Analysis of H6, HERIC and FB Single-Phase Transformerless Grid-Tied Inverter for minimization of leakage current using SVPWM strategy.

2022 IEEE 2nd International Conference on Sustainable Energy and Future Electric Transportation (SeFeT) Pub Date : 2022-08-04 DOI:10.1109/SeFeT55524.2022.9908799

K. Uday, M. Chakravarthy, B. Mangu

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引用次数: 2

Abstract

Renewable energy resources are becoming more prominent than non-renewable energy resources due to their replenishing nature on the earth. Among these renewable energy resources, Solar PV and Wind play a major role. To accomplish the low cost and higher efficiency in transformerless inverters PV power systems are majorly used. This work presents a comparison of transformerless PV grid-tied inverter topologies. Among these topologies, are the full bridge converter, Heric Converter and H6 converter. The pulses are generated to the inverter by closed loop based SVPWM (space vector pulse width modulation) technique and for step-up (boost converter) the pulses are generated by using the MPPT controlling technique. For attaining the safety measures of leakage currents, different topologies of the transformerless inverters are designed. The performance results evaluate the best inverter topology for the reduction of leakage currents in the system. The simulation results are evaluated by using MATLAB/Simulink Software.

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基于SVPWM策略的H6、HERIC和FB单相无变压器并网逆变器漏电流最小化分析

由于可再生能源在地球上的可补给性，它比不可再生能源更加突出。在这些可再生能源中，太阳能光伏和风能发挥着重要作用。为了实现无变压器逆变器的低成本和高效率，主要采用光伏发电系统。这项工作提出了无变压器光伏并网逆变器拓扑结构的比较。在这些拓扑结构中，有全桥转换器、Heric转换器和H6转换器。脉冲通过基于闭环的SVPWM(空间矢量脉宽调制)技术产生到逆变器，脉冲通过MPPT控制技术产生到升压变换器。为了实现泄漏电流的安全措施，设计了不同拓扑结构的无变压器逆变器。性能结果评估了减少系统漏电流的最佳逆变器拓扑结构。利用MATLAB/Simulink软件对仿真结果进行了评价。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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2022 IEEE 2nd International Conference on Sustainable Energy and Future Electric Transportation (SeFeT)

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