- 上一篇:電機選型四大步驟,易學易用!
- 下一篇:電動機是如何工作的
電(dian)動伸縮四輪(lun)機的接地電(dian)阻分(fen)類是以其適用(yong)接地電(dian)阻食材的耐熱分(fen)類,分(fen)A、E、B、F、H級.容(ron🐟g)許泄漏電(dian)流是以電(dian)動伸縮四輪(l𓂃un)機的工作(zuo)溫度(du)表與周圈(quan)條件工作(zuo)溫度(du)表想必增加的底限。
升溫說(shuo)的(de)(de)是電動四輪機(ji)在固(𓃲gu)定(ding)運作模式下,定(ding)子繞阻的(de)(de)室(shi)內(nei)濕度(du)高(gao)上生態區域室(shi)內(nei)濕度(du)的(de)(de)參各值(生態區域室(shi)內(nei)濕度(du)標準為35℃或(huo)40℃下面的(de)(de),比如標貼上未標提供(gong)體參各值,則為40℃)
絕緣性的氣溫等級分
A級
E級
B級
F級
H級
最大不(bu)可(ke)以平均溫(wen)度(℃)
105
120
130
155
180
電機繞線溫度衛生防(fang)護(hu)距離(K)
60
75
80
100
125
性考慮室溫(℃)
80
95
100
120
145
在(zai)火力發調速電(dian)機(ji)等機(ji)械(xie)(xie)裝(zhuang)備中,隔(ge)(ge)(ge)熱(re)村💛料是都是薄弱校(xiao)的(de)(de)緩解.隔(ge)(ge)(ge)熱(re)村料尤其(qi)要更(geng)易深受(shou)持續(xu)高(gao)溫(wen)天(tian)氣(qi)(qi)(qi)的(de)(de)會影響而(er)加快和(he)提升(sheng)脆化(hua)并受(shou)損.區別的(de)(de)隔(ge)(ge)(ge)熱(re)村料耐溫(wen)耐熱(re)性(xing)有區別,適用區別隔(ge)(ge)(ge)熱(re)村料的(de)(de)機(ji)械(xie)(xie)裝(zhuang)備其(qi)受(shou)持續(xu)高(gao)溫(w🅷en)天(tian)氣(qi)(qi)(qi)的(de)(de)專業(ye)能力就出(chu)現區別.故此一樣 的(de)(de)機(ji)械(xie)(xie)裝(zhuang)備都法(fa)律法(fa)規其(qi)本職工作的(de)(de)最(zui)持續(xu)高(gao)溫(wen)天(tian)氣(qi)(qi)(qi)度。
人(ren)類基于與眾不(bu)同電(dian)(dian)(dian)(dian)(dian)接(jie)地(di)電(dian)(dian)(dian)(dian)(dian)阻性相關用(yong)料耐低溫(wen)(wen)的(de)(de)(de)(de)室(shi)(shi)溫(wen)(wen)因(yin)素(su)過(guo)(guo)高(gao)的(de)(de)(de)(de)水(shui)平對(dui)其要求了(le)5個不(bu)可(ke)以(yi)(yi)的(de)(de)(de)(de)最的(de)(de)(de)(de)室(shi)(shi)溫(wen)(wen)因(yin)素(su)過(guo)(guo)高(gao)度,通過(guo)(guo)的(de)(de)(de)(de)室(shi)(shi)溫(wen)(wen)因(yin)素(su)大大小小擺放(ꩵfang)各(ge)用(yong)為(wei):Y、A、E、B、F、H和C.它們的(de)(de)(de)(de)的(de)(de)(de)(de)不(bu)可(ke)以(yi)(yi)運行(xing)(xing)的(de)(de)(de)(de)室(shi)(shi)溫(wen)(wen)因(yin)素(su)各(ge)用(yong)為(wei):90、105、120、130、155、180和180℃以(yi)(yi)內。所以(yi)(yi)說,B級電(dian)(dian)(dian)(dian)(dian)接(jie꧒)地(di)電(dian)(dian)(dian)(dian)(dian)阻性反映的(de)(de)(de)(de)是該(gai)帶(dai)生(sheng)產發電(dian)(dian)(dian)(dian)(dian)量站(zhan)(zhan)機(ji)進行(xing)(xing)的(de)(de)(de)(de)電(dian)(dian)(dian)(dian)(dian)接(jie)地(di)電(dian)(dian)(dian)(dian)(dian)阻性耐低溫(wen)(wen)的(de)(de)(de)(de)室(shi)(shi)溫(wen)(wen)因(yin)素(su)為(wei)130℃.適用(yong)者在(zai)帶(dai)生(sheng)產發電(dian)(dian)(dian)(dian)(dian)量站(zhan)(zhan)機(ji)運行(xing)(xing)的(de)(de)(de)(de)時候要該(gai)做(zuo)到不(bu)使帶(dai)生(sheng)產發電(dian)(dian)(dian)(dian)(dian)量站(zhan)(zhan)機(ji)電(dian)(dian)(dian)(dian)(dian)接(jie)地(di)電(dian)(dian)(dian)(dian)(dian)阻性相關用(yong)料已(yi)超(chao)該(gai)的(de)(de)(de)(de)室(shi)(shi)溫(wen)(wen)因(yin)素(su)才能夠(gou)做(zuo)到帶(dai)生(sheng)產發電(dian)(dian)(dian)(dian)(dian)量站(zhan)(zhan)機(ji)正常情況下運行(xing)(xing)。
隔(ge)熱中(zhong)𝕴等級為B級的隔(ge)熱裝修(xiu)材(cai)料,一般是由云母片(pian)、巖棉、玻(bo)鎂、磨砂玻(bo)璃絲經有機(ji)物膠膠合或浸漬(zi)而成(cheng)的。
問:一樣(yang) 主軸直(𝄹zhi)(zhi)流電機在幾(ji)米的溫度表下🔯可(ke)(ke)正(zheng)確工作中?主軸直(zhi)(zhi)流電機頂多(duo)可(ke)(ke)承載幾(ji)米的
環境(jing)溫度?
答(da):如何(he)衡量直(zhi)流(liu)(liu)發(fa)(fa)直(zhi)流(liu)(liu)無刷(shua)(shua)主(zhu)(zhu)(zhu)軸(zhou)(zhou)主(zhu)(zhu)(zhu)軸(zhou)ℱ(zhou)調(diao)速電(🌄dian)機(ji)蓋的(de)(de)的(de)(de)工(gong)(gong)作高溫(wen)(wen)低(di)于條件(jian)的(de)(de)工(gong)(gong)作高溫(wen)(wen) 25 度上面(mian)的(de)(de)內容時(shi)(shi),揭(jie)示直(zhi)流(liu)(liu)發(fa)(fa)直(zhi)流(liu)(liu)無刷(shua)(shua)主(zhu)(zhu)(zhu)軸(zhou)(zhou)主(zhu)(zhu)(zhu)軸(zhou)(zhou)調(diao)速電(dian)機(ji)的(de)(de)升溫(wen)(wen)都已經(jing) 超乎(hu)了一切正常的(de)(de)超范圍(wei),是(shi)直(zhi)流(liu)(liu)發(fa)(fa)直(zhi)流(liu)(liu)無刷(shua)(shua)主(zhu)(zhu)(zhu)軸(zhou)(zhou)主(zhu)(zhu)(zhu)軸(zhou)(zhou)調(diao)速電(dian)機(ji)升溫(wen)(wen)是(shi)在 20 度下述。是(shi)直(zhi)流(liu)(liu)發(fa)(fa)直(zhi)流(liu)(liu)無刷(shua)(shua)主(zhu)(zhu)(zhu)軸(zhou)(zhou)主(zhu)(zhu)(zhu)軸(zhou)(zhou)調(diao)速電(dian)機(ji)磁(ci)圈是(shi)由(you)銅(tong)線繞而成,而銅(tong)線在的(de)(de)工(gong)(gong)作高溫(wen)(wen)高過 150 度以內時(shi)(shi)其(qi)油漆附著力會受到為(wei)的(de)(de)工(gong)(gong)作高溫(wen)(wen)過高而破(po)裂,可能(neng)會導致磁(ci)圈不導通。當磁(ci)圈的(de)(de)工(gong)(gong)作高溫(wen)(wen)在 150 度上面(mian)的(de)(de)內容時(shi)(shi)直(zhi)流(liu)(liu)發(fa)(fa)直(zhi)流(liu)(liu)無刷(shua)(shua)主(zhu)(zhu)(zhu)軸(zhou)(zhou)主(zhu)(zhu)(zhu)軸(zhou)(zhou)調(diao)速電(dian)機(ji)護(hu)殼所展(zhan)示出的(de)(de)的(de)(de)工(gong)(gong)作高溫(wen)(wen)在 100 度以內,以至(zhi)于如何(he)因(yin)而護(hu)殼的(de)(de)工(gong)(gong)作高溫(wen)(wen)為(wei)理論(lun)依據則(ze)直(zhi)流(liu)(liu)發(fa)(fa)直(zhi)流(liu)(liu)無刷(shua)(shua)主(zhu)(zhu)(zhu)軸(zhou)(zhou)主(zhu)(zhu)(zhu)軸(zhou)(zhou)調(diao)速電(dian)機(ji)所必(bi)須的(de)(de)至(zhi)高的(de)(de)工(gong)(gong)作高溫(wen)(wen)為(wei) 100 度。
問:變頻(pin)電(dian)動機(ji)的室內(nei)(nei)體(ti)溫(wen)應在(zai) 20 攝氏以內(nei)(nei),即變頻(pin)電(dian)動機(jꦐi)軸承端蓋的室內(nei)(nei)體(ti)溫(wen)已經超過條件室內(nei)(nei)體(ti)溫(wen)應
低(di)于(yu) 20 攝(she)氏溫度(du),但(dan)直流(liu)電機發熱怎(zen)么(me)𒐪辦(ban)達到 20 攝(she)氏溫度(du)的原(yuan)故是(s❀hi)哪些?
答:三相(xiang)交(jiao)(jiao)流(liu)接(jie)(jie)(jie)觸(chu)器(qi)產生(sheng)熱量的(de)隨便情況報(bao)告是(shi)致(zhi)使電(dian)流(liu)大(da)小量大(da)致(zhi)使的(de)。通(tong)常幾率是(shi)電(dian)阻(zu)線(xian)串電(dian)或(huo)(huo)短路(lu)、磁鋼(gang)退磁或(huo)(huo)三相෴(xiang)交(jiao)(jiao)流(liu)接(jie)(jie)(jie)觸(chu)器(qi)率低等帶來,普通(tong)情況報(bao)告則是(shi)三相(xiang)交(jiao)(jiao)流(liu)接(jie)(jie)(jie)觸(chu)器(qi)長期限大(da)電(dian)流(liu)大(da)小量持續(xu)運行。
問:那些(xie)問題使得調速電機會變燙(tang)?真是這個這樣的的時候?
答:馬(ma)(ma)達(da)(da)(da)(da)電動(dong)機(ji)扭矩程(cheng)序運行時(shi)馬(ma)(ma)達(da)(da)(da)(da)內有功效損耗量(liang),最終能夠(gou)都將(jiang)成為(wei)卡路里(li)(li),這會(hui)使馬(ma)(ma)達(da)(da)(da)(da)濕(shi)(shi)(shi)度變高,超過了了周(zhou)邊壞(huai)境濕(shi)(shi)(shi)度。馬(ma)(ma)達(da)(da)(da)(da)濕(shi)(shi)(shi)度比壞(huai)境濕(shi)(shi)(shi)度低于的(de)值喻為(wei)加溫。仍然產(chan)生加溫,馬(ma)(ma)達(da)(da)(da)(da)也要向周(zhou)邊cpu蒸(zheng)發器;濕(shi)(shi)(shi)度越(yue)高、cpu蒸(zheng)發器越(yue)快(kua𝐆i)。當馬(ma)(ma)達(da)(da)(da)(da)機(ji)構用時(shi)放(fang)出的(de)卡路里(li)(li)乘以散出的(de)卡路里(li)(li)時(shi),馬(ma)(ma)達(da)(da)(da)(da)濕(shi)(shi)(shi)度不要不斷增加,而始終維持著(zhu)一種穩固一致的(de)濕(shi)(shi)(shi)度,即(ji)正處于起熱與cpu蒸(zheng)發器穩定性(xing)的(de)情(qing)況下(xia)。
問:通常(chang)點選準(zhun)許溫(wen)度(du)多少錢個?三相異步高壓電機的(de)(de)溫(wen)度(du)對三相異步高壓電機中的(de)(de🅘)哪(na)位部件(jian)引響大(da)?是應該如何定位的(de)(de)?
答:三相(xiang)(xiang)(xiang)高(gao)壓減(jian)(jian)速機(ji)(ji)載荷操作(zuo)時(shi),從一(yi)定要樹(shu)立它的(de)(de)(de)意義去(qu)游玩前(qian),攜帶(dai)載荷即輸出(chu)運(yun)(yun)作(zuo)電(dian)(dian)(dian)(dian)壓越大(da)越貴(若不滿(man)足自(zi)動(dong)化(hua)強度)。所(suo)以輸出(chu)運(yun)(yun)作(zuo)電(dian)(dian)(dian)(dian)壓越大(da)、損耗量運(yun)(yun)作(zuo)電(dian)(dian)(dian)(dian)壓越大(da),體(ti)溫越高(gao)。你們確定,三相(xiang)(xiang)(xiang)高(gao)壓減(jian)(jian)速機(ji)(ji)內(nei)運(yun)(yun)作(zuo)濕度簿(bu)弱的(de)(de)(de)物質是(shi)電(dian)(dian)(dian)(dian)電(dian)(dian)(dian)(dian)隔熱(re)(re)層(ceng)(ceng)(ceng)(ceng)素(su)材,如絲(si)包線。電(dian)(dian)(dian)(dian)電(dian)(dian)(dian)(dian)隔熱(re)(re)層(ceng)(ceng)(ceng)(ceng)素(su)材運(yun)(yun)作(zuo)濕度建立一(yi)個局限(xian)(xian),在這一(yi)局限(xian)(xian)內(nei),電(dian)(dian)(dian)(dian)電(dian)(dian)(dian)(dian)隔熱(re)(re)層(ceng)(ceng)(ceng)(ceng)素(su)材的(de)(de)(de)設(she)備、化(hua)學(xue)上(shang)、自(zi)動(dong)化(hua)、電(dian)(dian)(dian)(dian)力等(deng)各自(zi)面功效(xiao)都(dou)更穩定,其運(yun)(yun)作(zuo)使(shi)用(yong)年限(xian)(xian)正(zheng)常約(yue)為20 年。超這一(yi)局限(xian)(xian),電(dian)(dian)(dian)(dian)電(dian)(dian)(dian)(dian)隔熱(re)(re)層𓄧(ceng)(ceng)(ceng)(ceng)素(su)材的(de)(de)(de)使(shi)用(yong)年限(xian)(xian)就(jiu)急(ji)驟就(jiu)縮短,也會(hui)損毀(hui)。這一(yi)體(ti)溫局限(xian)(xian),統稱電(dian)(dian)(dian)(dian)電(dian)(dian)(dian)(dian)隔熱(re)(re)層(ceng)(ceng)(ceng)(ceng)素(su)材的(de)(de)(de)不得(de)體(ti)溫。電(dian)(dian)(dian)(dian)電(dian)(dian)(dian)(dian)隔熱(re)(re)層(ceng)(ceng)(ceng)(ceng)素(su)材的(de)(de)(de)不得(de)體(ti)溫,正(zheng)是(shi)三相(xiang)(xiang)(xiang)高(gao)壓減(jian)(jian)速機(ji)(ji)的(de)(de)(de)不得(de)體(ti)溫;電(dian)(dian)(dian)(dian)電(dian)(dian)(dian)(dian)隔熱(re)(re)層(ceng)(ceng)(ceng)(ceng)素(su)材的(de)(de)(de)使(shi)用(yong)年限(xian)(xian),正(zheng)常正(zheng)是(shi)三相(xiang)(xiang)(xiang)高(gao)壓減(jian)(jian)速機(ji)(ji)的(de)(de)(de)使(shi)用(yong)年限(xian)(xian)。
熱度過高(gao)就會電(dian)動(dong)三(san)輪(lun)機分類的錯誤代碼性質一種,所以倒(dao)底(di)是哪個愿意使得撥電(di🙈an)話動(dong)三(san)輪(lun)機的熱度過高(gao)呢?
后面是典(dian)型的直(zhi)流(liu)電(dian)驅動力氣溫高的主觀原因及(ji)正確處理工(gonꦑg)藝:
1、智(zhi)能式機的(de)立即(ji)相(xiang)(xiang)電(dian)流(liu)(liu)的(de)端工作(zuo)(zuo)(zuo)電(dian)壓(ya)超(chao)穩定相(xiang)(xiang)電(dian)流(liu)(liu)的(de)端工作(zuo)(zuo)(zuo)電(dian)壓(ya)10%這,或智(zhi)能式機的(de)立即(ji)相(xiang)(xia💦ng)電(dian)流(liu)(liu)的(de)端工作(zuo)(zuo)(zuo)電(dian)壓(ya)少于穩定相(xiang)(xiang)電(dian)流(liu)(liu)的(de)端工作(zuo)(zuo)(zuo)電(dian)壓(ya)5%這時,都要 影響智(z🦂hi)能式機在穩定載荷簽發熱和水溫(wen)提(ti)高,這類(lei)的(de)的(de)情況應檢(jian)查報告和校準相(xiang)(xiang)電(dian)流(liu)(liu)的(de)端工作(zuo)(zuo)(zuo)電(dian)壓(ya)。
2、電(dian)動機的380V交流(liu)電(dian)原(yuan)電(dian)阻值(zhi)出(chu)來不(bu)均(jun)衡(heng)也(ye)會(hui)導致電(dian⛄)動機變燙,這是可能當380V交流(liu)電(dian)原(yuan)電(dian)阻值(zhi)不(bu)均(jun)衡(heng)度超5%還是會(hui)導致380V功(gong)率的不(bu)均(jun)衡𝕴(heng),要對方(fang)法步驟是撿查和(he)校準電(dian)阻值(zhi)。
3、自(zi)動(dong)式機的電源線旋轉開關有接(jie)觸到間題和(he)一相熔絲斷路(lu)總要(yao)會造成的缺(que)相自(zi)動(dong)運行(xing)(xing),故而(er)會造成自(zi)動(dong)式🅰機的環境溫度提高,很好解決(jue)辦法是復原或(huo)進行(xing)(xing)更換(huan)磨損的機件。
4、電動三(san)輪(lun)(lun)四輪(lun)(lun)機(ji)的電機(ji)定子(zi)布線(xian)有腳(jiao)本誤區(qu),因此功率裝載下使用的電動三(san)輪(lu🍰n)(lun)四輪(lun)(lun)機(ji)生成溫度過熱(re)狀(zhuang)況,來解(jie)決策略是修復電機(ji)定子(zi)線(xian)的布線(xian)腳(jiao)本誤區(qu)。
5、電動(dong)伸(s🃏hen)縮(suo)伸(shen)縮(suo)機(ji)的定(ding)子線圈匝間或(huo)紅(hong)黃擊穿或(huo)接(jie)地線,也許的情況下會促使電動(dong)伸(shen)縮(suo)伸(shen)縮(suo)機(ji)的工作電流擴大而引發溫(wen)差提升,處理(li)好方(fang)式方(fang)法是學校(xiao)加包(bao)隔熱或(hu𒉰o)會直接(jie)修改線圈。
6、電(dian)動式(shi)機的籠型(xing)葉(xie)片(pian)⭕斷(duan)條(tiao)或繞線(xian)葉(xie)片(pian)電(✱dian)感接線(xian)頭(tou)脫(tuo)開,會引起(qi)返(fan)修(xiu)網的感應(ying)電(dian)流(liu)不斷(duan)增強而行成(cheng)回溫,應(ying)該對(dui)(dui)手(shou)段是對(dui)(dui)焊補或換掉葉(xie)片(pian)。
7、電動(dong)(dong)(dong)三輪機(ji)的(de)滑(hua)動(dong)(dong)(dong)軸承型號(hao)(hao)損(sun)傷(shang)嚴峻時(shi),會制造(zao)比較大的(de)擦(ca)碰(peng)而(er)制造(zao)卡路里,處理(li)好具體方法是查檢滑(hua)動(dong)(dong)(d🍸ong)ᩚᩚᩚᩚᩚᩚᩚᩚᩚ𒀱ᩚᩚᩚ軸承型號(hao)(hao)能不(bu)(bu)能有(you)滑(hua)絲,定子(zi)(zi)和定子(zi)(zi)能不(bu)(bu)能有(you)一致黑心的(de)前提。
8、電動四輪機的(de)負(fu)荷(he)過大(da)也是超溫產生的(de)病(bing)因(yin),減(jian)緩負(fu)荷(he)或(huo)換個(ge)大(da)🎉功(gong)效的(de)電動四輪機能化解超溫話題。
9、電動四(si)輪三(san)輪機(ji)(ji)開(kai)啟有一些(xie)頻(pin)頻(♏pin)、用到區域室內高(gao)(gao)溫(wen)過(guo)高(gao)(gao)、進風不暢等(deng)也就會(hui)引致電動四(si)輪三(san)輪機🐎(ji)(ji)的室內高(gao)(gao)溫(wen)過(guo)高(gao)(gao),增(zeng)多開(kai)啟機(ji)(ji)會(hui)、減輕區域室內高(gao)(gao)溫(wen)、以確保風口保通、清理積塵和(he)油垢、確保換(huan)氣扇較(jiao)好暖(nuan)機(ji)(ji)都會(hui)以幫(bang)到改善看起來像的溫(wen)度(du)過(guo)熱方面。
程序運行中(zhong)的直流(liu)電(dian)(dian)行為(wei),假(jia)若工(gong)作(zuo)交流(liu)電(dian)(dian)不(bu)超越該直流(liu)電(dian)(dian)行為(wei)的功率工(gong)作(zuo)交流(liu)電(dian)(dian)就(jiu)證(zheng)明(ming)三極管上(shang)普(pu)(pu)遍沒得樣(yang)問題(ti),假(jia)若沒得發生變化原負荷(he)什么意(yi)思(si),要檢測工(gong)具(ju)電(dian)(dian)阻(zu)(zu)值可(ke)否(fo🌜u)(fou)于功率電(dian)(dian)阻(zu)(zu)值,普(pu)(pu)遍380V就(jiu)正負符號5%沒問題(ti)。看(kan)工(gong)作(zuo)周圍溫度表🅰可(ke)否(fou)(fou)過(guo)高(gao)。軸承套可(ke)否(fou)(fou)缺油。水冷散(san)熱排風扇(shan)可(ke)否(fou)(fou)損毀。
(1)阻(zu)(zu)抗過大。應緩減(jian)阻♕(zu)(zu)抗或(huo)拆換不(bu)大存儲量的🍌電(dian)動四輪機。
(2)兩相運行的。應(ying)撿(jian)查(cha)熔絲什么情況🍬(kuang)(kuan🐟g)下是擊穿、控(kong)制開關使(shi)用性點的使(shi)用性什么情況(kuang)(kuang)下是順暢,除掉常(chang)見(jian)故障(zhang);
(3)🧸電動伸縮機空調風管(gu🔯an)梗阻。應(ying)祛除空調風管(guan)積灰或(huo)油垢(gou);
(4)工作環境(jing)濕(sไhi)度增大。應通過采(cai)取散(ℱsan)熱保障措(cuo)施(shi);
(5)定子繞阻(zu)(zu)匝(za)間或(huo)紅黃出現(xian)(xian)擊(ji)穿(chuan)。用兆歐表或(huo)萬(wan)用表體檢(jian)二相繞阻(zu)(zu)間的(de)接地內(nei)阻(zu)(zu);供電(dian)流量大(da)小(xiao)和平法(fa)體檢(jian)單相繞阻(zu)(zu)電(dian)流量大(da)小(xiao),電(dian)流量大(da)小(xiao)大(da)的(de)相為(wei)出現(xian)(xian)擊(ji)穿(chuan)相,也能用的(de) 出現(xian)(xian)擊(ji)穿(chuan)技術偵(zhen)查器體檢(ꦰjian)繞阻(zu)(zu)匝(za)間可不(bu)可以(yi)出現(xian)(xian)擊(ji)穿(chuan);
(6)🤪定子線圈接(jie)地系統極(ji)。常用(yong)萬用(yong)表或顯示(shi)燈常規(gui)檢查,內阻為零的為接(jie)地系統極(ji)相;
(7)電(dian)(dian)(dian)(dian)(dian)流開(kai)關電(dian)(dian)(dian)(dian)(dian)流值(zhi)過低或過高。用萬(wan)用表的電(dian)(dian)(dian)(dian)(dian)流值(zhi)檔(dang)或電(dian)(dian)(dian)(dian)(dian)流值(zhi)表檢查電(dian)(dian)(dian)(dian)(dian)動三輪機進入端電🌼ꦏ(dian)(dian)(dian)(dian)(dian)流開(kai)關電(dian)(dian)(dian)(dian)(dian)流值(zhi)。