某mou塔ta式shi起qi重zhong機ji在zai使shi用yong中zhong用yong戶hu反fan映ying,回hui轉zhuan時shi遇yu到dao迎ying風feng麵mian就jiu回hui轉zhuan不bu動dong,機ji械xie部bu分fen運yun行xing正zheng常chang,是shi否fou回hui轉zhuan機ji構gou電dian動dong機ji的de轉zhuan矩ju不bu夠gou。維wei修xiu人ren員yuan對dui回hui轉zhuan機ji構gou的de控製電路、電dian動dong機ji進jin行xing檢jian查zha,沒mei有you發fa現xian異yi常chang,懷huai疑yi電dian動dong機ji的de功gong率lv不bu夠gou。經jing過guo對dui回hui轉zhuan機ji構gou所suo需xu功gong率lv計ji算suan,理li論lun上shang現xian用yong的de電dian動dong機ji功gong率lv能neng滿man足zu要yao求qiu。是shi什shen麼me原yuan因yin呢ne?維wei修xiu人ren員yuan有you對dui與yu電dian氣qi相xiang連lian的de機ji械xie部bu分fen進jin行xing檢jian查zha,發fa現xian液ye力li耦ou合he器qi存cun在zai細xi微wei的de漏lou油you現xian象xiang,很hen難nan發fa現xian。耦ou合he器qi中zhong油you量liang減jian少shao造zao成cheng傳chuan遞di力li矩ju下xia降jiang。向xiang液ye力li耦ou合he器qi中zhong補bu充chong油you後hou,故gu障zhang消xiao除chu。這zhe個ge案an例li也ye給gei人ren兩liang個ge啟qi示shi:
(1)有些機械故障是以電氣故障為表象,檢查電氣故障時,要把相關的機械故障考慮進去。
(2)電氣維修人員也要掌握一定的機械知識。
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