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endit-content"><p style="text-indent:2em;"> 根據(jù)近年來的數(shù)據(jù)顯示，<a class="attach inline_attach" href="http://www.gongxing168.org.cn" target="_blank" title="變頻器"><span style="color:#E53333;"><strong>變頻器</strong></span></a>（Variable-frequency Drive，VFD）在國內(nèi)的潛在市場約為1200-1800萬億元，而且隨著現(xiàn)代工業(yè)自動化程度的不斷提高，VFD在各類產(chǎn)業(yè)中得到了廣泛的應(yīng)用。但可惜的是，國產(chǎn)VFD品牌應(yīng)用份額僅為80-120億元，而美、日、歐各大VFD廠商基本占95%以上。這說明國內(nèi)VFD市場潛力巨大，訂單需求較大，但美、日、歐VFD掌門人仍有明顯優(yōu)勢。 </p> <p class="img-block" style="text-indent:2em;"> <img align="center" alt="Dingtalk_20220628165927" src="/resource/images/9603835c1dae4b87a34d016fa0d13b5c_2.jpg" title="Dingtalk_20220628165927"> </p> <p style="text-indent:2em;"> 在工業(yè)領(lǐng)域中，VFD最直接的作用就是節(jié)能。VFD調(diào)速后，風(fēng)機(jī)、水泵等設(shè)備節(jié)能率可達(dá)20%-60%。VFD對于一些能耗大，調(diào)速復(fù)雜的設(shè)備，節(jié)能效果明顯。同時，VFD還可以簡化工業(yè)設(shè)備的操作和控制系統(tǒng)，既提供了成品率，又提高了整個設(shè)備的控制水平。 </p> <p style="text-indent:2em;"> <br> </p> <p style="text-indent:2em;"> 但是對于電機(jī)來說，往往需要調(diào)整正反轉(zhuǎn)，傳統(tǒng)的方法容易因?yàn)閾Q向不當(dāng)而導(dǎo)致燒壞，對于VFD來說可以很好的避免。VFD通過改變VFD內(nèi)部逆變器的開關(guān)順序，可以實(shí)現(xiàn)輸出換相。同時變頻系統(tǒng)啟動緩慢，加減速時間可任意設(shè)定，能有效保護(hù)電機(jī)，延長其使用壽命。 </p></div> <div id="a2q2k2s" class="clear"></div> </div> <div id="co2wo22" class="p14-pagination-1 blk"> <dl> <dd> <b><em><a href="/articles/dybpqw.html" title="低壓變頻器未來的發(fā)展方向在哪里？"> 查看詳情 + </a></em></b> <span> 上一條 </span> <a href="/articles/dybpqw.html" title="低壓變頻器未來的發(fā)展方向在哪里？"> 低壓變頻器未來的發(fā)展方向在哪里？ </a> </dd> <dt></dt> <dd> <b><em><a href="/articles/dglbpq.html" title="大功率變頻器的市場在未來的發(fā)展前景如何？"> 查看詳情 + </a></em></b> <span> 下一條 </span> <a href="/articles/dglbpq.html" title="大功率變頻器的市場在未來的發(fā)展前景如何？"> 大功率變頻器的市場在未來的發(fā)展前景如何？ </a> </dd> </dl> <div id="ssu2kki" class="p14-pagination-1-href"> <span><a href="/article/xwdt.html" title="返回列表"> 返回列表 </a></span> </div> <div id="a2asu2u" class="p14-pagination-1-key"> <p> 本文標(biāo)簽： <span><a href="/search.php?key=變頻器" title="變頻器"> 變頻器 </a></span> </p> </div> <div id="u2wo2a0" class="clear"> </div> </div> <div id="muw0smq" class="p14-product-2 blk"> <h3 class="p14-product-2-tit"> <b>案例展示</b> <span>/ Hot CASE</span> </h3> <div id="k2k2o22" class="p14-product-2-list"> <dl> <dt> <a href="/articles/jsmjsz.html" target="_blank" title="江蘇某金屬制品變頻器節(jié)能改造案例！"> <img alt="江蘇某金屬制品變頻器節(jié)能改造案例！" src="/resource/images/7cf655ddb29846f0915346d8f549dceb_52.jpg" title="江蘇某金屬制品變頻器節(jié)能改造案例！"> </a> </dt> <dd> <h4><a href="/articles/jsmjsz.html" target="_blank" title="江蘇某金屬制品變頻器節(jié)能改造案例！">江蘇某金屬制品變頻器節(jié)能改造案例！</a></h4> <div id="u24skcu" class="p14-product-2-desc"> 三科針對此次江蘇某金屬制品變頻器節(jié)能改造案例除了采用變頻調(diào)速讓電機(jī)達(dá)到理想工作轉(zhuǎn)速外，在提高球磨機(jī)的研磨效率所取得的節(jié)能效果也很好。由于球磨機(jī)在設(shè)計時，都考慮到保證電動機(jī)的最大輸出轉(zhuǎn)矩，而實(shí)際生產(chǎn)過程中，往往達(dá)不到最大輸出轉(zhuǎn)矩，電動機(jī)處于輕載（不滿載）工作狀態(tài)，其功率因數(shù)和效率都較低。這時可通...... </div> </dd> </dl> <dl> <dt> <a href="/articles/hnwgzn.html" target="_blank" title="數(shù)控機(jī)床變頻器在河南數(shù)控設(shè)備中的應(yīng)用案例！"> <img alt="數(shù)控機(jī)床變頻器在河南數(shù)控設(shè)備中的應(yīng)用案例！" src="/resource/images/7cf655ddb29846f0915346d8f549dceb_60.jpg" title="數(shù)控機(jī)床變頻器在河南數(shù)控設(shè)備中的應(yīng)用案例！"> </a> </dt> <dd> <h4><a href="/articles/hnwgzn.html" target="_blank" title="數(shù)控機(jī)床變頻器在河南數(shù)控設(shè)備中的應(yīng)用案例！">數(shù)控機(jī)床變頻器在河南數(shù)控設(shè)備中的應(yīng)用案例！</a></h4> <div id="i2i2moq" class="p14-product-2-desc"> 變頻器的運(yùn)行命令是由數(shù)控系列發(fā)出運(yùn)行指令，一個正轉(zhuǎn)命令FWD（S1輸入），一個反轉(zhuǎn)命令REV（S2輸入）。頻率信號是由數(shù)控系統(tǒng)輸出轉(zhuǎn)速信號S(0～10VDC），從變頻器AI2端子輸入頻率指令即可改變頻器的頻率，從而改變電機(jī)的轉(zhuǎn)速。變頻器輸出故障信號（R1A，R1C）到數(shù)控系統(tǒng)，變頻器報故障代碼時，使機(jī)床控制系統(tǒng)停止工作。 </div> </dd> </dl> <dl> <dt> <a href="/articles/hzlaxy.html" target="_blank" title="SKI600系列變頻器在杭州臨安某機(jī)械設(shè)備生產(chǎn)企業(yè)中的應(yīng)用案例！"> <img alt="SKI600系列變頻器在杭州臨安某機(jī)械設(shè)備生產(chǎn)企業(yè)中的應(yīng)用案例！" src="/resource/images/7cf655ddb29846f0915346d8f549dceb_62.jpg" title="SKI600系列變頻器在杭州臨安某機(jī)械設(shè)備生產(chǎn)企業(yè)中的應(yīng)用案例！"> </a> </dt> <dd> <h4><a href="/articles/hzlaxy.html" target="_blank" title="SKI600系列變頻器在杭州臨安某機(jī)械設(shè)備生產(chǎn)企業(yè)中的應(yīng)用案例！">SKI600系列變頻器在杭州臨安某機(jī)械設(shè)備生產(chǎn)企業(yè)中的應(yīng)用案例！</a></h4> <div id="gwccgqa" class="p14-product-2-desc"> 三科針對杭州臨安某地機(jī)械設(shè)備生產(chǎn)企業(yè)設(shè)計了SKI600系列變頻器在臥式木工帶鋸機(jī)上的應(yīng)用所采取的設(shè)備加工工藝及控制方案：其工作過程為跑車工作臺以一定的速度運(yùn)行一段距離，此速度通常是慢速行進(jìn)，由PLC給變頻器啟動和多段速信號，變頻器帶動跑車工作臺電機(jī)以低速行進(jìn)；當(dāng)鋸條進(jìn)至木頭大概5公分左右的位置后，PLC..... </div> </dd> </dl> <dl class="p14-product-clear"> <dt> <a href="/articles/hzmgjd.html" target="_blank" title="杭州某鋼筋調(diào)直機(jī)廠節(jié)能變頻器改造案例！"> <img alt="杭州某鋼筋調(diào)直機(jī)廠節(jié)能變頻器改造案例！" src="/resource/images/7cf655ddb29846f0915346d8f549dceb_68.jpg" title="杭州某鋼筋調(diào)直機(jī)廠節(jié)能變頻器改造案例！"> </a> </dt> <dd> <h4><a href="/articles/hzmgjd.html" target="_blank" title="杭州某鋼筋調(diào)直機(jī)廠節(jié)能變頻器改造案例！">杭州某鋼筋調(diào)直機(jī)廠節(jié)能變頻器改造案例！</a></h4> <div id="aqim2se" class="p14-product-2-desc"> 三科針對此次杭州某鋼筋調(diào)直機(jī)廠節(jié)能變頻器改造案例中提出以下三個結(jié)論：1，降低設(shè)備啟動電流，讓電網(wǎng)電壓更穩(wěn)定，大大緩解了電源容量緊張傳統(tǒng)鋼筋調(diào)直機(jī)無變頻器啟動時的電流等于(4-7)倍額定電流，這樣會對機(jī)電設(shè)備和供電電網(wǎng)造成嚴(yán)重的沖擊，而且還會對電網(wǎng)容量要求過高。變頻器具有上電電機(jī)檢測、輸入輸出缺相保護(hù)...... </div> </dd> </dl> </div> <div id="qs2cwyk" class="clear"></div> </div> </div> <div id="iuega2a" class="blk-xs fr"> <div id="iyqme0a" class="fdh-01 blk"> <div id="kk2ikcu" class="fdh-01-tit"> <h2>三科變頻資訊中心</h2> </div> <div id="oeqmqk0" class="fdh-01-nav" navvicefocus1=""> <div id="scemyyi" class="fdh-01-nav-one"> <h3><a href="/article/xwdt.html" title="新聞動態(tài)"> 新聞動態(tài) </a></h3> <dl style="display:none;">  <dt> <a href="/article/qydt.html" title="企業(yè)動態(tài)"> 企業(yè)動態(tài) </a> </dt> <dt> <a href="/article/cjwd.html" title="常見問答"> 常見問答 </a> </dt> </dl> </div> <div id="ecku2og" class="fdh-01-nav-one"> <h3><a href="/article/khml.html" title="客戶名錄"> 客戶名錄 </a></h3> </div> <div id="ksa22um" 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