F31X301DCCAPG1燃汽輪機控制_廈門阿米控技術有限公司

產品標題:F31X301DCCAPG1 PC板燃汽輪機控制係統

型號： F31X301DCCAPG1

品牌：GE

產品詳情資料：

接下來，根據***小允許線路電壓定義的***小允許啟動電壓，在與自定義曲線相交的點處為加速度保護曲線輸入一個點。還輸入該電壓的鎖定轉子電流和失速時間。輸入***線路電壓的***個交點。再次，輸入鎖定轉子電流和失速時間，這一次是***線路電壓。根據***小允許線路電壓和***線路電壓之間的測量線路電壓，從失速時間和交叉點創建的保護曲線將是動態的。這種保護方法與阻抗繼電器一樣，固有地考慮了電機速度的變化。阻抗的變化由電機端子電壓和線路電流反映。對於任何給定的速度和任何給定的線路電壓，只有一個線路電流值。

產品英文詳情資料：

Next, a point must be entered for the acceleration protection curve at the point of intersection with the custom curve, based on the minimum allowable starting voltage as defined by the minimum allowable line voltage. The locked rotor current and safe stall time must also be entered for that voltage. A second point of intersection must be entered for *** line voltage. Once again, the locked rotor current and the safe stall time must be entered, this time for *** line voltage. The protection curve created from the safe stall time and intersection point will be dynamic based on the measured line voltage between the minimum allowable line voltage and the *** line voltage. This method of protection inherently accounts for the change in motor speed as an impedance relay would. The change in impedance is reflected by motor terminal voltage and line current. For any given speed at any given line voltage, there is only one value of line current.

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