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產品名稱:  APK®濾波電抗器
發布日期:  2008-10-12
查看數次:  5864
  產 品 詳 細 介 紹

APK®濾波電抗器

  在目前的電力系統中,無論是工業用還是民用越來越多的諧波源的出現,正日益加重著對電網的污染,諧振和電壓畸變會致使很多其他電力設備的非正常運行甚至故障的產生,串聯電抗器可以改善和避免這些情況的出現。APK電抗器具有高線性,高抗諧波能力,帶防止漏磁設計,低噪音,低損耗,長壽命的特點。
    電容器和電抗器串聯組合后諧振頻率將低于系統最低。實現在工頻下呈容性,來改善功率因數,而在諧振頻率時呈感性,從而防止并聯諧振避免對諧波的放大。 例如系統測出
5次諧波時,如果阻抗選配得當,電容器組可吸收諧波電流30%到50%左右。

APK®Filter reactor

In the present electrical power system, either the industrial use or the civil use, more and more overtone source's appearance, is aggravating the pollution to electrical network day by day, The resonance and the voltage distortion can cause many other power equipment's unusual running and even bring breakdown , the series connected reactor may improve and avoid these situations appearance. The APK capacitor has the high linearity, high anti-overtone ability, the belt prevented leaks magnetism design, low noise, low loss, long life characteristic.
The series combination of the capacitor and reactor has zero impedance at its resonant frequency,which is the lowest against the line frequency. This series resonant circuit presents the capacitive character at the line frequency, which can improve the power factor, and it takes on the inductive character at the resonant frequency, thus it can prevent the parallel resonance from amplifying the harmonic. For instance, if there is the 5th harmonic in the system, and the impedance is chosen appropriately, the capacitor bank can absorb and eliminate 30% up to 50% of the harmonic current.

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