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作 者:王灏 朱哲煜 WANG Hao;ZHU Zheyu(Xuchang Elctrical Vocational College,Xuchang 461000,Henan,China)
出 处:《能源与节能》2022年第1期31-33,37,共4页Energy and Energy Conservation
摘 要:随着化石燃料的枯竭、环境污染问题的加剧,太阳能作为取之不尽、用之不竭的清洁能源逐渐受到人类的青睐,其中,光伏发电是太阳能的典型应用之一。众所周知,受天气、光照、温度、季节和地理位置等因素的影响,光伏板发出的电能并不稳定,而要想解决这一问题,可在光伏发电系统中增加光伏逆变器。设计了一种交错反激光伏逆变器,电路拓扑主要包括DC/DC变换器、DC/AC逆变器,该逆变器电路具有结构简单、安全稳定、电气性能良好和成本低等优点,系统仿真和样机测试结果验证了设计的科学性。With the depletion of fossil fuels and the aggravation of environmental pollution,solar energy,as an inexhaustible clean energy,is favored by human beings.Photovoltaic power generation is one of its typical applications.As we all know,solar energy is easily affected by weather,light,temperature,season and geographical location,which leads to the instability of power generated by photovoltaic panels.In order to solve the problem of instability of photovoltaic power generation,it is needed to add photovoltaic inverter in photovoltaic power generation system.In this paper,a photovoltaic inverter with interleaved flyback was designed.The circuit topology can be divided into DC/DC converter and DC/AC inverter.The inverter circuit has the advantages of simple structure,safety and stability,good electrical performance and low cost.The system simulation and prototype test verify the scientificity of the design.
关 键 词:光伏发电 交错反激 DC/DC变换器 DC/AC逆变器 SPWM
分 类 号:TM615[电气工程—电力系统及自动化] TM464
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