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諧(xie)(xie)(xie)波(bo)(bo)(bo)(bo)濾(lv)(lv)波(bo)(bo)(bo)(bo)器(qi)(qi)(qi)用(yong)于(yu)濾(lv)(lv)除電(dian)(dian)(dian)力(li)系統中某一次(ci)或多次(ci)諧(xie)(xie)(xie)波(bo)(bo)(bo)(bo)的(de)裝置;其結構大多數為電(dian)(dian)(dian)感(gan)、電(dian)(dian)(dian)容和電(dian)(dian)(dian)阻(zu)等元件組(zu)(zu)合而(er)成,即無(wu)(wu)源(yuan)(yuan)濾(lv)(lv)波(bo)(bo)(bo)(bo)器(qi)(qi)(qi),它(ta)也兼做無(wu)(wu)功功率補償用(yong);新興(xing)的(de)濾(lv)(lv)波(bo)(bo)(bo)(bo)技術還(huan)包(bao)括有源(yuan)(yuan)濾(lv)(lv)波(bo)(bo)(bo)(bo)器(qi)(qi)(qi)。無(wu)(wu)源(yuan)(yuan)濾(lv)(lv)波(bo)(bo)(bo)(bo)器(qi)(qi)(qi)是利用(yong)電(dian)(dian)(dian)感(gan)、電(dian)(dian)(dian)容和電(dian)(dian)(dian)阻(zu)的(de)組(zu)(zu)合設計構成的(de)電(dian)(dian)(dian)路，可濾(lv)(lv)除某一次(ci)或多次(ci)諧(xie)(xie)(xie)波(bo)(bo)(bo)(bo)，最普通易于(yu)采用(yong)的(de)無(wu)(wu)源(yuan)(yuan)濾(lv)(lv)波(bo)(bo)(bo)(bo)器(qi)(qi)(qi)結構是將電(dian)(dian)(dian)感(gan)與電(dian)(dian)(dian)容串聯，可對主(zhu)要(yao)次(ci)諧(xie)(xie)(xie)波(bo)(bo)(bo)(bo)(3、5、7)構成低(di)阻(zu)抗旁路;無(wu)(wu)源(yuan)(yuan)濾(lv)(lv)波(bo)(bo)(bo)(bo)器(qi)(qi)(qi)又稱LC濾(lv)(lv)波(bo)(bo)(bo)(bo)器(qi)(qi)(qi)，單調(diao)諧(xie)(xie)(xie)濾(lv)(lv)波(bo)(bo)(bo)(bo)器(qi)(qi)(qi)、雙調(diao)諧(xie)(xie)(xie)濾(lv)(lv)波(bo)(bo)(bo)(bo)器(qi)(qi)(qi)、高通濾(lv)(lv)波(bo)(bo)(bo)(bo)器(qi)(qi)(qi)都屬于(yu)無(wu)(wu)源(yuan)(yuan)濾(lv)(lv)波(bo)(bo)(bo)(bo)器(qi)(qi)(qi)。

有(you)源(yuan)濾(lv)(lv)波(bo)(bo)器(qi)(qi)(qi)是一種為(wei)消除諧波(bo)(bo)及波(bo)(bo)形(xing)畸變(bian)，采取主動發(fa)生策略進(jin)行(xing)濾(lv)(lv)波(bo)(bo)的(de)(de)(de)(de)電(dian)(dian)(dian)力電(dian)(dian)(dian)子(zi)裝置。與利(li)用電(dian)(dian)(dian)感器(qi)(qi)(qi)、電(dian)(dian)(dian)容器(qi)(qi)(qi)實現濾(lv)(lv)波(bo)(bo)功能的(de)(de)(de)(de)無源(yuan)濾(lv)(lv)波(bo)(bo)器(qi)(qi)(qi)相比，有(you)源(yuan)濾(lv)(lv)波(bo)(bo)器(qi)(qi)(qi)可以省(sheng)去(qu)體積龐大的(de)(de)(de)(de)電(dian)(dian)(dian)感元(yuan)(yuan)件(jian)，便于小型化和集成化，適(shi)于實現較低頻率的(de)(de)(de)(de)濾(lv)(lv)波(bo)(bo)。有(you)源(yuan)濾(lv)(lv)波(bo)(bo)器(qi)(qi)(qi)所使用的(de)(de)(de)(de)基本元(yuan)(yuan)件(jian)主要是電(dian)(dian)(dian)阻器(qi)(qi)(qi)、電(dian)(dian)(dian)容器(qi)(qi)(qi)、晶體管和運算放(fang)大器(qi)(qi)(qi)。有(you)些有(you)源(yuan)濾(lv)(lv)波(bo)(bo)器(qi)(qi)(qi)還(huan)使用特殊的(de)(de)(de)(de)有(you)源(yuan)器(qi)(qi)(qi)件(jian)，如電(dian)(dian)(dian)荷耦合(he)器(qi)(qi)(qi)件(jian)、電(dian)(dian)(dian)流傳送(song)器(qi)(qi)(qi)等。

目前(qian)，全球電子(zi)市場(chang)對電源(yuan)質量的(de)(de)(de)要求越(yue)來越(yue)高，電源(yuan)行業也正在(zai)改善(shan)產品(pin)質量。同時，客戶也更加了(le)解了(le)關鍵應用中(zhong)低質量電源(yuan)的(de)(de)(de)有害結果(guo)，這些都推動了(le)全球諧波(bo)濾波(bo)器市場(chang)的(de)(de)(de)增長。

微處理器使用(yong)增多，以及(ji)電(dian)(dian)子負(fu)荷(he)獲得電(dian)(dian)能的過程(cheng)都(dou)會導致大量的諧(xie)波畸變(bian)。消除諧(xie)波畸變(bian)和維持(chi)電(dian)(dian)源質量的需求，使諧(xie)波濾波器的應用(yong)范圍不斷(duan)擴大。

同時(shi)，諧波濾波器(qi)市(shi)場在(zai)立法方面得到(dao)了(le)來自政府和(he)(he)規章(zhang)制定(ding)機構(gou)的(de)大力支持。例如，電(dian)氣(qi)和(he)(he)電(dian)子(zi)工程(cheng)師協(xie)會(IEEE)的(de)519-1992和(he)(he)G5/4強制規定(ding)，當采用公共耦合點(pointofcommoncoupling,PCC)測量時(shi)，功率發(fa)生(sheng)器(qi)制造的(de)諧波必(bi)(bi)須(xu)在(zai)限制范圍內(nei)。嚴(yan)格的(de)標準和(he)(he)實施細則迫使各類機構(gou)必(bi)(bi)須(xu)采取(qu)必(bi)(bi)要(yao)的(de)行(xing)動(dong)，這成為(wei)推動(dong)諧波濾波器(qi)市(shi)場發(fa)展的(de)一個主要(yao)因素。

產品(pin)制造商被迫將產品(pin)升(sheng)級(ji)，以滿足(zu)不同(tong)的(de)標準。同(tong)時，這(zhe)些公司不得不投入巨資(zi)重新設計(ji)他們的(de)產品(pin)。在諧(xie)波濾(lv)波器市(shi)場標準方面，如果制定規章的(de)機構和政府達(da)成共(gong)識，這(zhe)對于參與者將非常(chang)有益(yi)。