ACUITY IMAGING INC 070-200000

分類:
選擇深圳長欣,選擇放心,售后無憂
大量現(xiàn)貨,當天順豐發(fā)貨!
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聯(lián)系人:白工

電話:18150087953 / 18005022628

Whatsapp/Wechat:+8618150087953 / +18005022628

Email:[email protected]

描述

ACUITY IMAGING INC 070-200000

?電力變壓器作為電力系統(tǒng)中的核心設備,其穩(wěn)定可靠運行對電力系統(tǒng)是至關重要的,但是任何設備都不能保證永遠不出故障,變壓器出故障也是在所難免的,但是我們可以通過分析變壓器的運行狀態(tài)參數(shù),提前預測和避免變壓器可能出現(xiàn)的故障,提早做打算,從而保證變壓器的運行。因此電力系統(tǒng)的工作人員應該重視變壓器的運行參數(shù)研究,加強對變壓器運行狀態(tài)的分析和故障診斷的研究,這樣才能保證電力系統(tǒng)的長期高效穩(wěn)定地運行。
變壓器漏油。變壓器漏油是一個對變壓器安全運行造成巨大影響的事故,如果發(fā)生漏油,將直接導致變壓器運行癱瘓,產(chǎn)生環(huán)境污染,給企業(yè)帶來巨大的經(jīng)濟損失,影響國民經(jīng)濟生活。變壓器漏油根據(jù)大量的經(jīng)驗總結,主要發(fā)生在兩個位置,一個是油箱的焊接處,一個是油箱的防爆管。防爆管由于結構中存在一個玻璃膜,在變壓器運行時產(chǎn)生震動,震動會將玻璃膜震破碎,如果不能及時發(fā)現(xiàn),就會造成漏油的后果。因此后期可以通過加裝調(diào)壓閥來取消安裝防爆管所帶來的隱患。焊接處漏油往往是因為焊接質量不過關造成,因此一方面要加強焊接工藝,另一方面要加強巡檢,及時發(fā)現(xiàn)及時處理。
變壓器鐵芯多處接地。根據(jù)國家標準規(guī)定,電力變壓器的鐵芯位置,只允許有一個位置接地,如果鐵芯的接地位置超過一個,就會使鐵芯停止工作,導致變壓器不能正常運行。針對變壓器鐵芯出現(xiàn)多處接地的現(xiàn)象,可以通過對鐵芯和變壓器油箱上施加直流電沖擊,將接地線全部燒斷,為了確保接地線完全燒斷,可以多次電沖擊。另外就是停機,打開油箱檢測,發(fā)現(xiàn)多余的接地線,剪除多余的接地線。
變壓器接頭過熱。變壓器在設計時就按照接頭過熱,自動熔斷的機制進行設計,這是一種保護變壓器不被燒壞的方式。但是為了讓變壓器在發(fā)生接頭過熱后,能繼續(xù)恢復工作,可以用下面兩種方法:
普通鏈接。雖然變壓器的設計是過熱熔斷,但是變壓器工作起來難免發(fā)熱,因此需要對接頭的過熱熔斷機制接頭換成普通連接,這樣就能保證過熱也能連接,使變壓器繼續(xù)工作。
銅質或鋁質的電線連接變壓器的接頭都是采用的銅材質,但是銅材質在潮濕的環(huán)境內(nèi)會發(fā)生電解反應,所以同接頭無法與鋁接頭相連接,所有可以通過給變壓器加裝一端銅接頭一端鋁接頭的接線,就可以解決連接問題。

產(chǎn)品承諾:
保?證?全新原裝進口,
保?證?安全準時發(fā)貨,
保?證售后服務質量,
優(yōu)勢價格,大量現(xiàn)貨。

主營DCS系統(tǒng)配件
機器人系統(tǒng)配件
大型伺服系統(tǒng)配件
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Triconex?Siemens?Yaskawa?ABB?GE?Ovation?AB?Foxboro?Motorola?Schneider?XYCOM?KUKA
? 專業(yè)銷售進口DCS? PLC系統(tǒng)備件模塊 15天包退換 一年質保 大量現(xiàn)貨? 國內(nèi)實力庫存商家

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PLC模塊,可編程控制器,CPU模塊,IO模塊,AI模塊,通訊模塊。AB/施耐德/ABB/GE/本特利/西屋/英維斯/霍尼韋爾/黑馬/FU克斯波羅

15天包退換 一年質保 大量現(xiàn)貨? 國內(nèi)實力庫存商家


選擇深圳長欣,選擇放心,售后無憂大量現(xiàn)貨,當天順豐發(fā)貨!
主營:本特利,英維思,伍德沃德,??怂共_、西屋、瑞恩、施耐德莫迪康、ABB、AB、西門子、摩托羅拉、GE發(fā)那科、安川、博世力士樂,ACSO,力士樂等各大品牌的DCS系統(tǒng)配件,機器人系統(tǒng)配件,大型伺服系統(tǒng)備件。

先介紹幾點經(jīng)驗。
1、先通讀一遍“系統(tǒng)手冊”(不管能不能看懂,先了解個大概,以便學習編程時查找);
2、由位控邏輯入手,逐漸增加定時、計數(shù)等條件,把或、與、非關系理順;
3、進而練習整數(shù)運算、實數(shù)運算、類型轉換;
4、量程轉換、PID調(diào)節(jié)回路的建立及P、I、D參數(shù)的理解(最好是有個物理回路驗證,比如變頻器+電機+測速傳感器);
5、循環(huán)、順序、跳轉等程序控制(盡量避免跳轉,非跳不可時也是跳的越近越好);
6、中斷、通訊、位置控制....

本人以ABB工業(yè)機器人配件DSQC系列和Motorola MVME系列,GE 卡件 模塊 驅動器系列為主攻。各位電工朋友可根據(jù)自己的條件選擇適合自己的PLC品牌,由于PLC的基本框架大同小異,學會一種至于其它的學習起來也就簡單了。