MMC 模块化多电平流器 最近电平逼近环流抑制+PIR+NLM mmc逆变器基本工况：直流电压 11kv 交流电压 6.6kv N=22双闭环控制+最近电平调制 适用于子模块数量
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MMC 模块化多电平流器 最近电平逼近环流抑制+PIR+NLM mmc逆变器基本工况：直流电压 11kv 交流电压 6.6kv N=22双闭环控制+最近电平调制 适用于子模块数量较多的 mmc可实现子模块电容电压均衡控制，环流抑制器开启后二倍频分量得到明显抑制，输出电流呈现正弦波，输出相电压 23 电平可提供参考文献 <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/90214005/2/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/90214005/bg1.jpg"/><div class="t m0 x1 h2 y1 ff1 fs0 fc0 sc0 ls0 ws0">**MMC<span class="_ _0"> </span><span class="ff2">模块化多电平逆变器技术分析</span>——<span class="ff2">近期关于电平逼近与环流抑制的应用</span>**</div><div class="t m0 x1 h2 y2 ff2 fs0 fc0 sc0 ls0 ws0">一<span class="ff3">、</span>引言</div><div class="t m0 x1 h2 y3 ff2 fs0 fc0 sc0 ls0 ws0">近期<span class="ff4">，<span class="ff1">MMC<span class="_ _0"> </span></span></span>模块化多电平逆变器技术在直流电压为<span class="_ _1"> </span><span class="ff1">11kv<span class="ff3">、</span></span>交流电压为<span class="_ _1"> </span><span class="ff1">6.6kv<span class="_ _0"> </span></span>的工况下得到了广泛应</div><div class="t m0 x1 h2 y4 ff2 fs0 fc0 sc0 ls0 ws0">用<span class="ff3">。</span>该技术结合了最近电平逼近<span class="ff3">、</span>环流抑制和<span class="_ _1"> </span><span class="ff1">PIR<span class="ff4">（</span></span>比例积分调节器<span class="ff4">）</span>以及<span class="_ _1"> </span><span class="ff1">NLM<span class="ff4">（</span></span>非线性调制<span class="ff4">）</span>等关</div><div class="t m0 x1 h2 y5 ff2 fs0 fc0 sc0 ls0 ws0">键技术<span class="ff4">，</span>特别适用于子模块数量较多的<span class="_ _1"> </span><span class="ff1">MMC<span class="_ _0"> </span></span>逆变器<span class="ff3">。</span>本博客文章将深入探讨<span class="_ _1"> </span><span class="ff1">MMC<span class="_ _0"> </span></span>逆变器的基本工况</div><div class="t m0 x1 h2 y6 ff3 fs0 fc0 sc0 ls0 ws0">、<span class="ff2">应用特点及其技术实现</span>。</div><div class="t m0 x1 h2 y7 ff2 fs0 fc0 sc0 ls0 ws0">二<span class="ff3">、</span>基本工况分析</div><div class="t m0 x1 h2 y8 ff2 fs0 fc0 sc0 ls0 ws0">在基本工况下<span class="ff4">，</span>直流电压为<span class="_ _1"> </span><span class="ff1">11kv<span class="ff4">，</span></span>交流电压为<span class="_ _1"> </span><span class="ff1">6.6kv<span class="ff4">，</span>N<span class="ff4">（</span></span>子模块数量<span class="ff4">）</span>为<span class="_ _1"> </span><span class="ff1">22<span class="ff3">。</span></span>这一工况要求<span class="_ _1"> </span><span class="ff1">MMC</span></div><div class="t m0 x1 h2 y9 ff2 fs0 fc0 sc0 ls0 ws0">逆变器具备稳定的直流输出<span class="ff3">、</span>高效的交流输出以及良好的环流抑制性能<span class="ff3">。</span></div><div class="t m0 x1 h2 ya ff2 fs0 fc0 sc0 ls0 ws0">三<span class="ff3">、</span>环流抑制技术分析</div><div class="t m0 x1 h2 yb ff1 fs0 fc0 sc0 ls0 ws0">MMC<span class="_ _0"> </span><span class="ff2">逆变器采用双闭环控制策略<span class="ff4">，</span>结合最近电平调制技术来抑制环流<span class="ff3">。</span>这种技术通过<span class="_ _1"> </span></span>PIR<span class="_ _0"> </span><span class="ff2">环流抑制器</span></div><div class="t m0 x1 h2 yc ff2 fs0 fc0 sc0 ls0 ws0">的开启<span class="ff4">，</span>能够明显抑制二倍频分量<span class="ff4">，</span>从而确保输出电流呈现正弦波形态<span class="ff3">。</span>此外<span class="ff4">，</span>通过非线性调制策略</div><div class="t m0 x1 h2 yd ff4 fs0 fc0 sc0 ls0 ws0">，<span class="ff2">可以实现对子模块电容电压的均衡控制</span>，<span class="ff2">进一步优化系统性能<span class="ff3">。</span></span></div><div class="t m0 x1 h2 ye ff2 fs0 fc0 sc0 ls0 ws0">四<span class="ff3">、<span class="ff1">MMC<span class="_ _0"> </span></span></span>逆变器的工作原理</div><div class="t m0 x1 h2 yf ff1 fs0 fc0 sc0 ls0 ws0">MMC<span class="_ _0"> </span><span class="ff2">逆变器主要由主电路<span class="ff3">、</span>子模块<span class="ff3">、</span>逆变桥等部分组成<span class="ff3">。</span>在直流电压的作用下<span class="ff4">，</span>子模块通过逆变桥进</span></div><div class="t m0 x1 h2 y10 ff2 fs0 fc0 sc0 ls0 ws0">行电力转换<span class="ff4">，</span>实现交流电的输出<span class="ff3">。</span>双闭环控制结合最近电平调制能够实时跟踪系统参数变化<span class="ff4">，</span>实现对</div><div class="t m0 x1 h2 y11 ff2 fs0 fc0 sc0 ls0 ws0">输出电流和环流的精准控制<span class="ff3">。</span></div><div class="t m0 x1 h2 y12 ff2 fs0 fc0 sc0 ls0 ws0">五<span class="ff3">、<span class="ff1">MMC<span class="_ _0"> </span></span></span>逆变器的应用特点</div><div class="t m0 x1 h2 y13 ff2 fs0 fc0 sc0 ls0 ws0">该类型逆变器可实现子模块电容电压均衡控制<span class="ff4">，</span>环流抑制器开启后能有效抑制二倍频分量<span class="ff4">，</span>输出电流</div><div class="t m0 x1 h2 y14 ff2 fs0 fc0 sc0 ls0 ws0">呈现正弦波形态<span class="ff4">，</span>达到优异的性能表现<span class="ff3">。</span>在大型分布式电源系统中广泛应用<span class="ff4">，</span>有助于提高电网运行效</div><div class="t m0 x1 h2 y15 ff2 fs0 fc0 sc0 ls0 ws0">率及可靠性<span class="ff3">。</span></div><div class="t m0 x1 h2 y16 ff2 fs0 fc0 sc0 ls0 ws0">六<span class="ff3">、</span>可参考的文献资料</div><div class="t m0 x1 h2 y17 ff2 fs0 fc0 sc0 ls0 ws0">关于<span class="_ _1"> </span><span class="ff1">MMC<span class="_ _0"> </span></span>逆变器的相关技术研究和应用案例<span class="ff4">，</span>可参考国内外相关文献资料<span class="ff3">。</span>例如<span class="ff4">，<span class="ff3">《<span class="ff1">MMC<span class="_ _0"> </span></span></span></span>逆变器技术</div><div class="t m0 x1 h2 y18 ff2 fs0 fc0 sc0 ls0 ws0">手册<span class="ff3">》、《</span>分布式能源系统中的<span class="_ _1"> </span><span class="ff1">MMC<span class="_ _0"> </span></span>技术应用<span class="ff3">》</span>等<span class="ff3">。</span>这些文献资料为进一步深入研究<span class="_ _1"> </span><span class="ff1">MMC<span class="_ _0"> </span></span>逆变器提</div><div class="t m0 x1 h2 y19 ff2 fs0 fc0 sc0 ls0 ws0">供了丰富的理论基础和实践经验<span class="ff3">。</span></div><div class="t m0 x1 h2 y1a ff2 fs0 fc0 sc0 ls0 ws0">七<span class="ff3">、</span>结论</div></div><div class="pi" data-data='{"ctm":[1.568627,0.000000,0.000000,1.568627,0.000000,0.000000]}'></div></div>