描述
變壓器的試驗(yàn)是驗(yàn)證其性能和制造質(zhì)量的重要手段,試驗(yàn)的種類主要有型式試驗(yàn)、出廠試驗(yàn)、交接試驗(yàn)、預(yù)防性試驗(yàn)、檢修后試驗(yàn)等。
(1)型式試驗(yàn)。型式試驗(yàn)也稱設(shè)計(jì)試驗(yàn),它是對變壓器的結(jié)構(gòu)、性能進(jìn)行全面鑒定的試驗(yàn),以確認(rèn)變壓器是否達(dá)到原設(shè)計(jì)的要求。
(2)出廠試驗(yàn)。它是每一臺變壓器出廠時(shí)必須進(jìn)行的試驗(yàn),以檢驗(yàn)該變壓器是否符合原定技術(shù)條件的要求,確認(rèn)沒有制造上的偶然缺陷。
(3)交接試驗(yàn)。它是根據(jù)合同的技術(shù)條件和驗(yàn)收要求,在變壓器安裝后投入運(yùn)行前進(jìn)行的試驗(yàn),以確認(rèn)變壓器在運(yùn)輸、安裝過程中是否發(fā)生損壞和變化,是否符合投運(yùn)要求。
(4)預(yù)防性試驗(yàn)。它是在變壓器投入運(yùn)行后,通過測量變壓器電氣回路和絕緣狀態(tài)的試驗(yàn),以確認(rèn)變壓器能否繼續(xù)運(yùn)行。
(5)檢修后試驗(yàn)。它是在變壓器檢修后,根據(jù)有關(guān)標(biāo)準(zhǔn)和檢修部位的特點(diǎn),進(jìn)行有針對性的試驗(yàn),以確認(rèn)檢修后的質(zhì)量,并確認(rèn)變壓器能否投入運(yùn)行。
歐美品牌停產(chǎn)的,常用的“PLC”備品備件
我司產(chǎn)品應(yīng)用于以下領(lǐng)域:
1,《發(fā)電廠DCS監(jiān)控系統(tǒng)》
2,《智能平鋼化爐系統(tǒng)制造》
3,《PLC可編程輸送控制系統(tǒng)》
4,《DCS集散控制系統(tǒng)》
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5,《智能型消防供水控制系統(tǒng)》
6,《化工廠藥液恒流量計(jì)算機(jī)控制系統(tǒng)》
7,《電氣控制系統(tǒng)》造紙,印染生產(chǎn)線,變電站綜合自動(dòng)化控制系列
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