行業動態
Industry dynamic-
202211-28
箱式變壓器高低壓側的接線方式
箱(xiang)式變(bian)(bian)壓(ya)器(qi)(qi)Δ/Y和Y/Δ結(jie)(jie)線(xian)組(zu)是(shi)(shi)輸(shu)(shu)入輸(shu)(shu)出(chu)不同(tong)相(xiang)位，按時(shi)鐘(zhong)表示分別是(shi)(shi)1點和3，5，7，9，11點，同(tong)樣是(shi)(shi)輸(shu)(shu)入與(yu)輸(shu)(shu)出(chu)之間的(de)(de)相(xiang)位關系，也需要用(yong)向量圖來(lai)描述。 為(wei)什么選擇(ze)的(de)(de)問題，要看它們各種結(jie)(jie)線(xian)的(de)(de)優(you)缺點？ 箱(xiang)式變(bian)(bian)壓(ya)器(qi)(qi)Δ結(jie)(jie)線(xian)可以看出(chu)，每相(xiang)繞組(zu)與(yu)另二相(xiang)繞組(zu)頭尾相(xiang)接，其(qi)優(you)點是(shi)(shi)三次諧波會在Δ形繞組(zu)中(zhong)自相(xiang)抵消，缺點是(shi)(shi)沒(mei)有(you)中(zhong)性點，無法(fa)利用(yong)（何種）接地方法(fa)控制對(dui)地電(dian)位。 油浸式箱(xiang)式變(bian)(bian)壓(ya)器(qi)(qi) 箱(xiang)式變(bian)(bian)壓(ya)器(qi)(qi)Y結(jie)(jie)線(xian)的(de)(de)優(you)缺點正好與(yu)Δ結(jie)(jie)線(xian)相(xiang)反，感(gan)應過來(lai)的(de)(de)三次諧波無法(fa)抵消，將會影響下一級或(huo)用(yong)電(dian)設備，但它有(you)中(zhong)性 -
202211-26
柴油發電機組容量的估算需要考慮哪些因素？
柴油發電(dian)機(ji)組(zu)容量(liang)的估(gu)算是十分重要也是比較復(fu)雜的問題，容量(liang)過小，無法帶全(quan)部負載(zai)(zai)或(huo)者在(zai)啟動大功(gong)率負載(zai)(zai)時(shi)導(dao)致突然停機(ji)；容量(liang)過大，投資及(ji)維護成本高(gao)，造(zao)成經濟浪費。而(er)且根據(ju)柴油機(ji)的特性，如(ru)果在(zai)小負載(zai)(zai)下長期(qi)工(gong)作，將(jiang)造(zao)成活塞環(huan)(huan)、噴油嘴積炭嚴重，氣缸(gang)磨損(sun)(sun)加劇(ju)等損(sun)(sun)壞機(ji)組(zu)的不良后果。所(suo)以在(zai)容量(liang)估(gu)算時(shi)需要考慮多方面的因素，包括(kuo)：使用環(huan)(huan)境(jing)、負載(zai)(zai)的類型和預(yu)留裕量(liang)等內(nei)容。 （1）使用環(huan)(huan)境(jing) 不同的工(gong)作環(huan)(huan)境(jing)會(hui)影(ying)響(xiang)機(ji)組(zu)的輸出功(gong)率。工(gong)作環(huan)(huan)境(jing)主要包括(kuo)環(huan)(huan)境(jing)溫度(du)、海(hai)拔和相對濕度(du)。當環(huan)(huan)境(jing)溫度(du)、海(hai)拔過高(gao)時(shi)，空(kong)氣密度(du)降(jiang)低，機(ji)組(zu)運(yun)行時(shi)燃(ran)燒所(suo) -
202211-25
箱式變壓器選用原則
1、熱(re)(re)繼(ji)(ji)電(dian)(dian)(dian)(dian)器(qi)(qi)(qi)的(de)(de)選擇 首先熱(re)(re)繼(ji)(ji)電(dian)(dian)(dian)(dian)器(qi)(qi)(qi)的(de)(de)脫(tuo)扣(kou)值熱(re)(re)不動作(zuo)電(dian)(dian)(dian)(dian)流(liu)(liu)為(wei)1.05 的(de)(de)In,動作(zuo)電(dian)(dian)(dian)(dian)流(liu)(liu)為(wei)1.2In,美式(shi)(shi)變壓器(qi)(qi)(qi)是(shi)根據電(dian)(dian)(dian)(dian)機的(de)(de)過載特(te)性設計的(de)(de)，所(suo)以(yi)選熱(re)(re)繼(ji)(ji)時(shi) ，干(gan)式(shi)(shi)變壓器(qi)(qi)(qi)熱(re)(re)繼(ji)(ji)的(de)(de)電(dian)(dian)(dian)(dian)流(liu)(liu)調節范圍(wei) 可以(yi)滿足(zu)電(dian)(dian)(dian)(dian)動機的(de)(de)額定電(dian)(dian)(dian)(dian)流(liu)(liu)就可以(yi)了。 第二要根據電(dian)(dian)(dian)(dian)動機是(shi)輕(qing)(qing)載啟(qi)動還(huan)是(shi)重(zhong)(zhong)載啟(qi)動來選熱(re)(re)繼(ji)(ji)的(de)(de)脫(tuo)扣(kou)特(te)級，箱式(shi)(shi)變壓器(qi)(qi)(qi)一般分10A 10 20 30幾個等級，分別對應(ying)7.2In下(xia)熱(re)(re)繼(ji)(ji)的(de)(de)脫(tuo)扣(kou)時(shi)間（環境溫度20度的(de)(de)條件下(xia)）。比如水泵類(lei)(lei)負載，為(wei)輕(qing)(qing)載啟(qi)動用(yong)10A級。風(feng)機類(lei)(lei)負載為(wei)重(zhong)(zhong)載啟(qi)動，用(yong)20等級的(de)(de)。 2、塑料外殼式(shi)(shi)斷(duan)路器(qi)(qi)(qi)—— -
202211-24
柴油發電機組機房的吸聲與膈聲設置
根據不(bu)(bu)同應用(yong)場(chang)合(he)的(de)需(xu)要，我們可以采取(qu)隔聲(sheng)(sheng)(sheng)、吸聲(sheng)(sheng)(sheng)、消聲(sheng)(sheng)(sheng)等(deng)(deng)方法(fa)來(lai)控制柴(chai)油發(fa)電(dian)(dian)機(ji)(ji)組(zu)的(de)進排(pai)氣(qi)(qi)、排(pai)煙等(deng)(deng)噪聲(sheng)(sheng)(sheng)。那么(me)，大家先來(lai)簡單看(kan)(kan)看(kan)(kan)一般的(de)柴(chai)油發(fa)電(dian)(dian)機(ji)(ji)組(zu)機(ji)(ji)房(fang)是如何進行吸聲(sheng)(sheng)(sheng)、隔聲(sheng)(sheng)(sheng)設置的(de)。 發(fa)電(dian)(dian)機(ji)(ji)房(fang)隔聲(sheng)(sheng)(sheng) 會把機(ji)(ji)房(fang)原來(lai)的(de)窗(chuang)(chuang)(chuang)戶、門(men)均改制為(wei)隔聲(sheng)(sheng)(sheng)窗(chuang)(chuang)(chuang)和隔聲(sheng)(sheng)(sheng)門(men)。隔聲(sheng)(sheng)(sheng)窗(chuang)(chuang)(chuang)采用(yong)三層不(bu)(bu)等(deng)(deng)厚(hou)的(de)玻璃(li)構(gou)成，每兩層玻璃(li)之間(jian)預(yu)留100mm厚(hou)的(de)空氣(qi)(qi)層，窗(chuang)(chuang)(chuang)戶邊(bian)緣(yuan)采用(yong)橡(xiang)膠(jiao)墊或(huo)玻璃(li)膠(jiao)密(mi)封；隔聲(sheng)(sheng)(sheng)門(men)采用(yong)40mm厚(hou)的(de)鐵(tie)板、超細玻璃(li)棉、角鋼、扁鐵(tie)及(ji)沖(chong)網(wang)板制作，其厚(hou)度為(wei)150mm，邊(bian)緣(yuan)也采用(yong)橡(xiang)膠(jiao)墊、油毛氈(zhan)等(deng)(deng)密(mi)封。 機(ji)(ji)房(fang)的(de)吸聲(sheng)(sheng)(sheng) 機(ji)(ji)房(fang)內的(de)墻面均采取(qu)吸聲(sheng)(sheng)(sheng)措施 -
202211-23
箱式變壓器試驗研究
電(dian)(dian)力(li)變(bian)(bian)壓(ya)器是(shi)電(dian)(dian)力(li)系(xi)統(tong)中比(bi)較重(zhong)要的(de)(de)設備，箱(xiang)式變(bian)(bian)壓(ya)器主要通過繞組(zu)線(xian)圈來達到(dao)(dao)調節電(dian)(dian)壓(ya)的(de)(de)目的(de)(de)。在當前電(dian)(dian)力(li)系(xi)統(tong)越來越復雜(za)，美式變(bian)(bian)壓(ya)器相應(ying)的(de)(de)高(gao)壓(ya)電(dian)(dian)力(li)系(xi)統(tong)構建(jian)越來越繁(fan)雜(za)的(de)(de)情況下，高(gao)壓(ya)變(bian)(bian)壓(ya)器運行可(ke)(ke)靠性必(bi)須引起足夠的(de)(de)重(zhong)視。而確保電(dian)(dian)力(li)高(gao)壓(ya)變(bian)(bian)壓(ya)器運行的(de)(de)可(ke)(ke)靠性主要就是(shi)保障其(qi)相應(ying)的(de)(de)參數和(he)(he)損耗值等能(neng)滿足基本需求，干式變(bian)(bian)壓(ya)器相應(ying)的(de)(de)標(biao)準也能(neng)具備理(li)想(xiang)的(de)(de)規范性效(xiao)果(guo)。基于(yu)這些(xie)要求，相應(ying)的(de)(de)試(shi)(shi)驗(yan)(yan)(yan)工(gong)作顯(xian)得極為必(bi)要，高(gao)壓(ya)變(bian)(bian)壓(ya)器試(shi)(shi)驗(yan)(yan)(yan)直(zhi)接關(guan)系(xi)到(dao)(dao)整(zheng)個系(xi)統(tong)的(de)(de)運行效(xiao)果(guo)，涉及的(de)(de)內(nei)容(rong)和(he)(he)試(shi)(shi)驗(yan)(yan)(yan)檢(jian)測手段也較繁(fan)雜(za)。由(you)此(ci)可(ke)(ke)見，做好高(gao)壓(ya)變(bian)(bian)壓(ya)器試(shi)(shi)驗(yan)(yan)(yan)工(gong)作極為必(bi)要，相關(guan)專 -
202211-22
發電機組的電能方式
按轉換的(de)電(dian)(dian)(dian)(dian)(dian)能(neng)方(fang)式(shi)(shi)可分為(wei)(wei)交流(liu)(liu)發(fa)(fa)電(dian)(dian)(dian)(dian)(dian)機(ji)(ji)(ji)(ji)(ji)(ji)(ji)和直(zhi)流(liu)(liu)發(fa)(fa)電(dian)(dian)(dian)(dian)(dian)機(ji)(ji)(ji)(ji)(ji)(ji)(ji)兩(liang)(liang)(liang)大類(lei)。 交流(liu)(liu)發(fa)(fa)電(dian)(dian)(dian)(dian)(dian)機(ji)(ji)(ji)(ji)(ji)(ji)(ji)又(you)(you)分為(wei)(wei)同(tong)步(bu)(bu)(bu)發(fa)(fa)電(dian)(dian)(dian)(dian)(dian)機(ji)(ji)(ji)(ji)(ji)(ji)(ji)和異(yi)步(bu)(bu)(bu)發(fa)(fa)電(dian)(dian)(dian)(dian)(dian)機(ji)(ji)(ji)(ji)(ji)(ji)(ji)兩(liang)(liang)(liang)種。同(tong)步(bu)(bu)(bu)發(fa)(fa)電(dian)(dian)(dian)(dian)(dian)機(ji)(ji)(ji)(ji)(ji)(ji)(ji)又(you)(you)分為(wei)(wei)隱(yin)極(ji)式(shi)(shi)同(tong)步(bu)(bu)(bu)發(fa)(fa)電(dian)(dian)(dian)(dian)(dian)機(ji)(ji)(ji)(ji)(ji)(ji)(ji)和凸(tu)極(ji)式(shi)(shi)同(tong)步(bu)(bu)(bu)發(fa)(fa)電(dian)(dian)(dian)(dian)(dian)機(ji)(ji)(ji)(ji)(ji)(ji)(ji)兩(liang)(liang)(liang)種。現(xian)代發(fa)(fa)電(dian)(dian)(dian)(dian)(dian)站(zhan)中(zhong)最常(chang)用的(de)是同(tong)步(bu)(bu)(bu)發(fa)(fa)電(dian)(dian)(dian)(dian)(dian)機(ji)(ji)(ji)(ji)(ji)(ji)(ji)，異(yi)步(bu)(bu)(bu)發(fa)(fa)電(dian)(dian)(dian)(dian)(dian)機(ji)(ji)(ji)(ji)(ji)(ji)(ji)很(hen)少(shao)用。 動力(li) 動力(li) 交流(liu)(liu)發(fa)(fa)電(dian)(dian)(dian)(dian)(dian)機(ji)(ji)(ji)(ji)(ji)(ji)(ji)組(zu)又(you)(you)可分為(wei)(wei)單相(xiang)發(fa)(fa)電(dian)(dian)(dian)(dian)(dian)機(ji)(ji)(ji)(ji)(ji)(ji)(ji)和三(san)相(xiang)發(fa)(fa)電(dian)(dian)(dian)(dian)(dian)機(ji)(ji)(ji)(ji)(ji)(ji)(ji)兩(liang)(liang)(liang)種。三(san)相(xiang)發(fa)(fa)電(dian)(dian)(dian)(dian)(dian)機(ji)(ji)(ji)(ji)(ji)(ji)(ji)輸出電(dian)(dian)(dian)(dian)(dian)壓(ya)為(wei)(wei)380V,單相(xiang)發(fa)(fa)電(dian)(dian)(dian)(dian)(dian)機(ji)(ji)(ji)(ji)(ji)(ji)(ji)輸出電(dian)(dian)(dian)(dian)(dian)壓(ya)為(wei)(wei)220V. 勵(li)(li)磁方(fang)式(shi)(shi)分類(lei)： 按勵(li)(li)磁方(fang)式(shi)(shi)可分為(wei)(wei)刷勵(li)(li)磁發(fa)(fa)電(dian)(dian)(dian)(dian)(dian)機(ji)(ji)(ji)(ji)(ji)(ji)(ji)和無(wu)刷勵(li)(li)磁發(fa)(fa)電(dian)(dian)(dian)(dian)(dian)機(ji)(ji)(ji)(ji)(ji)(ji)(ji)兩(liang)(liang)(liang)類(lei) 有刷勵(li)(li)磁發(fa)(fa)電(dian)(dian)(dian)(dian)(dian)機(ji)(ji)(ji)(ji)(ji)(ji)(ji)的(de)勵(li)(li)磁方(fang)式(shi)(shi)為(wei)(wei)他勵(li)(li)式(shi)(shi)，無(wu)刷勵(li)(li)磁發(fa)(fa)電(dian)(dian)(dian)(dian)(dian)機(ji)(ji)(ji)(ji)(ji)(ji)(ji)的(de)勵(li)(li)磁方(fang)式(shi)(shi)為(wei)(wei)自(zi)勵(li)(li)式(shi)(shi)。他勵(li)(li)式(shi)(shi)式(shi)(shi)發(fa)(fa)電(dian)(dian)(dian)(dian)(dian)機(ji)(ji)(ji)(ji)(ji)(ji)(ji)的(de)整流(liu)(liu)裝 -
202211-21
箱式變壓器應該離我們多遠才安全？
現在是處于(yu)一個電(dian)氣時(shi)代，高樓大(da)廈之間擁(yong)有這各(ge)(ge)種各(ge)(ge)有的(de)電(dian)氣設備，保障著我(wo)們(men)生活(huo)的(de)供電(dian)運行。不知道大(da)家(jia)是否知道箱(xiang)式(shi)變電(dian)站，就是那(nei)個街道旁你進場會看(kan)到(dao)的(de)那(nei)個“大(da)鐵皮箱(xiang)”，這就是箱(xiang)式(shi)變電(dian)站，支(zhi)撐著我(wo)們(men)生活(huo)當中的(de)電(dian)力(li)(li)心痛(tong)，美(mei)式(shi)變壓(ya)這是一個大(da)型的(de)的(de)電(dian)力(li)(li)設備，每當你經(jing)過(guo)它的(de)時(shi)候，都能聽到(dao)“滋滋滋”的(de)聲音，那(nei)么這樣的(de)電(dian)力(li)(li)設備，有著大(da)量的(de)輻射(she)嗎？箱(xiang)式(shi)變壓(ya)器需(xu)要距離(li)(li)我(wo)們(men)多遠(yuan)才算安(an)全(quan)距離(li)(li)？ 箱(xiang)式(shi)變壓(ya)器應該離(li)(li)我(wo)們(men)多遠(yuan)才安(an)全(quan)？ 根據(ju)《安(an)規(gui)》數據(ju)，各(ge)(ge)電(dian)壓(ya)等級(ji)安(an)全(quan)距離(li)(li)是：500kv，5米；220kv， -
202211-19
柴油發電機組錯誤的啟動方式！
一：加(jia)大油(you)(you)(you)(you)(you)門啟(qi)(qi)動(dong)(dong) 柴(chai)油(you)(you)(you)(you)(you)發電機(ji)(ji)組(zu)啟(qi)(qi)動(dong)(dong)時(shi)不(bu)(bu)要(yao)加(jia)油(you)(you)(you)(you)(you)門。一般將油(you)(you)(you)(you)(you)門放置到怠速(su)位置上即可(ke)。但很多人為了(le)能使柴(chai)油(you)(you)(you)(you)(you)發電機(ji)(ji)組(zu)快點(dian)啟(qi)(qi)動(dong)(dong)，啟(qi)(qi)動(dong)(dong)前或啟(qi)(qi)動(dong)(dong)過(guo)程中猛加(jia)油(you)(you)(you)(you)(you)門。這(zhe)種(zhong)做法的(de)危害是： 浪費燃油(you)(you)(you)(you)(you)。多余的(de)柴(chai)油(you)(you)(you)(you)(you)會沖(chong)刷缸(gang)壁，使活塞、活塞環與(yu)氣缸(gang)套之間潤滑(hua)惡(e)化而加(jia)劇磨(mo)損;余油(you)(you)(you)(you)(you)流入油(you)(you)(you)(you)(you)底殼會稀釋機(ji)(ji)油(you)(you)(you)(you)(you)而降低(di)潤滑(hua)效果;氣缸(gang)中過(guo)多的(de)柴(chai)油(you)(you)(you)(you)(you)燃燒不(bu)(bu)完全(quan)會形成(cheng)(cheng)積碳。 柴(chai)油(you)(you)(you)(you)(you)機(ji)(ji)大油(you)(you)(you)(you)(you)門啟(qi)(qi)動(dong)(dong)后(hou)，轉速(su)可(ke)能升高很快，這(zhe)會對運動(dong)(dong)部(bu)件造成(cheng)(cheng)較大的(de)損壞(huai)(加(jia)劇磨(mo)損或造成(cheng)(cheng)拉缸(gang)等故障)。 二：強力冷態拖車啟(qi)(qi)動(dong)(dong) 柴(chai)油(you)(you)(you)(you)(you)發電機(ji)(ji)在冷車狀(zhuang)態 -
202211-18
箱式變電站過電壓現象的原因及應對措施
1、過(guo)電(dian)(dian)(dian)(dian)(dian)壓(ya)(ya)(ya)(ya)(ya)的(de)(de)(de)概念： 當箱式變(bian)(bian)電(dian)(dian)(dian)(dian)(dian)站(zhan)中(zhong)的(de)(de)(de)變(bian)(bian)壓(ya)(ya)(ya)(ya)(ya)器(qi)(qi)運(yun)行(xing)時(shi)，繼電(dian)(dian)(dian)(dian)(dian)保(bao)護校驗儀如果電(dian)(dian)(dian)(dian)(dian)壓(ya)(ya)(ya)(ya)(ya)超過(guo)它的(de)(de)(de)最(zui)大允許(xu)工作(zuo)(zuo)電(dian)(dian)(dian)(dian)(dian)壓(ya)(ya)(ya)(ya)(ya)，就稱為(wei)變(bian)(bian)壓(ya)(ya)(ya)(ya)(ya)器(qi)(qi)的(de)(de)(de)過(guo)電(dian)(dian)(dian)(dian)(dian)壓(ya)(ya)(ya)(ya)(ya)。 2、過(guo)電(dian)(dian)(dian)(dian)(dian)壓(ya)(ya)(ya)(ya)(ya)的(de)(de)(de)分類： 過(guo)電(dian)(dian)(dian)(dian)(dian)壓(ya)(ya)(ya)(ya)(ya)往往會對(dui)變(bian)(bian)壓(ya)(ya)(ya)(ya)(ya)器(qi)(qi)的(de)(de)(de)絕緣造(zao)成很(hen)大的(de)(de)(de)危害,甚至使絕緣擊(ji)穿。 過(guo)電(dian)(dian)(dian)(dian)(dian)壓(ya)(ya)(ya)(ya)(ya)可分為(wei)大氣過(guo)電(dian)(dian)(dian)(dian)(dian)壓(ya)(ya)(ya)(ya)(ya)和操(cao)作(zuo)(zuo)過(guo)電(dian)(dian)(dian)(dian)(dian)壓(ya)(ya)(ya)(ya)(ya)兩種： (1)大氣過(guo)電(dian)(dian)(dian)(dian)(dian)壓(ya)(ya)(ya)(ya)(ya)：輸(shu)電(dian)(dian)(dian)(dian)(dian)線路直接遭雷(lei)擊(ji)或(huo)雷(lei)云(yun)放(fang)電(dian)(dian)(dian)(dian)(dian)時(shi),電(dian)(dian)(dian)(dian)(dian)磁場的(de)(de)(de)劇烈變(bian)(bian)化所引起的(de)(de)(de)過(guo)電(dian)(dian)(dian)(dian)(dian)壓(ya)(ya)(ya)(ya)(ya)稱為(wei)大氣過(guo)電(dian)(dian)(dian)(dian)(dian)壓(ya)(ya)(ya)(ya)(ya); (2)操(cao)作(zuo)(zuo)過(guo)電(dian)(dian)(dian)(dian)(dian)壓(ya)(ya)(ya)(ya)(ya)：當箱式變(bian)(bian)電(dian)(dian)(dian)(dian)(dian)站(zhan)中(zhong)的(de)(de)(de)變(bian)(bian)壓(ya)(ya)(ya)(ya)(ya)器(qi)(qi)或(huo)線路上的(de)(de)(de)開關進(jin)行(xing)合閘或(huo)拉閘操(cao)作(zuo)(zuo)時(shi),因系統中(zhong)電(dian)(dian)(dian)(dian)(dian)磁能量振蕩和積聚(ju)而產生的(de)(de)(de)過(guo)電(dian)(dian)(dian)(dian)(dian)壓(ya)(ya)(ya)(ya)(ya)稱為(wei)操(cao)作(zuo)(zuo)過(guo)電(dian)(dian)(dian)(dian)(dian)壓(ya)(ya)(ya)(ya)(ya)。 變(bian)(bian)壓(ya)(ya)(ya)(ya)(ya)器(qi)(qi)的(de)(de)(de)這 -
202211-17
季節更換，柴油發電機組也要注意更換適合黏度的機油
近日，冷(leng)空氣(qi)(qi)(qi)南(nan)下越來(lai)越頻繁，氣(qi)(qi)(qi)溫驟(zou)降(jiang)、晝(zhou)夜溫差(cha)大，我國(guo)部(bu)分地區氣(qi)(qi)(qi)溫已明顯下降(jiang)，換季之時，不光是(shi)人們要更換季節衣物，柴油(you)(you)(you)(you)發(fa)電(dian)(dian)機(ji)(ji)(ji)組(zu)所(suo)使用(yong)(yong)的(de)機(ji)(ji)(ji)油(you)(you)(you)(you)也要注意(yi)根據(ju)當地氣(qi)(qi)(qi)候條件更換適合的(de)黏度等(deng)(deng)級。 對(dui)柴油(you)(you)(you)(you)發(fa)電(dian)(dian)機(ji)(ji)(ji)來(lai)說，機(ji)(ji)(ji)油(you)(you)(you)(you)的(de)選擇是(shi)非常重(zhong)要的(de)，柴油(you)(you)(you)(you)發(fa)電(dian)(dian)機(ji)(ji)(ji)組(zu)是(shi)一(yi)種高壓噴射電(dian)(dian)控發(fa)電(dian)(dian)機(ji)(ji)(ji)，零部(bu)件精度很高，因此發(fa)電(dian)(dian)機(ji)(ji)(ji)廠(chang)家要求(qiu)用(yong)(yong)戶對(dui)機(ji)(ji)(ji)油(you)(you)(you)(you)的(de)選用(yong)(yong)一(yi)定要嚴謹，這(zhe)直接關系到柴油(you)(you)(you)(you)發(fa)電(dian)(dian)機(ji)(ji)(ji)的(de)正常使用(yong)(yong)，在(zai)(zai)選擇機(ji)(ji)(ji)油(you)(you)(you)(you)時，要根據(ju)當地季節和氣(qi)(qi)(qi)溫選擇合適的(de)牌號(hao)機(ji)(ji)(ji)油(you)(you)(you)(you)，且一(yi)定要注意(yi)機(ji)(ji)(ji)油(you)(you)(you)(you)質量等(deng)(deng)級和粘度等(deng)(deng)級這(zhe)兩個重(zhong)要指標(biao)。一(yi)般在(zai)(zai)柴油(you)(you)(you)(you)發(fa)動(dong)機(ji)(ji)(ji)的(de)說明書中均有規定