基于改进型 Cuk 电池的固有正弦单相电压源逆变器

Q1 Engineering
Misbahul Munir;Wisyahyadi;Arwindra Rizqiawan;Jihad Furqani
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引用次数: 0

摘要

由于传统的化石能源系统会造成严重的空气污染,因此可再生能源在发电方面变得非常重要。传统的化石能源发电厂正在逐步转型,采用可再生能源,如光伏(PV)电池。在光伏系统中,逆变器将太阳能电池板发出的直流电转换为普通电力负载所需的交流电。传统的 H 桥逆变器拓扑结构有几个缺点,如电压不是正弦波、直流电压开关和共模电压过高。共模电压会产生较大的泄漏电容电流,从而导致太阳能发电应用中的不良运行。解决这一问题的常见方法是在逆变器的输入或输出端增加一个大型滤波器。本文提出了一种以改进型 Cuk 转换器为基本单元的固有正弦电压源逆变器,它能同时产生正弦输出电压和较低的共模电压。所提出的拓扑结构不需要额外的输入或输出滤波器。分析表达式的推导证实了拟议拓扑结构的运行。仿真结果证实了数学分析。为验证所提出的逆变器,还进行了实验室规模的实验。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Inherently Sinusoidal Single-Phase Voltage Source Inverter Based on Modified Cuk Cell
Renewable energy has become important for electricity generation because of the high air pollution associated with conventional fossil-based energy systems. Conventional fossil-based power plants are gradually transitioning by incorporating renewable energy sources, such as photovoltaic (PV) cells. In a PV system, an inverter converts DC power from solar panels to AC power required to serve common electrical loads. A conventional H-bridge inverter topology has several disadvantages, such as the voltage being not sinusoidal, switching the DC voltage and high common-mode voltage. The common-mode voltage can cause a large leaked capacitive current, which can result in undesirable operation in solar power applications. A common solution to this problem is the addition of a large filter to the input or output of an inverter. An inherent sinusoidal voltage source inverter based on a modified Cuk converter as its basic cell, which simultaneously generates a sinusoidal output voltage and a lower common-mode voltage, is proposed. The proposed topology does not require additional input or output filters. Analytical expressions are derived to confirm the operation of the proposed topology. Simulation results confirm the mathematical analysis. A laboratory-scale experiment is performed to verify the proposed inverter.
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来源期刊
Chinese Journal of Electrical Engineering
Chinese Journal of Electrical Engineering Energy-Energy Engineering and Power Technology
CiteScore
7.80
自引率
0.00%
发文量
621
审稿时长
12 weeks
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