
1.變頻器進(jìn)線電抗器或輸入電抗器:作用是限制變流器換相時(shí)電網(wǎng)側(cè)的電壓降,抑制諧波以及并聯(lián)變流器組的解耦。它能夠限制電網(wǎng)電壓的跳躍或電網(wǎng)系統(tǒng)操作時(shí)所產(chǎn)生的電流沖擊。
2.變頻器出線電抗器或輸出電抗器:作用是限制電機(jī)連接電纜的容性充電電流(使電機(jī)繞組上的電壓上升率限制在540V/us以內(nèi))。
3.平波電抗器:作用是將疊加在直流電流上的交流分量限定在某一規(guī)定值。還用于并聯(lián)變流器的直流側(cè)解耦,降低斷續(xù)極限,限制環(huán)流控制線路中的環(huán)流以及應(yīng)用直流快速開關(guān)切斷故障電流時(shí)限制其電流上升率。
4.串聯(lián)電抗器:作用是與補(bǔ)償電容器串聯(lián),對(duì)穩(wěn)態(tài)性諧波(5、7、11、13次)構(gòu)成串聯(lián)諧振。通常有5~6%電抗器,屬于高感值電抗器。

1234—567
1:類,H —進(jìn)線 CL —串聯(lián)濾波 X —限流 P —平波 SC —輸出
2:K:電抗器
3:相,S—三相 D—單相
4:G:干式非包封;C:環(huán)氧樹脂澆注
5:運(yùn)行電壓,單位kV
6:額定電流,A
7:額定電感量:mH


















