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src='https://ad.eepw.com.cn/www/delivery/avw.php?zoneid=87&cb=INSERT_RANDOM_NUMBER_HERE&n=a576c0a2' border='0' alt='' /></a></iframe> </div> <span id="contentlabels" style="font-size:14px;"><P> 傳統單相橋式逆變器作為一種常見(jiàn)的拓撲結構，在許多領(lǐng)域得到了廣泛應用。然而，該拓撲的輸出逆變電壓幅值必須低于輸入直流電壓，當應用在輸出電壓高于輸入電壓的場(chǎng)合時(shí)，須增加一級Boost電路來(lái)提高直流電壓，這會(huì )導致逆變器成本、體積和電路復雜性的增加，同時(shí)也降低了其傳輸效率。為此，參考文獻[1-3]提出Z源逆變器，其輸出電壓可高于或低于直流電源電壓，且無(wú)橋臂直通問(wèn)題。但 Z源逆變器是在傳統橋式逆變器前加了一個(gè)Z源網(wǎng)絡(luò )，其成本和效率問(wèn)題依然沒(méi)能很好地解決。參考文獻[4-6]對雙Boost逆變器進(jìn)行研究。雙Boost逆變器由兩個(gè)同步Boost級聯(lián)而成，這種逆變器的輸出電壓可高于或低于直流電源電壓，因而在實(shí)用中有更大的靈活性，同時(shí)降低了成本，簡(jiǎn)化了電路。但是該逆變器的兩個(gè)Boost需要協(xié)調工作，每個(gè)Boost的兩個(gè)開(kāi)關(guān)之間需要加入死區時(shí)間，因此控制起來(lái)相對復雜，且四個(gè)開(kāi)關(guān)都工作在高頻狀態(tài)，開(kāi)關(guān)損耗較大。<BR> 本文在雙Boost逆變器的基礎上提出了一種新型逆變器，該逆變器只需要一個(gè)Boost電路和一個(gè)換向橋。其輸出電壓可高于或低于直流電源電壓，拓撲結構較雙Boost逆變器簡(jiǎn)單，整個(gè)拓撲只有一個(gè)開(kāi)關(guān)工作在高頻狀態(tài)減少了開(kāi)關(guān)損耗，且不存在兩個(gè)Boost控制協(xié)調的問(wèn)題。故其拓撲結構和控制結構都相對雙Boost逆變器簡(jiǎn)單。<BR> <a class="contentlabel" href="http://dyxdggzs.com/news/listbylabel/label/滑?？刂?><em>滑?？刂?/em></a>具有很好的自適應性和較強的魯棒性，能很好地滿(mǎn)足高性能要求的場(chǎng)合[7]。為此本文在提出新型逆變器的基礎上，對該逆變器的工作進(jìn)原理行分析，并對其<a class="contentlabel" href="http://dyxdggzs.com/news/listbylabel/label/滑?？刂?><em>滑?？刂?/em></a>進(jìn)行了研究。<BR><img onload="if(this.width>620)this.width=620;" onclick="window.open(this.src)" style="cursor:pointer" style="WIDTH: 420px; HEIGHT: 880px" class=scaleImage alt="一種新型逆變器及其滑?？刂? src="http://editerupload.eepw.com.cn/fetch/20140213/230515_1_0.jpg"></P><P></P><DIV style="PAGE-BREAK-AFTER: always"><SPAN style="DISPLAY: none"></SPAN></DIV><P><img onload="if(this.width>620)this.width=620;" onclick="window.open(this.src)" style="cursor:pointer" style="WIDTH: 397px; HEIGHT: 1076px" class=scaleImage alt="一種新型逆變器及其滑?？刂? src="http://editerupload.eepw.com.cn/fetch/20140213/230515_1_1.jpg"><BR><img onload="if(this.width>620)this.width=620;" onclick="window.open(this.src)" style="cursor:pointer" class=scaleImage alt="一種新型逆變器及其滑?？刂? src="http://editerupload.eepw.com.cn/fetch/20140213/230515_1_2.jpg"><BR><img onload="if(this.width>620)this.width=620;" onclick="window.open(this.src)" style="cursor:pointer" style="WIDTH: 422px; HEIGHT: 1086px" class=scaleImage alt="一種新型逆變器及其滑?？刂? src="http://editerupload.eepw.com.cn/fetch/20140213/230515_1_3.jpg"><BR>Boost電路的控制設計，因此其控制的設計比較簡(jiǎn)單。整個(gè)拓撲只有一個(gè)開(kāi)關(guān)工作在高頻狀態(tài)，從而減小了開(kāi)關(guān)損耗提高了系統效率。為了使該電路獲得很好的魯棒性，在分析其工作原理的基礎上，對其<a class="contentlabel" href="http://dyxdggzs.com/news/listbylabel/label/滑?？刂?><em>滑?？刂?/em></a>策略進(jìn)行了研究。最后進(jìn)行了仿真驗證，仿真結果表明在滑?？刂葡碌男滦湍孀兤鲗ω撦d擾動(dòng)具有很好的抑制能力，表現出很好的動(dòng)態(tài)和穩態(tài)性能，且輸出電壓波形諧波含量低，波形質(zhì)量好，是一種高性能的逆變器。</P><P style="TEXT-ALIGN: center"><img onload="if(this.width>620)this.width=620;" onclick="window.open(this.src)" style="cursor:pointer" style="WIDTH: 293px; HEIGHT: 547px" class=scaleImage alt="一種新型逆變器及其滑?？刂? src="http://editerupload.eepw.com.cn/fetch/20140213/230515_1_4.jpg"></P><P style="TEXT-ALIGN: center"><img onload="if(this.width>620)this.width=620;" onclick="window.open(this.src)" style="cursor:pointer" style="WIDTH: 308px; HEIGHT: 264px" class=scaleImage alt="一種新型逆變器及其滑?？刂? src="http://editerupload.eepw.com.cn/fetch/20140213/230515_1_5.jpg"></P><P><STRONG>參考文獻</STRONG><BR>[1] PENG F Z．Z-source inverter[J]．IEEE Trans.on Industry Applications，2003，39(2)：504-510．<BR>[2] 彭方正，房緒鵬，顧斌，等．Z源變換器[J]．電工技術(shù)學(xué)報，2004，19(2)：47-51．<BR>[3] GAO F，LOH P C，LI D．Asymmetrical and symmetrical embedded Z-source inverters[J]．IEEE Trans on Power Electronics，2011，4(2)：181-193.<BR>[4] 閆朝陽(yáng)，李建霞，鄭穎楠．基于SPWM調制的雙Boost單級DC/AC電路研究[J]．電力電子技術(shù)，2007，41(9)：17-19．<BR>[5] CACERES R O，BARBI I.A boost DC-AC converter: analysis, design, and experimentation[J]．IEEE Trans on Power Electronics，1999，14(1)：134-141.<BR>[6] SANCHIS P，URSAEA A，GUBIA E，et al．Boost DC-AC inverter：a new control strategy[J]．IEEE Trans on Power Electronics，2005，20(2)：343-353.<BR>[7] 劉斌，杜量，許飛,等．Buck型變換器滑?？刂萍夹g(shù)及其發(fā)展綜述[J]．機電工程，2007，241(7)：1-4．<BR>[8] CACERES R，BARBI I.Sliding mode controller for the boost inverter[C]．Power Electronics Congress，1996.Technical Proceedings.CIEP'96.，V IEEE International，1996：247-252.</P> </span>  <div class="0uoukye" id="coverDiv" class="article_reg" style="width:100%;overflow:hidden;display:none;z-index:10;position:absolute;left:0;background:#fff;"> <center> <img src="https://webstorage.eepw.com.cn/images/display/reg.jpg" border="0" usemap="#Map" /> <map name="Map" id="Map"> <area shape="rect" coords="133,235,319,253" target="_blank" /> <area shape="rect" coords="132,315,319,335" /> </map> </center> </div>  <span id="yqotoaq" class="hAd8"> <br></span>   </div> </article> <div id="35kpbro" class="clear"></div> <br/> 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title="MSP430" target="_blank">MSP430</a></li> <li><a href="http://dyxdggzs.com/tech/s/k/Multisim" title="Multisim" target="_blank">Multisim</a></li> <li><a href="http://dyxdggzs.com/tech/s/k/濾波器" title="濾波器" target="_blank">濾波器</a></li> <li><a href="http://dyxdggzs.com/tech/s/k/CAN總線(xiàn)" title="CAN總線(xiàn)" target="_blank">CAN總線(xiàn)</a></li> <li><a href="http://dyxdggzs.com/tech/s/k/開(kāi)關(guān)電源" title="開(kāi)關(guān)電源" target="_blank">開(kāi)關(guān)電源</a></li> <li><a href="http://dyxdggzs.com/tech/s/k/單片機" title="單片機" target="_blank">單片機</a></li> <li><a href="http://dyxdggzs.com/tech/s/k/PCB" title="PCB" target="_blank">PCB</a></li> <li><a href="http://dyxdggzs.com/tech/s/k/USB" title="USB" target="_blank">USB</a></li> <li><a href="http://dyxdggzs.com/tech/s/k/ARM" title="ARM" target="_blank">ARM</a></li> <li><a href="http://dyxdggzs.com/tech/s/k/CPLD" title="CPLD" target="_blank">CPLD</a></li> <li><a href="http://dyxdggzs.com/tech/s/k/連接器" title="連接器" target="_blank">連接器</a></li> <li><a href="http://dyxdggzs.com/tech/s/k/MEMS" title="MEMS" target="_blank">MEMS</a></li> <li><a href="http://dyxdggzs.com/tech/s/k/CMOS" title="CMOS" target="_blank">CMOS</a></li> <li><a href="http://dyxdggzs.com/tech/s/k/MIPS" title="MIPS" target="_blank">MIPS</a></li> <li><a href="http://dyxdggzs.com/tech/s/k/EMC" title="EMC" target="_blank">EMC</a></li> <li><a href="http://dyxdggzs.com/tech/s/k/EDA" title="EDA" target="_blank">EDA</a></li> <li><a href="http://dyxdggzs.com/tech/s/k/ROM" title="ROM" target="_blank">ROM</a></li> <li><a href="http://dyxdggzs.com/tech/s/k/陀螺儀" title="陀螺儀" target="_blank">陀螺儀</a></li> <li><a href="http://dyxdggzs.com/tech/s/k/VHDL" title="VHDL" target="_blank">VHDL</a></li> <li><a href="http://dyxdggzs.com/tech/s/k/比較器" title="比較器" target="_blank">比較器</a></li> <li><a href="http://dyxdggzs.com/tech/s/k/Verilog" title="Verilog" target="_blank">Verilog</a></li> <li><a href="http://dyxdggzs.com/tech/s/k/穩壓電源" title="穩壓電源" target="_blank">穩壓電源</a></li> <li><a href="http://dyxdggzs.com/tech/s/k/RAM" title="RAM" target="_blank">RAM</a></li> <li><a href="http://dyxdggzs.com/tech/s/k/AVR" title="AVR" target="_blank">AVR</a></li> <li><a href="http://dyxdggzs.com/tech/s/k/傳感器" title="傳感器" target="_blank">傳感器</a></li> <li><a href="http://dyxdggzs.com/tech/s/k/可控硅" title="可控硅" target="_blank">可控硅</a></li> <li><a href="http://dyxdggzs.com/tech/s/k/IGBT" title="IGBT" target="_blank">IGBT</a></li> <li><a href="http://dyxdggzs.com/tech/s/k/嵌入式開(kāi)發(fā)" title="嵌入式開(kāi)發(fā)" target="_blank">嵌入式開(kāi)發(fā)</a></li> <li><a href="http://dyxdggzs.com/tech/s/k/逆變器" title="逆變器" target="_blank">逆變器</a></li> <li><a href="http://dyxdggzs.com/tech/s/k/Quartus" title="Quartus" target="_blank">Quartus</a></li> <li><a href="http://dyxdggzs.com/tech/s/k/RS-232" title="RS-232" target="_blank">RS-232</a></li> <li><a href="http://dyxdggzs.com/tech/s/k/Cyclone" title="Cyclone" target="_blank">Cyclone</a></li> <li><a href="http://dyxdggzs.com/tech/s/k/電位器" title="電位器" target="_blank">電位器</a></li> <li><a href="http://dyxdggzs.com/tech/s/k/電機控制" title="電機控制" target="_blank">電機控制</a></li> <li><a href="http://dyxdggzs.com/tech/s/k/藍牙" title="藍牙" target="_blank">藍牙</a></li> <li><a href="http://dyxdggzs.com/tech/s/k/PLC" title="PLC" target="_blank">PLC</a></li> <li><a href="http://dyxdggzs.com/tech/s/k/PWM" title="PWM" target="_blank">PWM</a></li> <li><a href="http://dyxdggzs.com/tech/s/k/汽車(chē)電子" title="汽車(chē)電子" target="_blank">汽車(chē)電子</a></li> <li><a href="http://dyxdggzs.com/tech/s/k/轉換器" title="轉換器" target="_blank">轉換器</a></li> <li><a href="http://dyxdggzs.com/tech/s/k/電源管理" title="電源管理" target="_blank">電源管理</a></li> <li><a href="http://dyxdggzs.com/tech/s/k/信號放大器" title="信號放大器" target="_blank">信號放大器</a></li> </ul> </div>  </div>   <div class="fvtj7qq" id="imgdiv" style="display:none;position:absolute;border:#ccc 1px 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