012.2022.10080770
Hina Parveen, Bhim Singh
{"title":"Performance Evaluation of Three-Phase Grid Assisted SyRM Driven Water Pumping System with Mode Transition Capability","authors":"Hina Parveen, Bhim Singh","doi":"10.1109/PEDES56012.2022.10080770","DOIUrl":"https://doi.org/10.1109/PEDES56012.2022.10080770","url":null,"abstract":"In this paper, a synchronous reluctance motor (SyRM) drive-based water pumping system integrated to a three-phase distributional grid with seamless mode transition capabilities is presented. The system comprises a synchronous reluctance motor power through a voltage source converter (VSC), and a DC-DC boost converter is employed to fulfill different aspects in developing a reliable drive. Two sources namely solar photovoltaic array (SPVA) and distribution grid are available to drive the water pumping system. The SPVA is linked to the DC link via the DC-DC boost converter, and the three-phase grid is interfaced through a voltage source converter (VSC) at the DC link. The presented system is also enabled with synchronization and seamless mode transfer control to meet the drive demand irrespective of the availability of either source. In grid coupled mode, the VSC operates in current control mode using second-order generalized integrator with frequency locked loop (SOGI FLL), in the grid decoupled mode the VSC operates in voltage control mode to maintain rated voltage at the point of common coupling (PCC). The developed system follows the practices presented in the IEEE-519 standard and the presented system is validated using a hardware prototype and the recorded experimental results verify the efficacy of the system.","PeriodicalId":161541,"journal":{"name":"2022 IEEE International Conference on Power Electronics, Drives and Energy Systems (PEDES)","volume":"7 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2022-12-14","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"123974326","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
Design and Analysis of an Active Adaptive and Regenerative Snubber for PSFB Converter PSFB变换器有源自适应再生缓冲器的设计与分析
2022 IEEE International Conference on Power Electronics, Drives and Energy Systems (PEDES) Pub Date : 2022-12-14 DOI: 10.1109/PEDES56012.2022.10080644
Vijaymahantesh V Surkod, K. Vasudevan
{"title":"Design and Analysis of an Active Adaptive and Regenerative Snubber for PSFB Converter","authors":"Vijaymahantesh V Surkod, K. Vasudevan","doi":"10.1109/PEDES56012.2022.10080644","DOIUrl":"https://doi.org/10.1109/PEDES56012.2022.10080644","url":null,"abstract":"This paper presents a detailed design and analysis of an active adaptive and regenerative snubber for a phase shifted full bridge converter. A high voltage overshoot at the full bridge rectifier diodes of a PSFB converter occurs due to parasitic components such as transformer leakage inductance and diode capacitance. A snubber is essential in this converter to limit the voltage overshoot and the stress on the diodes. A control methodology for the snubber is proposed that reduces the snubber switching frequency and makes the clamping voltage a function of input voltage that helps in reducing voltage stress, voltage ringing magnitude on the secondary diodes, and hence the EMI. The energy efficiency of the snubber is determined, and theoretical energy efficiency and power loss comparisons with other approaches in the literature are presented.","PeriodicalId":161541,"journal":{"name":"2022 IEEE International Conference on Power Electronics, Drives and Energy Systems (PEDES)","volume":"53 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2022-12-14","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"125568831","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
Hybrid Firefly-PSO MPPT Based Single Stage Induction Motor for PV Water Pumping With Deep Fuzzy-Neural Network Learning 基于深度模糊神经网络学习的混合萤火虫- pso - MPPT单级感应电机用于光伏水泵
2022 IEEE International Conference on Power Electronics, Drives and Energy Systems (PEDES) Pub Date : 2022-12-14 DOI: 10.1109/PEDES56012.2022.10080780
Neeraj Priyadarshi, M. Bhaskar, Prabhakar Modak, Niraj Kumar
{"title":"Hybrid Firefly-PSO MPPT Based Single Stage Induction Motor for PV Water Pumping With Deep Fuzzy-Neural Network Learning","authors":"Neeraj Priyadarshi, M. Bhaskar, Prabhakar Modak, Niraj Kumar","doi":"10.1109/PEDES56012.2022.10080780","DOIUrl":"https://doi.org/10.1109/PEDES56012.2022.10080780","url":null,"abstract":"The presented research explains a hybrid firefly algorithm (FA)-particle swarm optimization (PSO) based maximum power point tracking (MPPT) for single stage induction motor run photovoltaic (PV) water pump architecture. The exploration and exploitation equivalence is achieved using the hybrid FA-PSO technique, which provides high convergence speed, accurate PV power tracking, fewer oscillations closer to the global maximum power point (GMPP), and improved global and local search performance under varying operating conditions. The proposed induction motor driven PV system has been made without mechanical sensors and has a low cost which is regulated using a field oriented controller (FOC) with a deep fuzzy neural network algorithm. The consummation of the introduced PV based water pumping is justified over steady and transient variations of sun irradiation in which MPPT and DC-link voltage utilization are regulated through VSI (voltage source inverter).","PeriodicalId":161541,"journal":{"name":"2022 IEEE International Conference on Power Electronics, Drives and Energy Systems (PEDES)","volume":"1 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2022-12-14","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"130024726","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
Two TS-Fuzzy Controllers based Direct Torque Control of 5-Phase Induction Motor 基于ts -模糊控制器的五相异步电动机直接转矩控制
2022 IEEE International Conference on Power Electronics, Drives and Energy Systems (PEDES) Pub Date : 2022-12-14 DOI: 10.1109/PEDES56012.2022.10080625
Malik G. Al-Ghanimi, Omar Hanif, Mahit V. Jain, A. S. Kumar, R. V, R. Kavin, S. G. Malla, J. M. Malla, M. Hossain
{"title":"Two TS-Fuzzy Controllers based Direct Torque Control of 5-Phase Induction Motor","authors":"Malik G. Al-Ghanimi, Omar Hanif, Mahit V. Jain, A. S. Kumar, R. V, R. Kavin, S. G. Malla, J. M. Malla, M. Hossain","doi":"10.1109/PEDES56012.2022.10080625","DOIUrl":"https://doi.org/10.1109/PEDES56012.2022.10080625","url":null,"abstract":"The interest on five phase induction motor drives is gradually increasing due to its wide variety of applications including electric vehicles, high compressor systems, ship propulsion etc. The designing of a proper controller to make 5-phase induction motor based electric drive is playing a vital role for many usages among many controllers, a direct torque controller (DTC) is a famous technique to achieve motor torque with fewer ripples. Moreover, Takagi Suguno - Fuzzy (TS-Fuzzy) controllers can provide fast response under rapid changes of inputs. Therefore, TS-Fuzzy based DTC of 5-phase induction motor drive is proposed in this paper. Further, the space vector modulation technique is implemented for obtaining proper pulse sequence for 5-phase inverter to drive the motor. In order to achieve smooth control of both torque and flux, two fuzzy logic controllers are deployed on the DTC of the motor. For better illustration, responses of the proposed TS-Fuzzy based DTC of 5-phase induction motor are compared with 3-phase motor. The proposed method is simulated and presented in this paper to analyze the performance of the proposed method under various conditions.","PeriodicalId":161541,"journal":{"name":"2022 IEEE International Conference on Power Electronics, Drives and Energy Systems (PEDES)","volume":"1 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2022-12-14","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"130276999","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
Efficient holdup circuit design to meet power quality requirements for single or dual isolated input bus 高效保持电路设计,满足单或双隔离输入总线的电能质量要求
2022 IEEE International Conference on Power Electronics, Drives and Energy Systems (PEDES) Pub Date : 2022-12-14 DOI: 10.1109/PEDES56012.2022.10080130
R. Ranjan, Nidhi Tiwari, Nishanth Beedu, Animesh Mukherjee, Vani Shishodia
{"title":"Efficient holdup circuit design to meet power quality requirements for single or dual isolated input bus","authors":"R. Ranjan, Nidhi Tiwari, Nishanth Beedu, Animesh Mukherjee, Vani Shishodia","doi":"10.1109/PEDES56012.2022.10080130","DOIUrl":"https://doi.org/10.1109/PEDES56012.2022.10080130","url":null,"abstract":"Reliability, size and cost are essential parameters that are considered for airworthy hardware. The primary function of an avionics grade power supply is to provide the desired regulated output voltages and comply with the various power quality and switching bus transients (also called holdup time) [1]–[3]. These switching bus transients call for energy storage components like capacitor banks, which can store energy during nominal operation and deliver the energy back during these power interruptions. The conventional way to achieve the holdup time is by having the holdup circuitry on the primary side. There have been multiple primary side holdup methodologies for extending the holdup time, like boosting the holdup voltage circuitry. [4]–[11]. There are many drawbacks and limitations associated with conventional design for holdup solutions where the holdup circuit is based on the primary side of the power supply. The holdup capacitors need to be designed to take care of the efficiency of both the step-down buck converter and the DC-DC converter, which are used to regulate the output from the input bus. In the case of a dual input bus system, the galvanic isolation between the two input buses dictates the use of two separate holdup circuitries for the two input buses. Another major drawback with primary side holdup circuitry is that the higher boosted voltage will result in the implementation of safety requirements which will call for a bleeder circuit to dissipate the holdup capacitor energy to reduce the boost voltage to a safe limit. The design solution explained in this paper overcomes the limitations and drawbacks of conventional holdup design solutions with less form fit, lower cost, and higher reliability. The solution is implemented and tested in a dual input bus airworthy system where electrical isolation is needed between the input power buses and the input power bus to output. The holdup circuit architecture discussed in the paper is based on the secondary side and is referenced to the secondary return (chassis). This unique architectural change ensures that only one set of holdup circuitry is sufficient to meet the redundant bus power interrupt requirements without compromising the isolation requirements and higher efficiency.","PeriodicalId":161541,"journal":{"name":"2022 IEEE International Conference on Power Electronics, Drives and Energy Systems (PEDES)","volume":"38 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2022-12-14","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"129446635","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
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