POWER PAC EP8CC-24-OV
POWER PAC EP8CC-24-OV
POWER PAC EP8CC-24-OV
POWER PAC EP8CC-24-OV旋轉變壓器簡稱旋變,是由經過特殊電磁設計的高性能硅鋼疊片和漆包線構成的,相比于采用光電技術的編碼器而言,具有耐熱,耐振。耐沖擊,耐油污,甚至耐腐蝕等惡劣工作環境的適應能力,因而為武器系統等工況惡劣的應用廣泛采用,一對極(單速)的旋變可以視作一種單圈式反饋系統,應用也為廣泛,因而在此僅以單速旋變為討論對象,多速旋變與伺服電機配套,個人認為其極對數好采用電機極對數的約數,一便于電機度的對應和極對數分解。
1 .用一個直流電源給電機的UV繞組通以小于額定電流的直流電,V入,U出;
2.然后用示波器觀察旋變的SIN線圈的信號引線輸出;
3.依據操作的方便程度,調整電機軸上的旋變轉子與電機軸的相對位置,或者旋變定子與電機外殼的相對位置;
4.一邊調整,一邊觀察旋變SIN信號的包絡,一直調整到信號包絡的幅值完全歸零,鎖定旋變;(4‘).一邊調整,一邊觀察以旋變的Sin信號為橫軸、激勵信號為縱軸的李薩如圖,直到李薩如圖成為一條與縱坐標重合的垂線,且向CCW方向扭動該垂線偏向1、3象限,向CW方向扭動該垂線偏向2、4象限, 鎖定旋變;
5.來回扭轉電機軸,撒手后,若電機軸每次自由回復到平衡位置時,信號包絡的幅值過零點都能準確復現,或者李薩如圖都能與縱坐標重合為一條垂線,則對齊有效 。
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