用于可再生电网集成的昼夜可操作交叉钳位对称十三电平高功率变换器

IF 2 4区 工程技术 Q3 ENGINEERING, ELECTRICAL & ELECTRONIC
Shivam Kumar Yadav, Bhim Singh, Nidhi Mishra, Sanjeevikumar Padmanaban, Frede Blaabjerg
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引用次数: 0

摘要

本文提出了一种具有交叉钳位多电平结构的简化开关方法,用于公用电网中的高功率穿透。交叉臂变换器提供了一种新的解决方案,以更少的半导体开关数量馈送兆瓦级功率。较少的器件方法使其成为具有模块化功能的紧凑解决方案,以有效地处理电源。交叉臂连接两个太阳能光伏阵列,只有六个开关,在转换器电压中有对称的电平贡献。给出了13级可再生能源新系统的拓扑级解释和变换器模块模式。每个交叉连接的模块在单独的MPPT模式下运行两个光伏阵列,以有效地馈电。效率的提高是通过提供一个基本的切换逻辑的最接近的水平轮功能来保证的。基波调制确保在开关转换中损耗更少,并在白天和黑夜期间实现有效的功率控制。有功功率和无功功率的动态变化可以保证电网电压水平突然变化时的无功补偿。动态性能评估表明,随辐照度设定值的变化,变换器运行平稳。该系统在MATLAB和RT-LAB环境中建模,测试了大功率应用中新太阳能多级配置的兆瓦级可行性。
本文章由计算机程序翻译,如有差异,请以英文原文为准。

A Day and Night Operational Cross-Clamped Symmetric Thirteen-Level High Power Converter for Renewable Grid Integration

A Day and Night Operational Cross-Clamped Symmetric Thirteen-Level High Power Converter for Renewable Grid Integration

In this paper, a reduced switch approach with cross clamped multilevel configuration is presented for high power penetration in the utility grid. The cross arm converter gives a new solution to feed MW scale power with fewer count of semiconductor switches. The less device approach makes it a compact solution with modular functionality to handle power efficiently. A cross arm connects two solar PV arrays with only six switches to have symmetric level contribution in converter voltage. Topological level explanations and modes of converter modules are presented for the 13-level based new renewable energy system. Each cross connected module operates two PV arrays in individual MPPT mode to feed power efficiently. Efficiency enhancement is ensured with the nearest level round function to provide a fundamental switching logic. Fundamental modulation ensures fewer losses in switching transitions and efficient power control is achieved in day and night duration. Active and reactive power dynamics are shown to ensure reactive power compensation under sudden changes in grid voltage levels. Dynamic performance assessment shows that the converter operates smoothly with changes in irradiance set points. The system is modelled in MATLAB and RT-LAB environments, testing MW-scale feasibility of the new solar multilevel configuration for high power applications.

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来源期刊
Iet Generation Transmission & Distribution
Iet Generation Transmission & Distribution 工程技术-工程:电子与电气
CiteScore
6.10
自引率
12.00%
发文量
301
审稿时长
5.4 months
期刊介绍: IET Generation, Transmission & Distribution is intended as a forum for the publication and discussion of current practice and future developments in electric power generation, transmission and distribution. Practical papers in which examples of good present practice can be described and disseminated are particularly sought. Papers of high technical merit relying on mathematical arguments and computation will be considered, but authors are asked to relegate, as far as possible, the details of analysis to an appendix. The scope of IET Generation, Transmission & Distribution includes the following: Design of transmission and distribution systems Operation and control of power generation Power system management, planning and economics Power system operation, protection and control Power system measurement and modelling Computer applications and computational intelligence in power flexible AC or DC transmission systems Special Issues. Current Call for papers: Next Generation of Synchrophasor-based Power System Monitoring, Operation and Control - https://digital-library.theiet.org/files/IET_GTD_CFP_NGSPSMOC.pdf
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