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固態繼電器的選用以及固態繼電器使用的注意事項

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固態繼電器的選用以及固態繼電器使用的注意事項

固態繼電器(qi)的選用


常用固(gu)(gu)態(tai)繼(ji)電(dian)(dian)(dian)(dian)器有(you)(you)HS、GTJ、JGW、KW、G3FD-×03SN、GZ1-L、G22-L、SZT036、JGJ、JGZ等(deng)系列商品(pin)。當固(gu)(gu)態(tai)繼(ji)電(dian)(dian)(dian)(dian)器選用時(shi),首(shou)要思考固(gu)(gu)態(tai)繼(ji)電(dian)(dian)(dian)(dian)器的(de)類型及帶負載(zai)才(cai)調(首(shou)要技能方針(zhen)有(you)(you)額外輸(shu)(shu)(shu)入電(dian)(dian)(dian)(dian)壓(ya)(ya)(ya)、輸(shu)(shu)(shu)入電(dian)(dian)(dian)(dian)流(liu)、額外輸(shu)(shu)(shu)出(chu)電(dian)(dian)(dian)(dian)壓(ya)(ya)(ya)、輸(shu)(shu)(shu)出(chu)電(dian)(dian)(dian)(dian)流(liu)、浪(lang)涌電(dian)(dian)(dian)(dian)流(liu)、輸(shu)(shu)(shu)出(chu)導通壓(ya)(ya)(ya)降、輸(shu)(shu)(shu)出(chu)漏(lou)電(dian)(dian)(dian)(dian)流(liu)、作業頻率)。選用的(de)固(gu)(gu)態(tai)繼(ji)電(dian)(dian)(dian)(dian)器應(ying)有(you)(you)必定的(de)功率余(yu)量(liang),其輸(shu)(shu)(shu)出(chu)電(dian)(dian)(dian)(dian)壓(ya)(ya)(ya)和輸(shu)(shu)(shu)出(chu)電(dian)(dian)(dian)(dian)流(liu)應(ying)高于受控電(dian)(dian)(dian)(dian)路(lu)電(dian)(dian)(dian)(dian)源電(dian)(dian)(dian)(dian)壓(ya)(ya)(ya)與電(dian)(dian)(dian)(dian)流(liu)的(de)1倍。若受控電(dian)(dian)(dian)(dian)路(lu)為電(dian)(dian)(dian)(dian)理性負載(zai),則固(gu)(gu)態(tai)繼(ji)電(dian)(dian)(dian)(dian)器的(de)輸(shu)(shu)(shu)出(chu)電(dian)(dian)(dian)(dian)壓(ya)(ya)(ya)和輸(shu)(shu)(shu)出(chu)電(dian)(dian)(dian)(dian)流(liu)應(ying)高于受控電(dian)(dian)(dian)(dian)路(lu)電(dian)(dian)(dian)(dian)源電(dian)(dian)(dian)(dian)壓(ya)(ya)(ya)與電(dian)(dian)(dian)(dian)流(liu)的(de)2倍以上。


固態繼電器運用留神(shen)事項


(1)導通后(hou)的管壓(ya)降較大(da),可(ke)達(da)1~2V,關于大(da)功率(lv)固態繼(ji)電器(qi),導通后(hou)的功耗和發熱(re)量也較大(da),運(yun)用時(shi)應(ying)思考散熱(re)條(tiao)件(如加散熱(re)器(qi)、風機冷卻(que)等(deng))。


(2)關斷后仍可稀有微安至(zhi)數(shu)毫安的漏電流(liu),不能完畢志向的電隔絕(jue)。關于(yu)(yu)某些功率較(jiao)小的負載(如基地繼電器(qi)、觸摸器(qi)線圈(quan)、電磁鐵等),應中選用(yong)漏電流(liu)小于(yu)(yu)1mA的固態繼電器(qi),不然會(hui)致使誤(wu)動作(zuo)。






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(3)對過載有(you)較大(da)的敏理性,有(you)必要用(yong)活(huo)絡熔斷器或RC阻尼電路對其進(jin)行過載維護。


(4) SSR為電流驅動型,在邏輯(ji)電路驅動時應盡或許(xu)地選用低電平輸出進行驅動,以(yi)確保有滿意(yi)的帶負載才諧和盡或許(xu)低的零電平。


(5)多(duo)(duo)個(ge)SSR的(de)輸入(ru)端能夠串并聯運用,但應滿(man)意并聯驅動(dong)電(dian)流(liu)大于多(duo)(duo)個(ge)SSR的(de)輸入(ru)電(dian)流(liu)之(zhi)和,串聯驅動(dong)電(dian)壓(ya)大于多(duo)(duo)個(ge)翻(fan)開電(dian)壓(ya)(以4V核算(suan))之(zhi)和。


(6)溝通SSR適用(yong)于(yu)50Hz或(huo)60Hz的工頻(pin)電網,不宜運(yun)用(yong)到高(gao)次(ci)諧(xie)波重量(liang)大的場(chang)合。例如,變頻(pin)器輸出端(duan)有(you)多組負(fu)載需(xu)求別離切換時,假定(ding)選用(yong)SSR作為開關則或(huo)許因為高(gao)次(ci)諧(xie)波使其不能牢靠(kao)關斷(duan),而且高(gao)次(ci)諧(xie)波還或(huo)許使SSR內(nei)部的RC吸收回路因過熱而迸(beng)裂。

公司(si)介紹:上海上繼科技(ji)有限公司(si)是一家專(zhuan)業從事電力系統繼電保護(hu)及智能(neng)電網電(dian)(dian)力自(zi)動化產(chan)品(pin)(pin)的(de)(de)研發、設(she)計、生產(chan)、銷(xiao)售(shou)(shou)和(he)服務為一體(ti)的(de)(de)高(gao)科技(ji)(ji)(ji)公(gong)司。擁有資深(shen)繼電(dian)(dian)保(bao)護專家團隊和(he)國(guo)(guo)內(nei)領先的(de)(de)檢測儀器(qi)及(ji)校驗設(she)備(bei)。同(tong)時還引用(yong)(yong)國(guo)(guo)內(nei)外(wai)先進技(ji)(ji)(ji)術,來進行(xing)技(ji)(ji)(ji)術創新。本公(gong)司的(de)(de)產(chan)品(pin)(pin)廣泛用(yong)(yong)于電(dian)(dian)力、工礦、鐵路、建筑等國(guo)(guo)家重大(da)工程輸配(pei)變(bian)電(dian)(dian)系統上,產(chan)品(pin)(pin)遠銷(xiao)東南亞(ya)及(ji)中(zhong)東地區(qu)。產(chan)品(pin)(pin)通過國(guo)(guo)家繼電(dian)(dian)保(bao)護及(ji)自(zi)動化設(she)備(bei)質(zhi)量監督檢驗中(zhong)心檢測,獲得ISO9001國(guo)(guo)際質(zhi)量體(ti)系認證。“科技(ji)(ji)(ji)創新,誠信務實”是公(gong)司的(de)(de)經(jing)營理念,本公(gong)司以(yi)高(gao)超的(de)(de)技(ji)(ji)(ji)術支持(chi)和(he)對用(yong)(yong)戶高(gao)度負責的(de)(de)售(shou)(shou)后服務贏(ying)得了(le)輸配(pei)電(dian)(dian)成(cheng)套(tao)企業(ye)的(de)(de)信賴(lai),且樹立了(le)良好的(de)(de)信譽。

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