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升降臺電機中非電量的測量
作者:升降平臺 來源: 金川升降平臺 發布時間:2014-3-24 16:09:26

升降臺電機中的非電量主要是指轉速、轉矩、溫度、磁場、振動和噪聲等物理量。轉速和轉矩是影響升降臺電機性能及與負載匹配關系的重要機械量,是升降臺電機制造廠和用戶都十分關心的兩個參量。升降臺電機溫度是影響升降臺電機可靠性及壽命的重要參量。對于升降臺電機中的繞組、鐵心等部件,往往需要考核它們的溫升是否與一定的容量相對應。溫度測量的目的就是要檢驗額定負載情況下穩定運行時,升降臺電機各部分的溫升(或溫度)是否不超過國家標準規定的相應限值。氣隙磁場是升降臺電機進行機電能量轉換的物質基礎和主要媒體,對升降臺電機性能影響極大。漏磁場雖然不參與機電能量轉換,但對升降臺電機參數、運行性能和起動性能等均有重要影響。升降臺電機磁場的測量對于改進升降臺電機設計,提高升降臺電機性能有重要意義。振動和噪聲對環境的污染,對人類健康的危害已經成為人們的共識。我國國家標準中詳細規定了升降臺電機振動和噪聲的限值及測試方法,了解和掌握這些測試方法及測試設備的基本原理是十分必要的。升降臺電機的轉速、轉矩、溫度以及磁場的測量,振動和噪聲的測量將以后文章中介紹。當測量非電量時,一般要借助于傳感器將非電量變換成電量,然后用電測量技術實現非電量的測量。

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