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id="6ulmovb9" class="row"> <div id="6ulmovb9" class="wrap-content-in w-system w-productcom"> <div id="6ulmovb9" class="w-system-in">  <div id="6ulmovb9" class="newsDetail"> <div id="6ulmovb9" class="newsDetail-in"> <h1 class="newsTitle ">智能?？镮PM在双PWM逆变器中的应用，短路?；すδ?/h1> <div id="6ulmovb9" class="newsST"> <span id="6ulmovb9" class="newsSec">栏目：电源知识</span> <span id="6ulmovb9" class="newsTime" >发布时间：2022-12-12</span> </div> <div id="6ulmovb9" class="newsSummary">智能?？镮PM在双PWM逆变器中的应用<br/>　　电磁干扰和谐波污染已经成为全世界关注的公害。双PWM变频调速技术可以实现电机的四象限运行，能量转换效率高，能量可以双向流动。</div> <div id="6ulmovb9" class="newsContent"> <div id="6ulmovb9" class="newsContent-in"> <p><span style="font-size: 18px;">　　变频技术发展至今，随着技术的进步，变频器的功率器件也经历了从SCR、GTO到IGBT的发展过程，控制方式也从最初的V/F发展到矢量控制?？刂浦苯幼乜刂?。然而，电力变换技术的进步和电力变换器的广泛应用也带来了许多缺点。</span></p><h2><span style="font-size: 18px;">　　智能?？镮PM在双PWM逆变器中的应用</span></h2><p><span style="font-size: 18px;">　　电磁干扰和谐波污染已经成为全世界关注的公害。双PWM变频调速技术可以实现电机的四象限运行，能量转换效率高，能量可以双向流动。特别是方便实现电网输入的电网功率因数成为研究的热点。</span></p><p><span style="font-size: 18px;">　　双PWM逆变器中的整流器和逆变器部分需要由六个IGBT开关管来控制。如果使用单独的IGBT开关和更新的二极管，逆变器的体积将增加，也就是说，设计增加。复杂性增加了成本。使用IPM智能?？榭梢苑奖愕亟谑〕杀竞图跎偬寤?。文中介绍的IPM智能?？槭歉皇抗拘秃盼?MBP20RH060的IPM智能模块。</span></p><p><span style="font-size: 18px;"><img src="/home/8/2/6cyrt8/resource/2022/09/27/63326dfa91941.png" data-sid="479416"/></span></p><p><span style="font-size: 18px;">　　它具有低功耗、软开关、高性能和高可靠性的IGBT。有过流保护、短路?；ぁ⒖刂魄费?、过热保护和外部输出报警端口。使用该模块作为双PWM逆变器的功率器件，大大简化了硬件电路的设计，减小了电源的体积，简化了布线，大大缩短了开发周期。做爱。</span></p><p><span style="font-size: 18px;">　　IPM智能?？榻樯?/span></p><p><span style="font-size: 18px;">　　结构</span></p><p><span style="font-size: 18px;">　　它集成了六个具有连续性二元管道的IGBTs。从内部结构可以看出，上桥臂的三个IGBTs由各自的电源供电。有三组结构相同的输入，包括电源输入端子、驱动器输入和接地。下桥臂的三个IGBTs由同一电源供电。该电路具有电源输入端子、三个驱动器输入和接地。ALM引脚的作用是?；さ缏范魇鼻疟郾鄣氖涑觥?/span></p><p><span style="font-size: 18px;">　　IPM智能?？榈腢、V和W是?？榈娜嘟涣魇淙牖蚴涑?。p、N1、N2都是DC模块的电能输出或输入。具体设计会在下面给出。</span></p><p><span style="font-size: 18px;">　　电特性</span></p><p><span style="font-size: 18px;">　　?？榈牡缙阅芪疃ǖ缌?0A，耐压值为600V，DC母线为450V，浪涌值为500V。最大开关频率为20kHz。在双PWM逆变器中，IPM模块的整流和逆变使用性能能够满足设计要求。</span></p><p><span style="font-size: 18px;">　　保护功能</span></p><p><span style="font-size: 18px;">　　(1)过流?；ぁＡ拥紻C N总线的电流检测分流电阻R(见图1)的电流检测用于电流?；?。在大约5ms的时间内，持续超过当前?；け曜?，IGBT将被软切。并配有检测滤波器，可以防止瞬间电流和噪音造成的误解。</span></p><p><span style="font-size: 18px;">　　(2)短路?；すδ?。在短路?；ざ魇?，所有短路?；さ牧ㄐ砸种屏烁涸囟搪泛颓疟鄱搪返姆逯档缌?。</span></p><p><span style="font-size: 18px;">　　(3)控制电源电压的?；すδ堋５笨刂频缭吹缪钩中陀诓蛔憧刂频缭吹缪乖?毫秒时，该功能将软关闭IGBT。大约2ms后，如果电源电压恢复，如果输入信号关闭，报警取消。</span></p><p><span style="font-size: 18px;">　　(4)外壳温度过热保护功能。?；すδ芡ü砂沧霸谟牍β市酒嗤奶沾苫迳系奈露燃觳庠觳饩祷逦露壤醇觳饩祷宓奈露取５奔觳馕露瘸中；け曜荚?ms时，IGBT将被软关闭。</span></p><p><span style="font-size: 18px;">　　(5)芯片温度过热保护功能。该功能将通过检测所有IGBT芯片上的温度检测元件来检测IGBT芯片的温度。当检测温度持续超过?；け曜荚?ms时，IGBT将被软关闭。</span></p><p><span style="font-size: 18px;">　　(6)报警输出功能。在保护功能期间，报警输出端子相对于基准电位GND打开。它有能力放开设定输出，直接驱动光耦，内置了一系列1.5kΩ串联电阻。?；すδ苁?，报警信号输出持续约2ms。当报警原因消除，超过2ms，且输入信号关闭时，报警取消。下桥臂驱动电路的报警端子是相互连接的，所以一旦任何一个IGBT输出报警，所有的下桥臂，包括刹车电路都停止。</span></p><p><span style="font-size: 18px;">　　关于的智能?？镮PM在双PWM逆变器中的应用，短路?；すδ苋磕谌荨８屑つ愕闹С?，可以关注深圳市宝威特电源有限公司官网。</span></p><p><br/></p> </div> </div> <div id="6ulmovb9" class="news-others"> <div id="6ulmovb9" class="pre-next" > <div id="6ulmovb9" class="news-prev"> 上一篇： <a href="/article-15039-63427.html">未来逆变器技术发展的主流趋势，DSP的处理能力提高</a> </div> <div id="6ulmovb9" class="news-next"> 下一篇： <a href="/article-15039-63420.html">汽车逆变电源使用注意哪些？</a> </div> </div> <div id="6ulmovb9" class="link-r"> <a href="javascript:void(0);" onclick="javascript:history.back(-1);" class="bg_main aHoverbg_deepen">返回</a>  </div> </div> </div> </div> </div>  </div> <input type="hidden" name="article-id" value="63424"/><script> $(function(){ if($(".w-main>.row").length > 0){ $(".w-main>.row").css("max-width","70%"); } });</script> </div> </div> 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