宽电压范围大功率双向全桥LLC调频加移相混合调制(PFM+PSM)1、正向LLC拓扑：输入400V，输出200～800Va.移相的电压范围为输出在200～350V之间b.调频的电压范围为输出在3
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宽电压范围大功率双向全桥LLC调频加移相混合调制(PFM+PSM)1、正向LLC拓扑：输入400V，输出200～800Va.移相的电压范围为输出在200～350V之间b.调频的电压范围为输出在350～800V之间（谐振腔的参数根据这个范围计算的），计算是按照输入额定电压400和输出额定电压380来计算的电压变比，故额定工况在400V和380V2、反向LC拓扑：输入200～800V，输出可供学习参考。 <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/90213086/2/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/90213086/bg1.jpg"/><div class="t m0 x1 h2 y1 ff1 fs0 fc0 sc0 ls0 ws0">宽电压范围大功率双向全桥<span class="_ _0"> </span><span class="ff2">LLC<span class="_ _1"> </span></span>调频加移相混合调制技术研究</div><div class="t m0 x1 h2 y2 ff1 fs0 fc0 sc0 ls0 ws0">摘要<span class="ff3">：</span></div><div class="t m0 x1 h2 y3 ff1 fs0 fc0 sc0 ls0 ws0">本文将对宽电压范围大功率双向全桥<span class="_ _0"> </span><span class="ff2">LLC<span class="_ _1"> </span></span>调频加移相混合调制技术<span class="ff3">（<span class="ff2">PFM+PSM</span>）</span>进行详细介绍和分析</div><div class="t m0 x1 h2 y4 ff4 fs0 fc0 sc0 ls0 ws0">。<span class="ff1">文章首先概述了该技术的重要性和应用领域<span class="ff3">，</span>然后重点介绍了正向<span class="_ _0"> </span><span class="ff2">LLC<span class="_ _1"> </span></span>拓扑和反向<span class="_ _0"> </span><span class="ff2">LC<span class="_ _1"> </span></span>拓扑的工作</span></div><div class="t m0 x1 h2 y5 ff1 fs0 fc0 sc0 ls0 ws0">原理<span class="ff4">、</span>电压范围<span class="ff4">、</span>调制方法等<span class="ff4">。</span>文章还深入探讨了谐振腔参数的计算方法<span class="ff3">，</span>以及不同电压范围内移相</div><div class="t m0 x1 h2 y6 ff1 fs0 fc0 sc0 ls0 ws0">和调频的作用<span class="ff4">。</span>最后<span class="ff3">，</span>对全文进行总结<span class="ff3">，</span>并指出了未来研究方向<span class="ff4">。</span></div><div class="t m0 x1 h2 y7 ff1 fs0 fc0 sc0 ls0 ws0">一<span class="ff4">、</span>引言</div><div class="t m0 x1 h2 y8 ff1 fs0 fc0 sc0 ls0 ws0">随着电力电子技术的发展<span class="ff3">，</span>宽电压范围大功率转换器的需求越来越高<span class="ff4">。</span>双向全桥<span class="_ _0"> </span><span class="ff2">LLC<span class="_ _1"> </span></span>谐振转换器因其</div><div class="t m0 x1 h2 y9 ff1 fs0 fc0 sc0 ls0 ws0">高效率<span class="ff4">、</span>小体积<span class="ff4">、</span>低噪声等优点而备受关注<span class="ff4">。</span>本文将围绕宽电压范围大功率双向全桥<span class="_ _0"> </span><span class="ff2">LLC<span class="_ _1"> </span></span>调频加移相</div><div class="t m0 x1 h2 ya ff1 fs0 fc0 sc0 ls0 ws0">混合调制技术展开分析<span class="ff3">，</span>为相关研究和应用提供参考<span class="ff4">。</span></div><div class="t m0 x1 h2 yb ff1 fs0 fc0 sc0 ls0 ws0">二<span class="ff4">、</span>正向<span class="_ _0"> </span><span class="ff2">LLC<span class="_ _1"> </span></span>拓扑分析</div><div class="t m0 x1 h2 yc ff2 fs0 fc0 sc0 ls0 ws0">1.<span class="_ _2"> </span><span class="ff1">输入<span class="_ _0"> </span></span>400V<span class="ff3">，<span class="ff1">输出<span class="_ _0"> </span></span></span>200<span class="ff3">～</span>800V</div><div class="t m0 x1 h2 yd ff1 fs0 fc0 sc0 ls0 ws0">在正向<span class="_ _0"> </span><span class="ff2">LLC<span class="_ _1"> </span></span>拓扑中<span class="ff3">，</span>输入电压为<span class="_ _0"> </span><span class="ff2">400V<span class="ff3">，</span></span>输出电压范围为<span class="_ _0"> </span><span class="ff2">200<span class="ff3">～</span>800V<span class="ff4">。</span></span>这种拓扑结构适用于宽电压范</div><div class="t m0 x1 h2 ye ff1 fs0 fc0 sc0 ls0 ws0">围的应用场景<span class="ff3">，</span>能够满足不同负载的需求<span class="ff4">。</span></div><div class="t m0 x1 h2 yf ff2 fs0 fc0 sc0 ls0 ws0">2.<span class="_ _2"> </span><span class="ff1">移相和调频的电压范围</span></div><div class="t m0 x1 h2 y10 ff1 fs0 fc0 sc0 ls0 ws0">在正向<span class="_ _0"> </span><span class="ff2">LLC<span class="_ _1"> </span></span>拓扑中<span class="ff3">，</span>移相的电压范围为输出在<span class="_ _0"> </span><span class="ff2">200<span class="ff3">～</span>350V<span class="_ _1"> </span></span>之间<span class="ff3">，</span>调频的电压范围为输出在<span class="_ _0"> </span><span class="ff2">350<span class="ff3">～</span></span></div><div class="t m0 x1 h2 y11 ff2 fs0 fc0 sc0 ls0 ws0">800V<span class="_ _1"> </span><span class="ff1">之间<span class="ff4">。</span>这种混合调制方式可以根据负载的变化<span class="ff3">，</span>灵活地调整输出电压<span class="ff3">，</span>提高系统的稳定性和效</span></div><div class="t m0 x1 h2 y12 ff1 fs0 fc0 sc0 ls0 ws0">率<span class="ff4">。</span></div><div class="t m0 x1 h2 y13 ff2 fs0 fc0 sc0 ls0 ws0">3.<span class="_ _2"> </span><span class="ff1">谐振腔参数计算</span></div><div class="t m0 x1 h2 y14 ff1 fs0 fc0 sc0 ls0 ws0">谐振腔参数的计算是按照输入额定电压<span class="_ _0"> </span><span class="ff2">400V<span class="_ _1"> </span></span>和输出额定电压<span class="_ _0"> </span><span class="ff2">380V<span class="_ _1"> </span></span>来进行的<span class="ff4">。</span>根据这个电压变比<span class="ff3">，</span></div><div class="t m0 x1 h2 y15 ff1 fs0 fc0 sc0 ls0 ws0">可以计算出谐振腔的电感<span class="ff4">、</span>电容等参数<span class="ff3">，</span>从而实现系统的稳定运行<span class="ff4">。</span></div><div class="t m0 x1 h2 y16 ff1 fs0 fc0 sc0 ls0 ws0">三<span class="ff4">、</span>反向<span class="_ _0"> </span><span class="ff2">LC<span class="_ _1"> </span></span>拓扑分析</div><div class="t m0 x1 h2 y17 ff2 fs0 fc0 sc0 ls0 ws0">1.<span class="_ _2"> </span><span class="ff1">输入<span class="_ _0"> </span></span>200<span class="ff3">～</span>800V<span class="ff3">，<span class="ff1">输出</span></span></div><div class="t m0 x1 h2 y18 ff1 fs0 fc0 sc0 ls0 ws0">反向<span class="_ _0"> </span><span class="ff2">LC<span class="_ _1"> </span></span>拓扑的输入电压范围为<span class="_ _0"> </span><span class="ff2">200<span class="ff3">～</span>800V<span class="ff3">，</span></span>输出电压根据具体的应用场景而定<span class="ff4">。</span>这种拓扑结构可以</div><div class="t m0 x1 h2 y19 ff1 fs0 fc0 sc0 ls0 ws0">在宽电压范围内实现高效的电力转换<span class="ff4">。</span></div><div class="t m0 x1 h2 y1a ff2 fs0 fc0 sc0 ls0 ws0">2.<span class="_ _2"> </span><span class="ff1">调制方法</span></div><div class="t m0 x1 h2 y1b ff1 fs0 fc0 sc0 ls0 ws0">反向<span class="_ _0"> </span><span class="ff2">LC<span class="_ _1"> </span></span>拓扑的调制方法与正向<span class="_ _0"> </span><span class="ff2">LLC<span class="_ _1"> </span></span>拓扑有所不同<span class="ff4">。</span>在实际应用中<span class="ff3">，</span>需要根据负载的需求和系统的特</div><div class="t m0 x1 h2 y1c ff1 fs0 fc0 sc0 ls0 ws0">点<span class="ff3">，</span>选择合适的调制方法<span class="ff3">，</span>以实现系统的稳定运行和高效转换<span class="ff4">。</span></div><div class="t m0 x1 h2 y1d ff1 fs0 fc0 sc0 ls0 ws0">四<span class="ff4">、</span>宽电压范围内移相和调频的作用</div></div><div class="pi" data-data='{"ctm":[1.568627,0.000000,0.000000,1.568627,0.000000,0.000000]}'></div></div>