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2018 IEEE International Power Electronics and Application Conference and Exposition (PEAC)最新文献

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Experimental Study on Fast Isolating Switch With Vacuum Multi-breaks 真空多断路快速隔离开关的实验研究
2018 IEEE International Power Electronics and Application Conference and Exposition (PEAC) Pub Date : 2018-11-01 DOI: 10.1109/PEAC.2018.8590222
Bin Liu, Pengcheng Xie, Haibo Yu, Jie Xiong, Xiaobo Zhang
{"title":"Experimental Study on Fast Isolating Switch With Vacuum Multi-breaks","authors":"Bin Liu, Pengcheng Xie, Haibo Yu, Jie Xiong, Xiaobo Zhang","doi":"10.1109/PEAC.2018.8590222","DOIUrl":"https://doi.org/10.1109/PEAC.2018.8590222","url":null,"abstract":"Fast isolating switch is one of the key components of Hybrid DC circuit breaker. It is difficult for conventional breakers to provide such a fast operating speed when the switching time is within a few milliseconds. In this paper, based on the study of the vacuum switch, focusing on the application of small vacuum gap in DC isolation, arcless breaking situation, a series of experiments were designed. After solving the problems of synchronous as well as voltage distribution in every break, a 200kV DC fast isolating switch with less than 3ms switching time is developed, And through the whole test of DC circuit breaker.","PeriodicalId":446770,"journal":{"name":"2018 IEEE International Power Electronics and Application Conference and Exposition (PEAC)","volume":"29 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2018-11-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"132600129","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
A Voltage Stability Control based on Impedance Estimation for the Independent Microgrid 基于阻抗估计的独立微电网电压稳定控制
2018 IEEE International Power Electronics and Application Conference and Exposition (PEAC) Pub Date : 2018-11-01 DOI: 10.1109/PEAC.2018.8590374
Lijun Wang, Herong Gu, Haihan. Ou, Xiaohui Dou
{"title":"A Voltage Stability Control based on Impedance Estimation for the Independent Microgrid","authors":"Lijun Wang, Herong Gu, Haihan. Ou, Xiaohui Dou","doi":"10.1109/PEAC.2018.8590374","DOIUrl":"https://doi.org/10.1109/PEAC.2018.8590374","url":null,"abstract":"The impedance distribution and characteristics of microgrid system tend to be complicated because of the diversification of DGs types and uncertainty in accessing to microgrid, which not only affects the operational performance of the microsource with conventional control method, but also the stability of the microgrid system. To deal with the uncertainty of line impedance, a feeder power-flow control strategy of microsource inverters based on line impedance real-time estimating is proposed in this paper. The feeder impedance of the microsource is estimated with the extended Kalman filter algorithm, so the distribution factor of feeder reactive power can be adjusted accordingly. The simulation and experimental results show that the distributions of the feeder reactive power flow of the microsource could be optimized using the proposed control strategy, and the voltage stability of the microgrid system could be improved.","PeriodicalId":446770,"journal":{"name":"2018 IEEE International Power Electronics and Application Conference and Exposition (PEAC)","volume":"31 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2018-11-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"133279948","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: 6
A Novel Modeling Method for Nonlinear Magnetic Devices Reflect Magnetic Circuit and Circuit Characteristics 一种反映磁路和电路特性的非线性磁器件建模新方法
2018 IEEE International Power Electronics and Application Conference and Exposition (PEAC) Pub Date : 2018-11-01 DOI: 10.1109/PEAC.2018.8590556
Lei Wang, Hongzhu Li, Jinpei Duan, Donglai Zhang
{"title":"A Novel Modeling Method for Nonlinear Magnetic Devices Reflect Magnetic Circuit and Circuit Characteristics","authors":"Lei Wang, Hongzhu Li, Jinpei Duan, Donglai Zhang","doi":"10.1109/PEAC.2018.8590556","DOIUrl":"https://doi.org/10.1109/PEAC.2018.8590556","url":null,"abstract":"An novel hybrid modeling method of magnetic device with transformer and inductor is proposed, which combining with advantages of magnetic circuit - electric circuit dual transformation method and and gyrator - capacitance transformation method. The new modeling method proposed in this paper can reflect the characteristics of magnetic circuit and electric circuit at the same time, as well as physical concept of the parameters. According to electromagnetic theory, unified model which reflecting magnetic circuit and the circuit is established, and the nonlinear hybrid simulation model of reflecting impedance characteristics and hysteresis effect is proposed based on the Fractional characteristic analysis of magnetic coupling transformer and inductor and mathematical derivation. modeling and analysis the inductor and transformer magnetic integration of LLC converter using the proposed method, results confirmed the correctness and effectiveness of the proposed magnetic device hybrid modeling method, the design concept is clear and the model is simple which can help to effectively broaden the theory of modeling method for nonlinear magnetic devices combining inductance and transformer.","PeriodicalId":446770,"journal":{"name":"2018 IEEE International Power Electronics and Application Conference and Exposition (PEAC)","volume":"296 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2018-11-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"133944678","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
Cooperative Control for DC Microgrid with Large Power Disturbance 大扰动下直流微电网的协同控制
2018 IEEE International Power Electronics and Application Conference and Exposition (PEAC) Pub Date : 2018-11-01 DOI: 10.1109/PEAC.2018.8590378
Z. Luo, H. Geng, G. Zhu
{"title":"Cooperative Control for DC Microgrid with Large Power Disturbance","authors":"Z. Luo, H. Geng, G. Zhu","doi":"10.1109/PEAC.2018.8590378","DOIUrl":"https://doi.org/10.1109/PEAC.2018.8590378","url":null,"abstract":"DC microgrid is receiving growing attention due to its high efficiency and controllability. With the penetration of renewable energy sources (RES) continuously increasing among modern power systems, DC microgrid has to face the issues of large disturbance in generation/loads owing to the randomness of both RES and power consumption. This paper presents a cooperative control method for islanded DC microgrid combing the advantages of both decentralized control and centralized control. In this cooperative control, the primary control is applied in distributed generators (DGs) to maintain the local voltage autonomously with the proposed droop method; in the secondary control, centralized microgrid center controller (MGCC) regulates the energy storage system (ESS) to participate in power regulation, only when primary control cannot maintain the voltage within a settled range. The effectiveness of the cooperative control method is verified by MATLAB/Simulink simulations.","PeriodicalId":446770,"journal":{"name":"2018 IEEE International Power Electronics and Application Conference and Exposition (PEAC)","volume":"47 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2018-11-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"132231533","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
Coordinated Optimization of Capacitor Voltage Ripple and Current Stress Minimization for Modular Multilevel Converter 模块化多电平变换器电容电压纹波与电流应力最小化的协调优化
2018 IEEE International Power Electronics and Application Conference and Exposition (PEAC) Pub Date : 2018-11-01 DOI: 10.1109/PEAC.2018.8590413
Ang Li, Lei Lin, Chenxing Xu, Shirong Yang
{"title":"Coordinated Optimization of Capacitor Voltage Ripple and Current Stress Minimization for Modular Multilevel Converter","authors":"Ang Li, Lei Lin, Chenxing Xu, Shirong Yang","doi":"10.1109/PEAC.2018.8590413","DOIUrl":"https://doi.org/10.1109/PEAC.2018.8590413","url":null,"abstract":"For an optimal performance of a modular multilevel converter (MMC), a tradeoff between multiple objectives can be complex. The injection of zero sequence voltage and circulating current can enlarge modulation index and to diminish the submodule capacitor voltage fluctuation. In this paper, a multi-objective genetic optimization algorithm is proposed to improve the performance of MMC in minimizing both the capacitor voltage ripple and current stress. The amplitude and phases of the circulating current and zero sequence voltage are designed in optimal coordination. Simulation in MATLAB/Simulink is implemented to validate the effectiveness and feasibility of the proposed method.","PeriodicalId":446770,"journal":{"name":"2018 IEEE International Power Electronics and Application Conference and Exposition (PEAC)","volume":"61 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2018-11-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"134215561","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
Single-stage Differential Current-fed Isolated AC-DC Converter for Electrolytic Capacitor-less OBC with DC Charging 用于无电解电容直流充电的单级差动电流隔离AC-DC变换器
2018 IEEE International Power Electronics and Application Conference and Exposition (PEAC) Pub Date : 2018-11-01 DOI: 10.1109/PEAC.2018.8590646
Ali Tausif, Sewan Choi
{"title":"Single-stage Differential Current-fed Isolated AC-DC Converter for Electrolytic Capacitor-less OBC with DC Charging","authors":"Ali Tausif, Sewan Choi","doi":"10.1109/PEAC.2018.8590646","DOIUrl":"https://doi.org/10.1109/PEAC.2018.8590646","url":null,"abstract":"In this paper a single-stage single-phase differential Current-fed isolated AC-DC converter is proposed. This converter eliminates the requirement to use bulky electrolytic capacitor from the system and at the same time provides DC charging by employing the AC Power Decoupling waveform control method. All the switches of the converter achieve ZVS turn on during half line cycle and all diodes achieve ZCS turn off during entire line cycle. A conventional controller is implemented for PFC control and output regulation, whereas a power decoupling controller is added to compensate 2nd harmonic ripple power. In addition, an interleaving technique is applied to increase the power range of the converter and reduce the input inductor size. In the end simulation verification and experimental results are obtained.","PeriodicalId":446770,"journal":{"name":"2018 IEEE International Power Electronics and Application Conference and Exposition (PEAC)","volume":"2 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2018-11-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"134442334","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
A Novel Three-phase Buck-type Rectifier and Its Analysis 一种新型三相buck型整流器及其分析
2018 IEEE International Power Electronics and Application Conference and Exposition (PEAC) Pub Date : 2018-11-01 DOI: 10.1109/PEAC.2018.8590284
Xiao Hongxia, Zhang Cuijie, L. Bin, Cai Jinqi, Liu Jun
{"title":"A Novel Three-phase Buck-type Rectifier and Its Analysis","authors":"Xiao Hongxia, Zhang Cuijie, L. Bin, Cai Jinqi, Liu Jun","doi":"10.1109/PEAC.2018.8590284","DOIUrl":"https://doi.org/10.1109/PEAC.2018.8590284","url":null,"abstract":"A new three-phase buck-type PFC rectifier is presented in this paper. The efficiency is improved since only two of the switches are working at high frequency while the rest are in the low-frequency state. Firstly, the various switching states of the PFC rectifier are analyzed and the working rules of the two high-frequency switches are illustrated. On one hand, the two high-frequency switches performance as the ordinary BUCK circuit to guarantee the stability of the output voltage, on the other hand, by adjusting duty ratios of high-frequency switches, the three-phase input current is controlled. Then, the modulation is discussed and the design of corresponding controller is given. Finally, the effectiveness of the buck-type PFC rectifier is verified through simulations and experiments.","PeriodicalId":446770,"journal":{"name":"2018 IEEE International Power Electronics and Application Conference and Exposition (PEAC)","volume":"4 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2018-11-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"134621188","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
Turn-to-Turn Short Circuit of Motor Stator Fault Diagnosis in Continuous State Based on Deep Auto-Encoder 基于深度自编码器的电机定子连续状态匝间短路故障诊断
2018 IEEE International Power Electronics and Application Conference and Exposition (PEAC) Pub Date : 2018-11-01 DOI: 10.1109/PEAC.2018.8590283
Bo-Hung Wang, Kexing Xu, Tingting Zheng, C. Shen
{"title":"Turn-to-Turn Short Circuit of Motor Stator Fault Diagnosis in Continuous State Based on Deep Auto-Encoder","authors":"Bo-Hung Wang, Kexing Xu, Tingting Zheng, C. Shen","doi":"10.1109/PEAC.2018.8590283","DOIUrl":"https://doi.org/10.1109/PEAC.2018.8590283","url":null,"abstract":"The motor is one of the most commonly used equipment in the industry. It is necessary to ensure the reliability of the motor, and identify the type of motor fault in time to ensure the normal operation of the motor and reduce the loss. In this paper, a turn-to-turn short circuit of motor stator and unbalance power supply fault diagnosis system based on Deep Auto-Encoder and Soft-max Classifier is proposed. The influence of neural network parameters on the training process and the choice of parameters are given. The proposed fault diagnosis system can map the motor state to a 2-dimension vector, corresponding to different area of a plane to identify different fault type. Finally, the proposed system is verified by experiment on a motor in laboratory. The conclusion shows the ability to identify the fault type of motor at the continuous state that the accuracy is above 99.5%, when only the data from motor at discrete state point are used in training, which makes the system extensible and promising.","PeriodicalId":446770,"journal":{"name":"2018 IEEE International Power Electronics and Application Conference and Exposition (PEAC)","volume":"9 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2018-11-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"133051929","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: 16
A Novel Simplified Space Vector Modulation Algorithm for Multilevel Converters 一种新的多电平变换器简化空间矢量调制算法
2018 IEEE International Power Electronics and Application Conference and Exposition (PEAC) Pub Date : 2018-11-01 DOI: 10.1109/PEAC.2018.8590383
Hongda Wu, Jinjun Liu, Shaodi Ouyang, Yan Zhang, Xingxing Chen, Shuguang Song
{"title":"A Novel Simplified Space Vector Modulation Algorithm for Multilevel Converters","authors":"Hongda Wu, Jinjun Liu, Shaodi Ouyang, Yan Zhang, Xingxing Chen, Shuguang Song","doi":"10.1109/PEAC.2018.8590383","DOIUrl":"https://doi.org/10.1109/PEAC.2018.8590383","url":null,"abstract":"Space Vector Modulation (SVM) is widely used in traditional three-phase converters, but it suffers from issues of heavy computation cost and intense memory usage when extended to multilevel converters. This paper proposed a novel simplified SVM algorithm based on a new coordinate system, referred to as H-D coordinates, and the mapping table method. The calculation based on H-D coordinates is independent of voltage level. Its computation cost is the least compared with other orthogonal and non-orthogonal coordinate systems. The mapping table method enables SVM algorithm to achieve a constant space complexity for storage and it can be further simplified when combined with H-D coordinates. For the problem of selecting switching state, the criteria of minimum common-mode voltage is adopted. Thus obtaining the switching state is quite simple. Based on the statements above, the proposed algorithm is suitable for large level-number converters like modular multilevel converters (MMCs). Simulations in various operating conditions are given.","PeriodicalId":446770,"journal":{"name":"2018 IEEE International Power Electronics and Application Conference and Exposition (PEAC)","volume":"55 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2018-11-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"114152054","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
Power Trading Strategy and Risk Management for Electricity Retailers Considering Interruptible Load 考虑可中断负荷的电力零售商电力交易策略与风险管理
2018 IEEE International Power Electronics and Application Conference and Exposition (PEAC) Pub Date : 2018-11-01 DOI: 10.1109/PEAC.2018.8590500
Xiaopeng Yu, Xiao Lyu, S. Luo, Xuan Zhao, Xu Wang, Meng Yang
{"title":"Power Trading Strategy and Risk Management for Electricity Retailers Considering Interruptible Load","authors":"Xiaopeng Yu, Xiao Lyu, S. Luo, Xuan Zhao, Xu Wang, Meng Yang","doi":"10.1109/PEAC.2018.8590500","DOIUrl":"https://doi.org/10.1109/PEAC.2018.8590500","url":null,"abstract":"With the implementation of the China’s power system reform, more and more social capitals have entered the electricity market, and the competition in the market has also gotten fiercer. The electricity retailers need to fully mobilize their consumer’s demand response capabilities to increase operating efficiency and reduce the risk of purchasing and sales electricity. This paper introduces an interruptible load (IL) project during the power purchasing and sales business. A bi-level optimization model for retailer’s trading strategy and risk management is proposed. The upper level is to maximize the Conditional_value_at_risk (CVaR) considering the retailer’s profit and business risk, and the lower level is to maximize the consumer satisfaction. The case studies show that the electricity retailer should formulate a four-segment interruptible load contract, encourage their customers to choose as many compensational options as possible and take consumer satisfaction into full consideration. The proposed strategy will help retailers to gain more market share and enhance the competitiveness of the company.","PeriodicalId":446770,"journal":{"name":"2018 IEEE International Power Electronics and Application Conference and Exposition (PEAC)","volume":"57 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2018-11-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"116566705","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: 6
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