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              ABB繼電器的觸點原理

              來源:http://www.cekidots.com/ 日期:2021-06-17 發布人:tongjid

              觸點是ABB繼電器中的一個重要組成部分,它的性能可以受很多的因素所影響,比如觸點的材料以及負載的類型和工作頻率、大氣環境等電壓、電流值所感 染,如果其中任何一項因素達不到預定值,就很有可能會發生觸點間的金屬電積,或焊 接點磨損等問題。

              Contact is an important part of ABB relay, its performance can be affected by many factors, such as contact material, load type and working frequency, atmospheric environment and other voltage and current values. If any of these factors can not reach the predetermined value, it is likely to have metal accumulation between contacts, or welding point wear and other problems.
              當ABB繼電器負載斷開時,ABB繼電器的觸點電路變回產生強烈的反電動勢,反電動勢越高對觸點的損壞就越大,這樣會直接造成直流轉換器開關的容量降低,一旦產生電弧ABB繼電器沒有零交叉點,就很有可能延長發弧時間不容易減弱,所以也會導致直流電路器中的單相電流使觸點產生電積,并且磨損ABB繼電器。
              ABB中間繼電器價格
              When the load of ABB relay is disconnected, the contact circuit of ABB relay will generate strong back EMF. The higher the back EMF is, the greater the damage to the contact will be. This will directly reduce the capacity of DC converter switch. Once the arc is generated, abb relay has no zero crossing point, it is likely to extend the arcing time, Therefore, it will also cause the single-phase current in the DC circuit to make the contacts accumulate and wear the abb relay.
              ABB繼電器觸點的電流可直接影響觸點的性能,隨著觸點浪涌的增加,產生的金屬電積也會隨其增長,所以建議選擇壽命長的ABB繼電器保護觸點電路。
              The contact current of ABB relay can directly affect the performance of the contact. With the increase of contact surge, the metal electrowinning will also increase. Therefore, it is recommended to choose ABB relay with long service life to protect the contact circuit.


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