IET Power Electronics最新文献_第8页

Triple active bridge converter in nanogrid applications: A direct interface for photovoltaic modules and storage 纳米电网应用中的三有源桥式转换器：光伏模块和储能的直接接口

IF 1.7 4区工程技术

IET Power Electronics Pub Date : 2024-04-17 DOI: 10.1049/pel2.12674

Danilo Santoro, Andrea Toscani, Paolo Cova, Nicola Delmonte

{"title":"Triple active bridge converter in nanogrid applications: A direct interface for photovoltaic modules and storage","authors":"Danilo Santoro, Andrea Toscani, Paolo Cova, Nicola Delmonte","doi":"10.1049/pel2.12674","DOIUrl":"10.1049/pel2.12674","url":null,"abstract":"Environmental issues and the global need to increase economically sustainable access to electricity addressed and boosted scientific research and use of Distributed Energy Resources, such as solar Photovoltaic (PV). Multi-port power converters can be of great interest for a compact and efficient interface between PV, storage units, and DC loads. The Triple Active Bridge (TAB) shows interesting advantages in terms of isolation and Zero Voltage Switching capabilities over wide load and input voltage ranges. This work aims to develop a TAB prototype for a NanoGrid (NG) application, analyzing the possibility of a direct interface of PV modules, storage units, and DC loads, without the use of intermediate conversion stages. The TAB prototype uses Gallium Nitride devices, and an evaluation of the overall efficiency is provided, useful to compare with other isolated three-port converters. Through an analytical approach, a TAB has been sized and optimized to meet specific application requirements. MATLAB/Simulink simulations have been done for the sizing validation and the control strategy design. A prototype has been developed and experimental measurements have been compared with simulation results. The TAB is proposed as a key element of DC NGs, but applications of interest are also automotive, More Electric Aircraft, and naval applications.","PeriodicalId":56302,"journal":{"name":"IET Power Electronics","volume":null,"pages":null},"PeriodicalIF":1.7,"publicationDate":"2024-04-17","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://onlinelibrary.wiley.com/doi/epdf/10.1049/pel2.12674","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"140693876","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 algorithm for open switch fault detection and fault tolerant control of interleaved DC-DC boost converters 用于检测开关断开故障和交错直流-直流升压转换器容错控制的新型算法

IF 2 4区工程技术

IET Power Electronics Pub Date : 2024-04-12 DOI: 10.1049/pel2.12687

Omid Zandi, Javad Poshtan

{"title":"A novel algorithm for open switch fault detection and fault tolerant control of interleaved DC-DC boost converters","authors":"Omid Zandi, Javad Poshtan","doi":"10.1049/pel2.12687","DOIUrl":"10.1049/pel2.12687","url":null,"abstract":"This paper presents a novel algorithm for fault diagnosis and fault tolerant control of interleaved boost converters (IBCs) in the presence of single or double simultaneous open-circuit faults (OCFs) in power switches. An innovative diagnosis signal (recorded by a cheap current sensor) will be introduced whose waveform mainly depends on the healthy or faulty condition of the converter. Since the diagnosis signal is periodic in the steady-state operation of the converters, its Fourier Series coefficients, together with the duty cycle of the converter are used as distinguishing features for fault diagnosis of the OCFs in the converter. The well-known Kalman filter is utilized for robust estimation of the Fourier-based features. Finally, the modulation of the remaining healthy phases is rearranged in a way that the pre-fault performance recovers. The proposed algorithm is verified in a laboratory four-phase IBC setup in which the experimental results show its satisfactory performance. Also, the structure of the proposed method is straightforward and can be implemented in the same microcontroller which is used for voltage and current regulation of the converter.","PeriodicalId":56302,"journal":{"name":"IET Power Electronics","volume":null,"pages":null},"PeriodicalIF":2.0,"publicationDate":"2024-04-12","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://onlinelibrary.wiley.com/doi/epdf/10.1049/pel2.12687","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"140587312","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

Output quality improvement for single-phase inverter in V2G system 提高 V2G 系统中单相逆变器的输出质量

IF 2 4区工程技术

IET Power Electronics Pub Date : 2024-04-09 DOI: 10.1049/pel2.12676

Yipei Wang, Ancheng Liu, A-Rim Kwak, Sung-Jun Park

{"title":"Output quality improvement for single-phase inverter in V2G system","authors":"Yipei Wang, Ancheng Liu, A-Rim Kwak, Sung-Jun Park","doi":"10.1049/pel2.12676","DOIUrl":"10.1049/pel2.12676","url":null,"abstract":"In vehicle-to-grid (V2G) applications, a voltage source inverter (VSI) directly connects to a residential load or grid for DC/AC conversion and power flow control. In VSI, dead-time is employed to prevent the breakdown of switching devices, however, the introduction of dead-time leads to distortions of output voltage and current in both stand-alone and grid-tie modes. For the case of a power factor of 1, by analyzing the dead-time effect of digital-controlled double-frequency sinusoidal pulse width modulation, a compensation amount is proposed to introduce in the modulation signals, the value of which is half of the delay register that generates a dead-time of td. Moreover, considering the phase delay caused by hardware and software filtering in sampling, the grid-tie mode control strategy based on dead-time compensation is further proposed, which introduces the grid voltage as a feedforward signal. A 3.5 kW V2G experimental prototype is built and tested to verify the feasibility of the proposed strategies. The simulation and experimental results show that the proposed methods are effective for both modes, which improve the output distortion for different dead-time without additional hardware circuits.","PeriodicalId":56302,"journal":{"name":"IET Power Electronics","volume":null,"pages":null},"PeriodicalIF":2.0,"publicationDate":"2024-04-09","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://onlinelibrary.wiley.com/doi/epdf/10.1049/pel2.12676","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"140587309","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 high step-up high step-down coupled inductor based bidirectional DC–DC converter with low voltage stress on switches 基于高升压、高降压耦合电感器的双向 DC-DC 转换器，开关电压应力低

IF 2 4区工程技术

IET Power Electronics Pub Date : 2024-04-08 DOI: 10.1049/pel2.12694

Pouya Abolhassani, Mohammad Maalandish, Ali Nadermohammadi, Mohammad Bagher Bannae Sharifian, Mohammad Reza Feyzi, Seyed Hossein Hosseini

{"title":"A high step-up high step-down coupled inductor based bidirectional DC–DC converter with low voltage stress on switches","authors":"Pouya Abolhassani, Mohammad Maalandish, Ali Nadermohammadi, Mohammad Bagher Bannae Sharifian, Mohammad Reza Feyzi, Seyed Hossein Hosseini","doi":"10.1049/pel2.12694","DOIUrl":"10.1049/pel2.12694","url":null,"abstract":"This paper proposes, a novel soft-switching bidirectional direct current to direct current (DC–DC) converter based on switched-capacitor and coupled-inductor. The proposed converter has a simple structure and utilizes four switches and a three-winding coupled inductor and can achieve a high voltage conversion ratio in both step-up/step-down operations. By employing the switched-capacitor technique, voltage stress across the power switches is low and therefore low voltage rating switches can be adopted to reduce the losses of their conduction. Soft-switching characteristic of the proposed converter reduces the switching loss of active power switches and raises the conversion efficiency. This paper presents theoretical analysis for all operating modes of the converter, voltage conversion ratio, voltage and current stresses of all power switches. Finally, to test the validity of theoretical results and demonstrate the performance of the converter, experimental results are provided.","PeriodicalId":56302,"journal":{"name":"IET Power Electronics","volume":null,"pages":null},"PeriodicalIF":2.0,"publicationDate":"2024-04-08","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://onlinelibrary.wiley.com/doi/epdf/10.1049/pel2.12694","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"140587937","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 validation of a novel semiconductor area optimised 3300 V SiC half bridge for MMC 设计和验证用于 MMC 的新型半导体面积优化 3300 V SiC 半桥

IF 2 4区工程技术

IET Power Electronics Pub Date : 2024-04-05 DOI: 10.1049/pel2.12693

Lukas Bergmann, Mark-M. Bakran

引用次数: 0

Second-harmonic current reduction of dual active bridge with triple-phase shift in two-stage single-phase inverter system 降低两级单相逆变器系统中三相移位双有源桥的二次谐波电流

IF 2 4区工程技术

IET Power Electronics Pub Date : 2024-04-04 DOI: 10.1049/pel2.12695

Jin Li, Yuming Zhang, Weiyi Tang

引用次数: 0

Optimal voltage angle for maximum torque per voltage control of induction machine in deep field-weakening region 深磁场削弱区感应机单位电压最大转矩控制的最佳电压角

IF 2 4区工程技术

IET Power Electronics Pub Date : 2024-04-04 DOI: 10.1049/pel2.12690

Ondrej Lipcak

{"title":"Optimal voltage angle for maximum torque per voltage control of induction machine in deep field-weakening region","authors":"Ondrej Lipcak","doi":"10.1049/pel2.12690","DOIUrl":"10.1049/pel2.12690","url":null,"abstract":"This paper investigates the optimal stator voltage angle in a rotor flux-oriented system of an induction machine drive, aiming to maximise machine torque while operating in a deep field weakening region. Here, torque maximisation leads to maximum torque per voltage control, as only voltage constraints are relevant in this region due to high back-electromotive force. Previous studies have predominantly focused on field-weakening operation and torque maximisation, assuming a constant synchronous speed. However, for a given rotor speed, the variation in the dq voltage components impacts the slip speed, thereby influencing the synchronous speed. Therefore, this paper proposes enhanced analytical expressions to address this limitation. It is shown that after a linearisation around a suitable operating point, a closed-form algebraic equation for calculating the speed and parameter-dependent optimal voltage angle for torque maximisation can be obtained. The theoretical analysis is supported by numerical and experimental results. The presented linearised expression is proven to be an effective tool for the analytical calculation of the optimal voltage angle, making it suitable for real-time control applications. It is shown that the proposed approach achieves higher drive torque and efficiency than the conventional voltage component distribution.","PeriodicalId":56302,"journal":{"name":"IET Power Electronics","volume":null,"pages":null},"PeriodicalIF":2.0,"publicationDate":"2024-04-04","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://onlinelibrary.wiley.com/doi/epdf/10.1049/pel2.12690","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"140587308","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

Fault-tolerant control of current residual vector three-phase four-switch motor drive system based on MLD model 基于 MLD 模型的电流残差矢量三相四开关电机驱动系统容错控制

IF 2 4区工程技术

IET Power Electronics Pub Date : 2024-04-04 DOI: 10.1049/pel2.12688

Dezhi Chen, Wenbo Zhao, Yun Sun, Wenliang Zhao, Zhixiang Zhang, Ziyuan Xin

引用次数: 0

Analysis, design, and reliability evaluation of a modified multi-port quasi-resonant converter with high gain 具有高增益的改进型多端口准谐振转换器的分析、设计和可靠性评估

IF 2 4区工程技术

IET Power Electronics Pub Date : 2024-04-01 DOI: 10.1049/pel2.12691

Sampath Harini, Chellammal Nallaperumal, Alireza Hosseinpour

{"title":"Analysis, design, and reliability evaluation of a modified multi-port quasi-resonant converter with high gain","authors":"Sampath Harini, Chellammal Nallaperumal, Alireza Hosseinpour","doi":"10.1049/pel2.12691","DOIUrl":"10.1049/pel2.12691","url":null,"abstract":"High-gain converters play a vital role in all industrial applications such as automobiles, motor drives, renewable energy systems, and railway transportation sectors. The conventional converters have low gain owing to high-voltage stress on active MOSFET, diode and low efficiency related with high operating pulse ratio. To overcome the limitations associated with the conventional converters, this study proposes a non-isolated configuration of multiport quasi-resonant converter (MP-QRC) with high gain. The proposed MP-QRC has the merits of high-voltage gain, reduced number of components, minimum conduction losses, realization of soft switching in the devices and improved reliability. Moreover, the proposed converter is scalable and can serve as a good candidate in microgrid environment where the integration of more than one input is essential. In this paper, first a comprehensive analysis of various operation modes and design constraints are presented. Further, the study is supported with a reliability evaluation of proposed converter based on component failure. Also, the futuristic behaviour of MP-QRC under continuous conduction mode as a function of operational and environmental variables is investigated to ascertain the reliability. The steady-state operation of the converter is demonstrated for off-board electric vehilce (EV) charging using MATLAB/SIMULINK and experiments performed on a 300-W test rig.","PeriodicalId":56302,"journal":{"name":"IET Power Electronics","volume":null,"pages":null},"PeriodicalIF":2.0,"publicationDate":"2024-04-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://onlinelibrary.wiley.com/doi/epdf/10.1049/pel2.12691","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"140587313","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

Grid voltage sensorless control of a single-phase shunt hybrid active power filter 单相并联混合有源电力滤波器的无电网电压传感器控制

IF 2 4区工程技术

IET Power Electronics Pub Date : 2024-04-01 DOI: 10.1049/pel2.12689

Mohammad-Sadegh Karbasforooshan, Mohammad Monfared

引用次数: 0