ZIP两级式单相光伏并网仿真(注意版本matlab 2021a)前级采用DC-DC变换电路,通过MPPT控制DC-DC电路的pwm波 366.88KB

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两级式单相光伏并网仿真注意版本前级采用变换.zip 大约有13个文件
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  3. 3.jpg 96.58KB
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  6. 两级式单相光伏并网仿真.txt 322B
  7. 两级式单相光伏并网仿真分析随着可再生能.txt 2.27KB
  8. 两级式单相光伏并网仿真分析随着可再生能源技.txt 2.28KB
  9. 两级式单相光伏并网仿真分析随着可再生能源技术的不断.txt 2.29KB
  10. 两级式单相光伏并网仿真注.html 5.24KB
  11. 两级式单相光伏并网仿真注意版本在光伏发电领.txt 1.56KB
  12. 两级式单相光伏并网仿真注意版本引言.txt 2.47KB
  13. 标题基于两级式单相光伏系统的并网仿真.doc 2.05KB

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两级式单相光伏并网仿真(注意版本matlab 2021a) 前级采用DC-DC变换电路,通过MPPT控制DC-DC电路的pwm波来实现最大功率跟踪,mppt采用扰动观察法,后级采用桥式逆变,用spwm波调制。 采用双闭环控制,实现直流母线电压的稳定和单位功率因数。 并网效果良好,thd满足并网要求,附带仿真说明文件
<link href="/image.php?url=https://csdnimg.cn/release/download_crawler_static/css/base.min.css" rel="stylesheet"/><link href="/image.php?url=https://csdnimg.cn/release/download_crawler_static/css/fancy.min.css" rel="stylesheet"/><link href="/image.php?url=https://csdnimg.cn/release/download_crawler_static/89762347/raw.css" rel="stylesheet"/><div id="sidebar" style="display: none"><div id="outline"></div></div><div class="pf w0 h0" data-page-no="1" id="pf1"><div class="pc pc1 w0 h0"><img alt="" class="bi x0 y0 w1 h1" src="/image.php?url=https://csdnimg.cn/release/download_crawler_static/89762347/bg1.jpg"/><div class="t m0 x1 h2 y1 ff1 fs0 fc0 sc0 ls0 ws0">标题<span class="ff2">:</span>基于两级式单相光伏系统的并网仿真与效果分析</div><div class="t m0 x1 h2 y2 ff1 fs0 fc0 sc0 ls0 ws0">摘要<span class="ff2">:</span>本文基于<span class="_ _0"> </span><span class="ff3">MATLAB 2021a<span class="_ _1"> </span></span>版本<span class="ff2">,</span>针对两级式单相光伏系统进行了仿真研究<span class="ff4">。</span>前级采用<span class="_ _0"> </span><span class="ff3">DC-DC</span></div><div class="t m0 x1 h2 y3 ff1 fs0 fc0 sc0 ls0 ws0">变换电路结构<span class="ff2">,</span>通过<span class="_ _0"> </span><span class="ff3">MPPT<span class="_ _1"> </span></span>控制器实现最大功率跟踪<span class="ff2">,</span>采用扰动观察法进行调节<span class="ff2">;</span>后级采用桥式逆变</div><div class="t m0 x1 h2 y4 ff1 fs0 fc0 sc0 ls0 ws0">器<span class="ff2">,</span>通过<span class="_ _0"> </span><span class="ff3">SPWM<span class="_ _1"> </span></span>波进行调制<span class="ff2">,</span>实现直流母线电压的稳定和单位功率因数<span class="ff4">。</span>通过仿真分析<span class="ff2">,</span>验证了并网</div><div class="t m0 x1 h2 y5 ff1 fs0 fc0 sc0 ls0 ws0">效果良好<span class="ff2">,<span class="ff3">THD<span class="_ _1"> </span></span></span>满足并网要求<span class="ff2">,</span>并附带了仿真说明文件<span class="ff4">。</span></div><div class="t m0 x1 h2 y6 ff1 fs0 fc0 sc0 ls0 ws0">关键词<span class="ff2">:</span>两级式单相光伏系统<span class="ff4">、<span class="ff3">DC-DC<span class="_ _1"> </span></span></span>变换电路<span class="ff4">、<span class="ff3">MPPT</span>、</span>桥式逆变器<span class="ff4">、<span class="ff3">SPWM</span>、</span>并网效果<span class="ff4">、<span class="ff3">THD</span>、</span>仿</div><div class="t m0 x1 h2 y7 ff1 fs0 fc0 sc0 ls0 ws0">真说明文件</div><div class="t m0 x1 h2 y8 ff3 fs0 fc0 sc0 ls0 ws0">1.<span class="_ _2"> </span><span class="ff1">引言</span></div><div class="t m0 x1 h2 y9 ff1 fs0 fc0 sc0 ls0 ws0">光伏发电已成为清洁能源领域的热门研究方向之一<span class="ff2">,</span>其中两级式单相光伏系统作为光伏发电系统的重</div><div class="t m0 x1 h2 ya ff1 fs0 fc0 sc0 ls0 ws0">要组成部分<span class="ff2">,</span>具有较好的功率调节和并网性能<span class="ff4">。</span>本文基于<span class="_ _0"> </span><span class="ff3">MATLAB 2021a<span class="_ _1"> </span></span>版本<span class="ff2">,</span>对两级式单相光伏</div><div class="t m0 x1 h2 yb ff1 fs0 fc0 sc0 ls0 ws0">系统进行了仿真研究<span class="ff2">,</span>并分析了其并网效果及<span class="_ _0"> </span><span class="ff3">THD<span class="_ _1"> </span></span>指标<span class="ff4">。</span></div><div class="t m0 x1 h2 yc ff3 fs0 fc0 sc0 ls0 ws0">2.<span class="_ _2"> </span><span class="ff1">系统结构</span></div><div class="t m0 x1 h2 yd ff3 fs0 fc0 sc0 ls0 ws0">2.1.<span class="_"> </span><span class="ff1">前级<span class="_ _0"> </span></span>DC-DC<span class="_ _1"> </span><span class="ff1">变换电路</span></div><div class="t m0 x1 h2 ye ff1 fs0 fc0 sc0 ls0 ws0">前级采用<span class="_ _0"> </span><span class="ff3">DC-DC<span class="_ _1"> </span></span>变换电路<span class="ff2">,</span>通过<span class="_ _0"> </span><span class="ff3">MPPT<span class="_ _1"> </span></span>控制器实现最大功率跟踪<span class="ff4">。<span class="ff3">DC-DC<span class="_ _1"> </span></span></span>变换电路通过<span class="_ _0"> </span><span class="ff3">PWM<span class="_ _1"> </span></span>波来控</div><div class="t m0 x1 h2 yf ff1 fs0 fc0 sc0 ls0 ws0">制功率传输<span class="ff2">,</span>提高光伏系统的效率和性能<span class="ff4">。</span>本文采用扰动观察法作为<span class="_ _0"> </span><span class="ff3">MPPT<span class="_ _1"> </span></span>控制策略<span class="ff2">,</span>详细分析了其</div><div class="t m0 x1 h2 y10 ff1 fs0 fc0 sc0 ls0 ws0">原理及实现方式<span class="ff4">。</span></div><div class="t m0 x1 h2 y11 ff3 fs0 fc0 sc0 ls0 ws0">2.2.<span class="_"> </span><span class="ff1">后级桥式逆变器</span></div><div class="t m0 x1 h2 y12 ff1 fs0 fc0 sc0 ls0 ws0">后级采用桥式逆变器<span class="ff2">,</span>通过<span class="_ _0"> </span><span class="ff3">SPWM<span class="_ _1"> </span></span>波进行调制<span class="ff2">,</span>实现直流母线电压的稳定和单位功率因数<span class="ff4">。</span>桥式逆变</div><div class="t m0 x1 h2 y13 ff1 fs0 fc0 sc0 ls0 ws0">器具有输出电压可调的特点<span class="ff2">,</span>可以实现对并网电网的有功功率注入<span class="ff4">。</span>本文着重介绍了<span class="_ _0"> </span><span class="ff3">SPWM<span class="_ _1"> </span></span>波调制的</div><div class="t m0 x1 h2 y14 ff1 fs0 fc0 sc0 ls0 ws0">原理和实现方法<span class="ff2">,</span>以及在桥式逆变器中的应用<span class="ff4">。</span></div><div class="t m0 x1 h2 y15 ff3 fs0 fc0 sc0 ls0 ws0">3.<span class="_ _2"> </span><span class="ff1">系统仿真与效果分析</span></div><div class="t m0 x1 h2 y16 ff1 fs0 fc0 sc0 ls0 ws0">在<span class="_ _0"> </span><span class="ff3">MATLAB<span class="_ _1"> </span></span>环境下<span class="ff2">,</span>使用<span class="_ _0"> </span><span class="ff3">2021a<span class="_ _1"> </span></span>版本进行系统仿真<span class="ff2">,</span>包括前级<span class="_ _0"> </span><span class="ff3">DC-DC<span class="_ _1"> </span></span>变换电路和后级桥式逆变器的</div><div class="t m0 x1 h2 y17 ff1 fs0 fc0 sc0 ls0 ws0">仿真模型<span class="ff4">。</span>通过仿真分析<span class="ff2">,</span>验证了两级式单相光伏系统的并网效果良好<span class="ff2">,</span>满足并网要求<span class="ff2">,</span>并利用<span class="_ _0"> </span><span class="ff3">THD</span></div><div class="t m0 x1 h2 y18 ff1 fs0 fc0 sc0 ls0 ws0">指标对其电压波形进行了分析<span class="ff4">。</span></div><div class="t m0 x1 h2 y19 ff3 fs0 fc0 sc0 ls0 ws0">4.<span class="_ _2"> </span><span class="ff1">仿真说明文件</span></div><div class="t m0 x1 h2 y1a ff1 fs0 fc0 sc0 ls0 ws0">本文附带了仿真说明文件<span class="ff2">,</span>详细记录了两级式单相光伏系统的仿真配置和参数设置<span class="ff2">,</span>包括<span class="_ _0"> </span><span class="ff3">MATLAB<span class="_ _1"> </span></span>代</div><div class="t m0 x1 h2 y1b ff1 fs0 fc0 sc0 ls0 ws0">码和仿真结果的解读<span class="ff4">。</span>该文件提供了对仿真结果的清晰解释<span class="ff2">,</span>方便读者理解和复现本文的仿真实验<span class="ff4">。</span></div><div class="t m0 x1 h2 y1c ff3 fs0 fc0 sc0 ls0 ws0">5.<span class="_ _2"> </span><span class="ff1">总结</span></div></div><div class="pi" data-data='{"ctm":[1.568627,0.000000,0.000000,1.568627,0.000000,0.000000]}'></div></div>
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