2017 8th Power Electronics, Drive Systems & Technologies Conference (PEDSTC)最新文献_第3页

Single-phase multi-source on-line UPS with isolated battery charger 带隔离式电池充电器的单相多源在线UPS

2017 8th Power Electronics, Drive Systems & Technologies Conference (PEDSTC) Pub Date : 1900-01-01 DOI: 10.1109/PEDSTC.2017.7910327

E. Bagheri, N. Tashakor, E. Farjah, T. Ghanbari

{"title":"Single-phase multi-source on-line UPS with isolated battery charger","authors":"E. Bagheri, N. Tashakor, E. Farjah, T. Ghanbari","doi":"10.1109/PEDSTC.2017.7910327","DOIUrl":"https://doi.org/10.1109/PEDSTC.2017.7910327","url":null,"abstract":"Uninterruptible Power Supplies (UPSs) are used to supply a wide variety of critical loads in situations of power outage or unexpected voltage fluctuations. Various UPS topologies provide different level of power quality to the critical load. On-line topology provides the best protection, and it is often the preferred choice for larger UPS installations. This paper presents a single-phase multi-source on-line UPS with isolated battery charger. The proposed structure consists of a boost rectifier, an inverter, and Bidirectional battery charger that is integrated with a Photovoltaic (PV) system. In conventional UPS systems, the battery is charged during normal operation from the grid and discharged to supply the loads during emergency conditions. Operation of grid and PV system as sources in parallel, utilizes the energy that the PV offers, solves PV system fluctuations, and increases the overall accessibility. Furthermore, the performance of UPS is improved by the switching rectifier in the grid side. Isolation would increase UPS flexibility and ensures compatibility with the required safety issues. The basic principles of the developed system and control algorithms are discussed in detail. Performance of the proposed structure is analysed and confirmed using simulations in MATLAB/Simulink software.","PeriodicalId":414828,"journal":{"name":"2017 8th Power Electronics, Drive Systems & Technologies Conference (PEDSTC)","volume":"2 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1900-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"133106823","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Model-predictive Direct Power Control of three-phase three-level NPC PWM rectifier 三相三电平NPC PWM整流器的模型预测直接功率控制

2017 8th Power Electronics, Drive Systems & Technologies Conference (PEDSTC) Pub Date : 1900-01-01 DOI: 10.1109/PEDSTC.2017.7910394

Alireza Lahooti Eshkevari, M. Arasteh

引用次数: 7

Robust control of a DC-DC boost converter: H2 and H∞ techniques DC-DC升压变换器的鲁棒控制:H2和H∞技术

2017 8th Power Electronics, Drive Systems & Technologies Conference (PEDSTC) Pub Date : 1900-01-01 DOI: 10.1109/PEDSTC.2017.7910360

Yousef Khayat, Mobin Naderi, Q. Shafiee, Y. Batmani, M. Fathi, H. Bevrani

引用次数: 13

Predictive control of multi-input switched-capacitor DC-DC converter with reduced switching Frequency 低开关频率多输入开关电容DC-DC变换器的预测控制

2017 8th Power Electronics, Drive Systems & Technologies Conference (PEDSTC) Pub Date : 1900-01-01 DOI: 10.1109/PEDSTC.2017.7910386

M. Khosravi, D. Khaburi, S. Heshmatian

{"title":"Predictive control of multi-input switched-capacitor DC-DC converter with reduced switching Frequency","authors":"M. Khosravi, D. Khaburi, S. Heshmatian","doi":"10.1109/PEDSTC.2017.7910386","DOIUrl":"https://doi.org/10.1109/PEDSTC.2017.7910386","url":null,"abstract":"In this paper, a high step-up multi-input switched-capacitor DC-DC converter is studied for hybrid renewable energy system applications. A modified model predictive controller is proposed for this converter in order to appropriately track the reference input currents with minimum number of switching actions. In comparison to the classical PI controllers, which are widely used in this application, the proposed controller provides notable advantages such as elimination of additional modulation stages and improving the dynamic and steady state performance. Moreover, designing PI controllers and tuning their parameters is more difficult for a multi-input converter, compared to a single-input one, since the behaviors of the multi-input converter input currents are not independent. However, the conventional predictive control scheme will result in ripple components due to its variable switching frequency performance. Therefore, some modifications are made in the design procedure to overcome the aforementioned problem of the conventional predictive scheme and improve the converter efficiency. Finally, the performance of the designed controller is verified and compared with the conventional predictive control scheme through simulation in MATLB/Simulink environment.","PeriodicalId":414828,"journal":{"name":"2017 8th Power Electronics, Drive Systems & Technologies Conference (PEDSTC)","volume":"96 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1900-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"115927074","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

An improved transformerless grid connected photovoltaic inverter with reduced leakage current and soft-switching technique 采用小漏电流和软开关技术的改进无变压器光伏并网逆变器

2017 8th Power Electronics, Drive Systems & Technologies Conference (PEDSTC) Pub Date : 1900-01-01 DOI: 10.1109/PEDSTC.2017.7910370

Ali Zarein, M. Ghazizadeh, A. Mosallanejad

引用次数: 1

Adaptive control strategy of four-leg active power filter with LCL grid filter 基于LCL网格滤波器的四腿有源电力滤波器自适应控制策略

2017 8th Power Electronics, Drive Systems & Technologies Conference (PEDSTC) Pub Date : 1900-01-01 DOI: 10.1109/PEDSTC.2017.7910383

S. Sedghi, A. Dastfan, A. Ahmadyfard, A. Akbarzadeh Kalat

引用次数: 3

Applying an optimized switching strategy to a high gain boost converter for input current ripple cancellation 将一种优化的开关策略应用于高增益升压变换器以消除输入电流纹波

2017 8th Power Electronics, Drive Systems & Technologies Conference (PEDSTC) Pub Date : 1900-01-01 DOI: 10.1109/PEDSTC.2017.7910319

A. Naderi, K. Abbaszadeh

{"title":"Applying an optimized switching strategy to a high gain boost converter for input current ripple cancellation","authors":"A. Naderi, K. Abbaszadeh","doi":"10.1109/PEDSTC.2017.7910319","DOIUrl":"https://doi.org/10.1109/PEDSTC.2017.7910319","url":null,"abstract":"This paper discusses applying various switching strategies such as conventional complementary and proportional methods on a specific converter. This converter was recently presented and it can provide high voltage gain and has current ripple cancelation ability at a preselected duty-cycle. The input current ripple is zero when the converter works at a special duty-cycle. But load disturbance leads to output voltage changes that maybe cause the duty-cycle to deviate from its preselected value. In this situation, the input current ripple cannot be completely canceled. The proposed proportional strategy is an optimized method for minimizing input current ripple at other operating duty-cycles and also it provides a voltage gain lower than conventional complementary strategy. Here, the converter's performance is analyzed under two switching strategies and the effect of various strategies has been investigated on converter parameters including output voltage and input current ripple. These considerations are verified by implementing a 100-W prototype of the proposed converter in laboratory.","PeriodicalId":414828,"journal":{"name":"2017 8th Power Electronics, Drive Systems & Technologies Conference (PEDSTC)","volume":"86 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1900-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"115919265","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

Fuzzy type-2 sliding mode control of matrix converter using indirect space vector modulation 基于间接空间矢量调制的矩阵变换器模糊2型滑模控制

2017 8th Power Electronics, Drive Systems & Technologies Conference (PEDSTC) Pub Date : 1900-01-01 DOI: 10.1109/PEDSTC.2017.7910354

S. T. Behrooz, M. Bekrani, M. Heydari

引用次数: 3

A robust active damping method to improve the parallel operation of micro-inverters in islanded microgrids 一种改善孤岛微电网中微逆变器并联运行的鲁棒主动阻尼方法

2017 8th Power Electronics, Drive Systems & Technologies Conference (PEDSTC) Pub Date : 1900-01-01 DOI: 10.1109/PEDSTC.2017.7910399

M. Mahdavyfakhr, Saman Dadjo Tavakoli, O. Safdarzadeh, M. Hamzeh

引用次数: 2

Nonlinear model predictive control of permanent magnet linear synchronous motor 永磁直线同步电动机的非线性模型预测控制

2017 8th Power Electronics, Drive Systems & Technologies Conference (PEDSTC) Pub Date : 1900-01-01 DOI: 10.1109/PEDSTC.2017.7910367

Loghman Abdi, N. Rostami, Peyman Bagheri, S. Tohidi

{"title":"Nonlinear model predictive control of permanent magnet linear synchronous motor","authors":"Loghman Abdi, N. Rostami, Peyman Bagheri, S. Tohidi","doi":"10.1109/PEDSTC.2017.7910367","DOIUrl":"https://doi.org/10.1109/PEDSTC.2017.7910367","url":null,"abstract":"Field oriented control (FOC) is considered as one of the most efficient techniques for speed tracking problem of permanent magnet linear synchronous motor (PMLSM) drives. However, the main inherent drawbacks of classic FOC methods are the high sensitivity to machine parameters, high switching frequency and unsuitable performances in tracking low speeds. In this paper, a new strategy based on nonlinear model predictive control (NMPC) is proposed to overcome the limitations of cascaded linear controllers and other problems inherent in classical controllers. The suggested controller directly controls the switches of inverter. In order to show the efficiency of the proposed control strategy, the system response is studied under uncertainty of the motor parameters and load disturbance. To more validations, the intense reduction of inverter switching frequency is studied in compare with well-known FOC scheme. The simulation results show that the proposed approach has as well tracking of speed trajectory under all operating conditions, and simultaneously, it reduces the average inverter switching frequency 90% rather than the classical FOC.","PeriodicalId":414828,"journal":{"name":"2017 8th Power Electronics, Drive Systems & Technologies Conference (PEDSTC)","volume":"6 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1900-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"126621667","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