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  • 生物化工行業案例

    生物化工行業案例

    起(qi)動電流恒定,不能超(chao)過額定電流的2.5~3.5倍,起(qi)動時(shi)間在(zai)0~100S以內可調,且(qie)母線壓降(jiang)(jiang)(jiang)須(xu)控制在(zai)10%以內并在(zai)電網(wang)允(yun)許(xu)的情況(kuang)下大(da)限度地減小起(qi)動時(shi)的電網(wang)壓降(jiang)(jiang)(jiang),穩(wen)定電網(wang)質(zhi)量。節能降(jiang)(jiang)(jiang)耗

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    產品介紹

    山東潤(run)銀(yin)生(sheng)物化工(gong)股(gu)(gu)份有(you)限公司的(de)前身即是在同行業(ye)(ye)久付盛名的(de)山東省(sheng)瑞星化工(gong)有(you)限公司,企業(ye)(ye)轉制(zhi)后于2007年3月1日更名為(wei)山東潤(run)銀(yin)生(sheng)物化工(gong)股(gu)(gu)份有(you)限公司。是以化肥、化工(gong)、制(zhi)藥產業(ye)(ye)為(wei)主導,集科(ke)、工(gong)、貿(mao)等為(wei)一(yi)體的(de)現代化大(da)型企業(ye)(ye)。

    1.設(she)備參數

    電機(ji)名稱:氮(dan)氣(qi)壓縮機(ji)電動機(ji)

    電(dian)機型號:YKS800-4/5400

    電動機數量:1臺

    生產(chan)廠(chang)家:上海(hai)電機廠(chang)

    額定功率:5400KW

    額(e)定電壓:6KV

    額(e)定電流:601A

    功率因數:COS¢:0.9

    額(e)定頻(pin)率:50HZ

    額定轉速:1493r/min

    2.方(fang)案及原理

    選用的是我公司GSDQ系列高壓水(shui)電阻軟起動器,型號為GSDQ-6000。

    電(dian)(dian)(dian)(dian)氣原理:水(shui)(shui)電(dian)(dian)(dian)(dian)阻起動(dong)(dong)器是靠溶解在水(shui)(shui)中(zhong)的(de)(de)(de)電(dian)(dian)(dian)(dian)解質(zhi)離子導(dao)電(dian)(dian)(dian)(dian)的(de)(de)(de),電(dian)(dian)(dian)(dian)解質(zhi)充滿于兩個平面極板之間(即水(shui)(shui)電(dian)(dian)(dian)(dian)阻的(de)(de)(de)兩個電(dian)(dian)(dian)(dian)極),構成(cheng)一個電(dian)(dian)(dian)(dian)容(rong)狀的(de)(de)(de)導(dao)電(dian)(dian)(dian)(dian)體,屬純阻性負載(zai),它能夠限制(zhi)電(dian)(dian)(dian)(dian)流的(de)(de)(de)流通,又無感性元(yuan)件,起動(dong)(dong)時的(de)(de)(de)功率因(yin)數高,并(bing)降低了電(dian)(dian)(dian)(dian)動(dong)(dong)機的(de)(de)(de)起動(dong)(dong)電(dian)(dian)(dian)(dian)流,又使(shi)電(dian)(dian)(dian)(dian)動(dong)(dong)機獲(huo)得較大(da)的(de)(de)(de)端電(dian)(dian)(dian)(dian)壓,所(suo)以能使(shi)電(dian)(dian)(dian)(dian)動(dong)(dong)機100%的(de)(de)(de)起動(dong)(dong)完成(cheng)。

    山(shan)東潤銀生(sheng)物化(hua)工(gong)股份有(you)限公司的(de)前身即(ji)是在(zai)同行業(ye)久付盛(sheng)名的(de)山(shan)東省瑞星(xing)化(hua)工(gong)有(you)限公司,企業(ye)轉制后于(yu)2007年3月1日更名為山(shan)東潤銀生(sheng)物化(hua)工(gong)股份有(you)限公司。是以化(hua)肥(fei)、化(hua)工(gong)、制藥產業(ye)為主導,集科、工(gong)、貿等(deng)為一體的(de)現代化(hua)大型(xing)企業(ye)。

    1.設(she)備參數

    電機(ji)名稱:氮氣壓縮機(ji)電動機(ji)

    電機型號:YKS800-4/5400

    電(dian)動機(ji)數(shu)量:1臺

    生產(chan)廠家:上海(hai)電機廠

    額定功率:5400KW

    額定電壓:6KV

    額(e)定電流:601A

    功率(lv)因數:COS¢:0.9

    額(e)定頻率:50HZ

    額定(ding)轉速:1493r/min

    2.方案及(ji)原(yuan)理

    選用(yong)的是我公司GSDQ系列(lie)高壓水電阻(zu)軟起動器,型號為GSDQ-6000。

    電(dian)氣原理:水電(dian)阻(zu)起動器是靠溶(rong)解(jie)(jie)在水中(zhong)的(de)(de)(de)(de)電(dian)解(jie)(jie)質離子導(dao)電(dian)的(de)(de)(de)(de),電(dian)解(jie)(jie)質充滿于兩(liang)個平(ping)面極(ji)板(ban)之(zhi)間(即水電(dian)阻(zu)的(de)(de)(de)(de)兩(liang)個電(dian)極(ji)),構(gou)成一個電(dian)容狀的(de)(de)(de)(de)導(dao)電(dian)體(ti),屬純阻(zu)性負(fu)載,它能夠限制電(dian)流(liu)的(de)(de)(de)(de)流(liu)通,又無感性元件,起動時的(de)(de)(de)(de)功率因數高,并降(jiang)低了電(dian)動機的(de)(de)(de)(de)起動電(dian)流(liu),又使電(dian)動機獲(huo)得較大的(de)(de)(de)(de)端電(dian)壓,所(suo)以能使電(dian)動機100%的(de)(de)(de)(de)起動完成。

    山(shan)東(dong)(dong)潤銀(yin)生物化(hua)(hua)工股(gu)份(fen)有限公司的前身即是在同行(xing)業(ye)久付盛(sheng)名的山(shan)東(dong)(dong)省(sheng)瑞星(xing)化(hua)(hua)工有限公司,企業(ye)轉制后于(yu)2007年3月1日更名為(wei)(wei)山(shan)東(dong)(dong)潤銀(yin)生物化(hua)(hua)工股(gu)份(fen)有限公司。是以化(hua)(hua)肥、化(hua)(hua)工、制藥產業(ye)為(wei)(wei)主導,集科、工、貿等(deng)為(wei)(wei)一體(ti)的現代化(hua)(hua)大型企業(ye)。

    1.設備參數(shu)

    電機(ji)名稱:氮(dan)氣壓縮機(ji)電動(dong)機(ji)

    電機型號:YKS800-4/5400

    電(dian)動機數量:1臺

    生產廠家:上海電機廠

    額定功率:5400KW

    額定電壓:6KV

    額(e)定電流:601A

    功率因數:COS¢:0.9

    額(e)定頻率:50HZ

    額定轉(zhuan)速:1493r/min

    2.方案及原理

    選用的(de)是我公司GSDQ系列高壓水電阻軟起動(dong)器,型號(hao)為GSDQ-6000。

    電(dian)(dian)(dian)(dian)(dian)氣原理:水電(dian)(dian)(dian)(dian)(dian)阻(zu)(zu)起動(dong)器是靠溶解在水中的(de)(de)(de)電(dian)(dian)(dian)(dian)(dian)解質離(li)子導(dao)電(dian)(dian)(dian)(dian)(dian)的(de)(de)(de),電(dian)(dian)(dian)(dian)(dian)解質充滿于兩個平面極板之(zhi)間(即水電(dian)(dian)(dian)(dian)(dian)阻(zu)(zu)的(de)(de)(de)兩個電(dian)(dian)(dian)(dian)(dian)極),構成一個電(dian)(dian)(dian)(dian)(dian)容狀(zhuang)的(de)(de)(de)導(dao)電(dian)(dian)(dian)(dian)(dian)體,屬純阻(zu)(zu)性負載,它(ta)能(neng)夠限制電(dian)(dian)(dian)(dian)(dian)流(liu)的(de)(de)(de)流(liu)通,又無感性元(yuan)件,起動(dong)時的(de)(de)(de)功率因數高,并(bing)降低了電(dian)(dian)(dian)(dian)(dian)動(dong)機(ji)的(de)(de)(de)起動(dong)電(dian)(dian)(dian)(dian)(dian)流(liu),又使(shi)電(dian)(dian)(dian)(dian)(dian)動(dong)機(ji)獲得較大的(de)(de)(de)端電(dian)(dian)(dian)(dian)(dian)壓,所以(yi)能(neng)使(shi)電(dian)(dian)(dian)(dian)(dian)動(dong)機(ji)100%的(de)(de)(de)起動(dong)完成。


    高壓開關柜QS1合閘,QF1閉合,QS2合閘,水電阻起動器接收到其輔助常開接點閉合的信號(稱起動指令),經水阻PLC邏輯判斷后,起動器按程序運行。這時,極板拖動電動機帶動傳動機構及動極板向下移動,與定極板的距離逐漸減小,兩極板間的電阻值逐漸減小,主電動機逐漸加速,當動極板運動到下端時,阻值接近為零,QS2分閘,星點柜QF2閉合,使主電動機投全壓運行,同時動極板向上移動到上端,便于下一次起動。

    3.使用(yong)情況(kuang)及(ji)功能

    (1)起動(dong)電(dian)流恒定,不能超過額定電(dian)流的2.5~3.5倍,起動(dong)時間在0~100S以(yi)內可調,且(qie)母線壓降需要控制在10%以(yi)內并在電(dian)網允許的情(qing)況(kuang)下大限度地減小起動(dong)時的電(dian)網壓降,穩定電(dian)網質量。

    (2)可根據實際(ji)情況在現(xian)場調整有關參數,以獲得(de)滿意的起動特性,電(dian)阻為(wei)液體(ti)電(dian)阻。

    (3)控(kong)(kong)制回路采用(yong)可(ke)(ke)編程(cheng)控(kong)(kong)制器(qi)進行邏輯(ji)程(cheng)序——電(dian)流閉環控(kong)(kong)制,加裝人機界面可(ke)(ke)視(shi)監控(kong)(kong)系統,可(ke)(ke)用(yong)觸摸屏監控(kong)(kong),也可(ke)(ke)用(yong)后(hou)臺計算機進行遠程(cheng)監控(kong)(kong),監測(ce)起(qi)(qi)動(dong)(dong)(dong)過程(cheng)中液(ye)阻(zu)及(ji)電(dian)動(dong)(dong)(dong)機動(dong)(dong)(dong)態參(can)數,軟起(qi)(qi)動(dong)(dong)(dong)器(qi)設備需(xu)要(yao)有液(ye)位,溫度(du)等相關參(can)數的檢測(ce)、現場顯示(shi)及(ji)控(kong)(kong)制、聯鎖、報(bao)警接(jie)點輸出(chu),每次起(qi)(qi)動(dong)(dong)(dong)的溫度(du)≤10℃次左(zuo)右,設有溫度(du)檢測(ce)、控(kong)(kong)制、保護功能(neng),實時(shi)(shi)(shi)檢測(ce)顯示(shi)電(dian)阻(zu)液(ye)溫度(du)。當連續起(qi)(qi)動(dong)(dong)(dong)數次,液(ye)溫升到(dao)安全值(70℃)以上時(shi)(shi)(shi),控(kong)(kong)制水電(dian)阻(zu)不(bu)允許(xu)起(qi)(qi)動(dong)(dong)(dong);當起(qi)(qi)動(dong)(dong)(dong)過程(cheng)中電(dian)阻(zu)液(ye)升高到(dao)危(wei)險(xian)溫度(du)(85℃)水阻(zu)柜發出(chu)保護信號讓開關柜跳閘,不(bu)讓液(ye)電(dian)阻(zu)沸騰溢(yi)出(chu),起(qi)(qi)動(dong)(dong)(dong)超時(shi)(shi)(shi)保護功能(neng)。

    (4)起動(dong)(dong)(dong)平穩,對(dui)機(ji)械設備(bei)無沖擊;起動(dong)(dong)(dong)過程完成后,電(dian)機(ji)供(gong)電(dian)由起動(dong)(dong)(dong)回(hui)路自動(dong)(dong)(dong)平穩地切換到運行(xing)回(hui)路。

    (5)保證連續啟動次(ci)數不低于3次(ci)或每次(ci)起(qi)(qi)動時(shi)間(jian)(jian)不大(da)于120秒,提供連續起(qi)(qi)動間(jian)(jian)隔時(shi)間(jian)(jian)和補充電解液(ye)間(jian)(jian)隔時(shi)間(jian)(jian)。

    (6)無諧(xie)波污染:本裝置的使(shi)用不會產生高次(ci)諧(xie)波,免(mian)除對(dui)電網的污染。

    4.結束語

    設(she)備(bei)投入使用至今,運行狀態良(liang)好,使起動電(dian)(dian)流(liu)得到有效抑制,避免直接起動沖擊電(dian)(dian)流(liu)對變壓器及各(ge)種系(xi)統設(she)備(bei)的(de)沖擊,延長電(dian)(dian)機的(de)使用壽命,提(ti)高(gao)了(le)供電(dian)(dian)系(xi)統的(de)可靠性,安(an)全性。達到了(le)滿意的(de)效果。

    (此內容由tjiaqi.cn提供)