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yangjunhua
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樓主  發(fā)表于: 2008-04-18 10:08
大家用到的變頻器輸入有沒(méi)有加電抗器呀?看說(shuō)明書(shū)上寫(xiě)著(zhù)要加電抗器,以消除諧波,提高功率因數.我現在用到一個(gè)15kw的變頻器,不知道要加還是不加?不加會(huì )有問(wèn)題不?
書(shū)上說(shuō)用來(lái)改善功率因子、降低諧波及提供保護以避免受交流線(xiàn)路干擾(如浪湧、短暫干擾等)。當電源容量大於、超過(guò)六倍的變頻器容量或配線(xiàn)距離在以?xún)葧r(shí)建議加裝一交流電抗器.
ymmfa
不想大江大河,不想浪起潮落,只愿一灣小湖,靜待歲月安好。
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1樓  發(fā)表于: 2008-04-18 10:11
以我銷(xiāo)售變頻器的實(shí)例來(lái)說(shuō),用到電抗器的少,大約每50臺變頻器只有一臺用。

用電抗器的我遇到的一般都是大功率的,30KW以上的。
特別提醒大家:
偶爾修改下自己的密碼,以防被盜
不要在多個(gè)網(wǎng)站都用一樣賬號密碼
偶爾還是要發(fā)發(fā)貼,回回貼,不要總潛水

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