多台三相逆变器并联（本模型为三台并联，市面上多为两台并联）matlab simulink仿真 功能：实现并联系统中各逆变器输出

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多台三相逆变器并联（本模型为三台并联，市面上多为两台并联）matlab simulink仿真。 功能：实现并联系统中各逆变器输出功率均分。 （有能力的话还可以研究下垂特性、功率指令以及静态功工作点三者之间的联系） 控制策略：VSG控制策略（同步机控制） 逆变器主电路：三相逆变器，LCL滤波电路，VSG控制模块。 VSG控制模块：定、转子方程，dq变，电压电流双闭环，预同步，pwm发生器。
<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/89867446/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/89867446/bg1.jpg"/><div class="t m0 x1 h2 y1 ff1 fs0 fc0 sc0 ls0 ws0">三相逆变器并联的<span class="_ _0"> </span><span class="ff2">Matlab Simulink<span class="_ _1"> </span></span>仿真<span class="ff3">：</span>探究功率分配及控制策略</div><div class="t m0 x1 h2 y2 ff1 fs0 fc0 sc0 ls0 ws0">在电力电子系统中<span class="ff3">，</span>多台三相逆变器的并联技术被广泛应用<span class="ff4">。</span>此篇技术博客将详细地解析我们研究的</div><div class="t m0 x1 h2 y3 ff1 fs0 fc0 sc0 ls0 ws0">特定模型<span class="ff3">：</span>三台三相逆变器并联<span class="ff3">，</span>重点关注<span class="_ _0"> </span><span class="ff2">Matlab Simulink<span class="_ _1"> </span></span>环境下的仿真实现<span class="ff3">，</span>以及如何通过</div><div class="t m0 x1 h2 y4 ff2 fs0 fc0 sc0 ls0 ws0">VSG<span class="_ _1"> </span><span class="ff1">控制策略实现并联系统中各逆变器输出功率的均分<span class="ff4">。</span></span></div><div class="t m0 x1 h2 y5 ff1 fs0 fc0 sc0 ls0 ws0">一<span class="ff4">、</span>多台三相逆变器并联概述</div><div class="t m0 x1 h2 y6 ff1 fs0 fc0 sc0 ls0 ws0">多台三相逆变器并联运行<span class="ff3">，</span>不仅可以提高系统的容量和可靠性<span class="ff3">，</span>还能实现功率的灵活分配<span class="ff4">。</span>在市场上</div><div class="t m0 x1 h2 y7 ff3 fs0 fc0 sc0 ls0 ws0">，<span class="ff1">虽然两台逆变器并联的方案较为常见</span>，<span class="ff1">但三台逆变器并联的系统具有更高的复杂性和研究价值<span class="ff4">。</span></span></div><div class="t m0 x1 h2 y8 ff1 fs0 fc0 sc0 ls0 ws0">二<span class="ff4">、<span class="ff2">Matlab Simulink<span class="_ _1"> </span></span></span>仿真环境</div><div class="t m0 x1 h2 y9 ff2 fs0 fc0 sc0 ls0 ws0">Matlab Simulink<span class="_ _1"> </span><span class="ff1">是一个强大的仿真工具<span class="ff3">，</span>适合对电力电子系统进行建模和仿真<span class="ff4">。</span>在<span class="_ _0"> </span></span>Simulink</div><div class="t m0 x1 h2 ya ff1 fs0 fc0 sc0 ls0 ws0">环境中<span class="ff3">，</span>我们可以搭建三相逆变器的模型<span class="ff3">，<span class="ff2">LCL<span class="_ _1"> </span></span></span>滤波电路模型<span class="ff3">，</span>以及<span class="_ _0"> </span><span class="ff2">VSG<span class="_ _1"> </span></span>控制模块模型<span class="ff4">。</span></div><div class="t m0 x1 h2 yb ff1 fs0 fc0 sc0 ls0 ws0">三<span class="ff4">、</span>功能与控制策略<span class="ff3">：</span>输出功率均分</div><div class="t m0 x1 h2 yc ff1 fs0 fc0 sc0 ls0 ws0">本模型的主要功能是实现并联系统中各逆变器输出功率的均分<span class="ff4">。</span>为了达到这一目标<span class="ff3">，</span>我们采用了<span class="_ _0"> </span><span class="ff2">VSG</span></div><div class="t m0 x1 h2 yd ff3 fs0 fc0 sc0 ls0 ws0">（<span class="ff1">虚拟同步机</span>）<span class="ff1">控制策略<span class="ff4">。<span class="ff2">VSG<span class="_ _1"> </span></span></span>控制策略模仿了传统同步发电机的运行特性</span>，<span class="ff1">通过引入定<span class="ff4">、</span>转子方程</span></div><div class="t m0 x1 h2 ye ff3 fs0 fc0 sc0 ls0 ws0">，<span class="ff2">dq<span class="_ _1"> </span><span class="ff1">变换</span></span>，<span class="ff1">以及电压电流双闭环控制</span>，<span class="ff1">实现了对逆变器输出功率的精确控制<span class="ff4">。</span></span></div><div class="t m0 x1 h2 yf ff1 fs0 fc0 sc0 ls0 ws0">四<span class="ff4">、</span>逆变器主电路<span class="ff3">：</span>三相逆变器与<span class="_ _0"> </span><span class="ff2">LCL<span class="_ _1"> </span></span>滤波电路</div><div class="t m0 x1 h2 y10 ff1 fs0 fc0 sc0 ls0 ws0">逆变器主电路由三相逆变器和<span class="_ _0"> </span><span class="ff2">LCL<span class="_ _1"> </span></span>滤波电路组成<span class="ff4">。</span>三相逆变器负责将直流电源转换为交流电源<span class="ff4">。</span>而</div><div class="t m0 x1 h2 y11 ff2 fs0 fc0 sc0 ls0 ws0">LCL<span class="_ _1"> </span><span class="ff1">滤波电路则用于减少逆变器输出电压和电流的谐波<span class="ff3">，</span>提高输出电能的质量<span class="ff4">。</span></span></div><div class="t m0 x1 h2 y12 ff1 fs0 fc0 sc0 ls0 ws0">五<span class="ff4">、<span class="ff2">VSG<span class="_ _1"> </span></span></span>控制模块</div><div class="t m0 x1 h2 y13 ff2 fs0 fc0 sc0 ls0 ws0">VSG<span class="_ _1"> </span><span class="ff1">控制模块是本系统的核心部分<span class="ff4">。</span>它包括定<span class="ff4">、</span>转子方程<span class="ff3">，</span></span>dq<span class="_ _1"> </span><span class="ff1">变换<span class="ff3">，</span>电压电流双闭环<span class="ff3">，</span>预同步和</span></div><div class="t m0 x1 h2 y14 ff2 fs0 fc0 sc0 ls0 ws0">pwm<span class="_ _1"> </span><span class="ff1">发生器等模块<span class="ff4">。</span>通过这些模块的协同工作<span class="ff3">，</span></span>VSG<span class="_ _1"> </span><span class="ff1">控制模块能够实现对逆变器输出功率的精确控制</span></div><div class="t m0 x1 h2 y15 ff1 fs0 fc0 sc0 ls0 ws0">和均分<span class="ff4">。</span></div><div class="t m0 x1 h2 y16 ff2 fs0 fc0 sc0 ls0 ws0">1.<span class="_ _2"> </span><span class="ff1">定<span class="ff4">、</span>转子方程<span class="ff3">：</span>这些方程描述了虚拟同步机的电气特性和机械特性<span class="ff3">，</span>是<span class="_ _0"> </span></span>VSG<span class="_ _1"> </span><span class="ff1">控制策略的基础<span class="ff4">。</span></span></div><div class="t m0 x1 h2 y17 ff2 fs0 fc0 sc0 ls0 ws0">2.<span class="_ _2"> </span>dq<span class="_ _1"> </span><span class="ff1">变换<span class="ff3">：</span>将三相系统转换为两相正交系统<span class="ff3">，</span>便于进行控制和分析<span class="ff4">。</span></span></div><div class="t m0 x1 h2 y18 ff2 fs0 fc0 sc0 ls0 ws0">3.<span class="_ _2"> </span><span class="ff1">电压电流双闭环<span class="ff3">：</span>通过检测逆变器输出电压和电流<span class="ff3">，</span>实现对其的闭环控制<span class="ff4">。</span></span></div><div class="t m0 x1 h2 y19 ff2 fs0 fc0 sc0 ls0 ws0">4.<span class="_ _2"> </span><span class="ff1">预同步<span class="ff3">：</span>在并联系统启动时<span class="ff3">，</span>预同步模块能够使各逆变器的相位和频率一致<span class="ff3">，</span>保证系统的稳定运</span></div><div class="t m0 x2 h2 y1a ff1 fs0 fc0 sc0 ls0 ws0">行<span class="ff4">。</span></div><div class="t m0 x1 h2 y1b ff2 fs0 fc0 sc0 ls0 ws0">5.<span class="_ _2"> </span>pwm<span class="_ _1"> </span><span class="ff1">发生器<span class="ff3">：</span>根据控制策略生成<span class="_ _0"> </span></span>pwm<span class="_ _1"> </span><span class="ff1">波形<span class="ff3">，</span>驱动逆变器输出正确的电压和电流<span class="ff4">。</span></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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