模块化多电平流器MMC 载波移相调制 Plecs 仿真工况 ：AC3.3kv DC6kv N=61仿真采用电压外环电流内环双闭环控制，输出电压能准确跟踪指令值 2采用均压控制保证各相
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模块化多电平流器MMC 载波移相调制 Plecs 仿真工况 ：AC3.3kv DC6kv N=6[1]仿真采用电压外环电流内环双闭环控制，输出电压能准确跟踪指令值。[2]采用均压控制保证各相子模块电容电压平衡，稳定控制在 1000V 左右。[3]采用载波移相调制，对于子模块数量较少的 mmc 而言，采用载波移相调制弥补了最近电平逼近调制的不足，每个子模块的载波间隔 1 6 周期，增加等效开关频率，输出电压谐波含量大幅降低采用双二阶广义积分器 DSOGI-PLL，可电网电压基波正序分量，适用于电网电压不平衡，含有高次谐波的工况可提供参考文献 <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/90213975/2/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/90213975/bg1.jpg"/><div class="t m0 x1 h2 y1 ff1 fs0 fc0 sc0 ls0 ws0">###<span class="ff2">模块化多电平换流器<span class="_ _0"> </span></span>MMC<span class="_ _1"> </span><span class="ff2">载波移相调制仿真分析</span></div><div class="t m0 x1 h2 y2 ff2 fs0 fc0 sc0 ls0 ws0">在当前程序员社区的博客上<span class="ff3">，</span>本篇文章将围绕特定的电力系统分析话题展开<span class="ff4">。</span>特别地<span class="ff3">，</span>我们将针对模</div><div class="t m0 x1 h2 y3 ff2 fs0 fc0 sc0 ls0 ws0">块化多电平换流器<span class="ff3">（<span class="ff1">MMC</span>）</span>在<span class="_ _0"> </span><span class="ff1">AC 3.3kv<span class="ff4">、</span>DC 6kv<span class="_ _1"> </span></span>环境下进行仿真分析<span class="ff3">，</span>特别是针对其在工况<span class="ff1"> N=6 </span></div><div class="t m0 x1 h2 y4 ff2 fs0 fc0 sc0 ls0 ws0">的均压控制<span class="ff4">、</span>载波移相调制等方面的技术特点<span class="ff4">。</span>以下是围绕这段给定内容展开的技术分析文章<span class="ff4">。</span></div><div class="t m0 x1 h2 y5 ff1 fs0 fc0 sc0 ls0 ws0">####<span class="ff2">一<span class="ff4">、</span>工况简介</span></div><div class="t m0 x1 h2 y6 ff2 fs0 fc0 sc0 ls0 ws0">在本段描述中<span class="ff3">，</span>提及了系统工况为<span class="ff1"> AC 3.3kv </span>和<span class="ff1"> DC 6kv<span class="ff3">，</span></span>负载类型为<span class="ff1"> N=6 </span>的情况下<span class="ff3">，</span>模块化多</div><div class="t m0 x1 h2 y7 ff2 fs0 fc0 sc0 ls0 ws0">电平换流器是如何实现电压外环电流内环双闭环控制<span class="ff3">，</span>以达到输出电压准确跟踪指令值的目标<span class="ff4">。</span>这一</div><div class="t m0 x1 h2 y8 ff2 fs0 fc0 sc0 ls0 ws0">技术点的描述紧扣住了系统配置的多电平性能<span class="ff4">、</span>电流控制以及电压调节等关键技术<span class="ff4">。</span></div><div class="t m0 x1 h2 y9 ff1 fs0 fc0 sc0 ls0 ws0">####<span class="ff2">二<span class="ff4">、</span>仿真控制策略</span></div><div class="t m0 x1 h2 ya ff2 fs0 fc0 sc0 ls0 ws0">在控制策略方面<span class="ff3">，</span>采用了电压外环电流内环双闭环控制<span class="ff3">，</span>这种控制策略能够确保输出电压能够准确跟</div><div class="t m0 x1 h2 yb ff2 fs0 fc0 sc0 ls0 ws0">踪指令值<span class="ff4">。</span>这种控制策略在电力系统中非常常见<span class="ff3">，</span>特别是在需要精确控制输出电压的场合<span class="ff4">。</span></div><div class="t m0 x1 h2 yc ff1 fs0 fc0 sc0 ls0 ws0">####<span class="ff2">三<span class="ff4">、</span>均压控制</span></div><div class="t m0 x1 h2 yd ff2 fs0 fc0 sc0 ls0 ws0">在均压控制方面<span class="ff3">，</span>文章强调了采用均压控制来保证各相子模块电容电压平衡<span class="ff4">。</span>均压控制是一种重要的</div><div class="t m0 x1 h2 ye ff2 fs0 fc0 sc0 ls0 ws0">保护措施<span class="ff3">，</span>可以有效地防止由于电容电压的不平衡而导致的设备损坏或系统稳定性下降的问题<span class="ff4">。</span>通过</div><div class="t m0 x1 h2 yf ff2 fs0 fc0 sc0 ls0 ws0">均压控制<span class="ff3">，</span>可以确保各相子模块电容电压在系统运行中保持稳定<span class="ff3">，</span>从而保证系统的稳定性和可靠性<span class="ff4">。</span></div><div class="t m0 x1 h2 y10 ff1 fs0 fc0 sc0 ls0 ws0">####<span class="ff2">四<span class="ff4">、</span>载波移相调制</span></div><div class="t m0 x1 h2 y11 ff2 fs0 fc0 sc0 ls0 ws0">在载波移相调制方面<span class="ff3">，</span>文章详细介绍了<span class="_ _0"> </span><span class="ff1">MMC<span class="_ _1"> </span></span>如何通过采用载波移相调制来弥补最近电平逼近调制的不</div><div class="t m0 x1 h2 y12 ff2 fs0 fc0 sc0 ls0 ws0">足<span class="ff4">。<span class="ff1">MMC<span class="_ _1"> </span></span></span>是一种具有高效率<span class="ff4">、</span>高功率密度和宽电压范围等优点的电力变换器<span class="ff3">，</span>其载波移相调制是其关</div><div class="t m0 x1 h2 y13 ff2 fs0 fc0 sc0 ls0 ws0">键技术之一<span class="ff4">。</span>通过采用载波移相调制<span class="ff3">，</span>可以增加等效开关频率<span class="ff3">，</span>从而降低输出电压的谐波含量<span class="ff4">。</span>此外</div><div class="t m0 x1 h2 y14 ff3 fs0 fc0 sc0 ls0 ws0">，<span class="ff2">文章还提到了每个子模块的载波间隔为<span class="ff1"> 1-6 </span>周期</span>，<span class="ff2">这种设计可以有效地提高系统的动态响应性能</span></div><div class="t m0 x1 h2 y15 ff2 fs0 fc0 sc0 ls0 ws0">和稳定性<span class="ff4">。</span></div><div class="t m0 x1 h2 y16 ff1 fs0 fc0 sc0 ls0 ws0">####<span class="ff2">五<span class="ff4">、</span>仿真结果与性能分析</span></div><div class="t m0 x1 h2 y17 ff2 fs0 fc0 sc0 ls0 ws0">在仿真结果方面<span class="ff3">，</span>文章展示了<span class="_ _0"> </span><span class="ff1">MMC<span class="_ _1"> </span></span>在工况下的运行情况<span class="ff4">。</span>输出电压能够准确跟踪指令值<span class="ff3">，</span>证明了电压</div><div class="t m0 x1 h2 y18 ff2 fs0 fc0 sc0 ls0 ws0">外环电流内环双闭环控制的稳定性和准确性<span class="ff4">。</span>同时<span class="ff3">，</span>均压控制保证了各相子模块电容电压平衡<span class="ff3">，</span>稳定</div><div class="t m0 x1 h2 y19 ff2 fs0 fc0 sc0 ls0 ws0">控制在<span class="ff1"> 1000V </span>左右<span class="ff3">，</span>这进一步证明了均压控制的可靠性和有效性<span class="ff4">。</span>此外<span class="ff3">，<span class="ff1">MMC<span class="_ _1"> </span></span></span>通过采用载波移相调</div><div class="t m0 x1 h2 y1a ff2 fs0 fc0 sc0 ls0 ws0">制大幅降低了输出电压的谐波含量<span class="ff4">。</span></div></div><div class="pi" data-data='{"ctm":[1.568627,0.000000,0.000000,1.568627,0.000000,0.000000]}'></div></div>