應用於起重機的較低成本的節能技術的實現
作zuo者zhe從cong事shi交jiao流liu變bian頻pin技ji術shu應ying用yong多duo年nian,對dui中zhong國guo的de變bian頻pin技ji術shu在zai起qi重zhong機ji上shang的de應ying用yong和he市shi場chang動dong態tai較jiao為wei了le解jie,對dui能neng量liang回hui饋kui技ji術shu關guan注zhu較jiao早zao,並bing對dui該gai技ji術shu及ji其qi發fa展zhan動dong向xiang進jin行xing了le深shen入ru研yan究jiu。
目前,工程中新添置的起重機械的電氣傳動係統主要是歐美國家的產品,如使用ABB公司,SIEMENS公司和ROCKWELLABgongsidechanpindeng。zaibianpinjishuyijingguangweiguoneiyonghujieshouyihou,diannenghuikuijishuyezhujianweiyonghusuozhongshi。youyuzhexiejishudoushicongguowaiyinjinde,yidandiannenghuikuijishuyubianpinqichanpinbangding,diannenghuikuibufenjibiandeshifenanggui,yejiushishuo,國外供應商賺取的利潤不僅是該產品本身應有的銷售利潤,還包括了中國用戶在使用該產品以後的若幹年內由於能源節約所得的經濟利益。這樣的銷售價格對國內用戶十分不利,大大限製了起重機械節能技術的推廣同時使已投運的眾多交流變頻驅動的起重機增加電能回饋功能的可能性變得非常小。
jingguoyanjiuzhihou,zuozhezaigongchengshijianzhongshejileyitaocaiyongdulidiannenghuikuizhuangzhidejiaoliubianpinxitongdeyingyongjishu,takeshiyongyumuqianzhongguoshichangshangxianyoudegeleibianpinqichanpin,bingyicixingchenggongditouyunzainantongtianshenggangdianchang3台生產能力均為1000t/hdeqiaoshizhuadouxiechuanjishang。jingguobannianduodeshijianjianyan,gaijishuxingnengwending,wanquandadaoqianshujijiaguowaigongyingshangchanpindexingneng。dulidediannenghuikuizhuangzhidailaideyichuhenduo,dianqixitongdebujiangengjiabiaozhunhua,tijixiao、功耗小、電磁諧波少、方(fang)案(an)靈(ling)活(huo),能(neng)夠(gou)按(an)實(shi)際(ji)需(xu)要(yao)配(pei)置(zhi)所(suo)需(xu)的(de)回(hui)饋(kui)容(rong)量(liang),不(bu)受(shou)製(zhi)於(yu)任(ren)何(he)一(yi)家(jia)變(bian)頻(pin)器(qi)供(gong)應(ying)商(shang)的(de)售(shou)價(jia)牽(qian)製(zhi),可(ke)為(wei)國(guo)內(nei)用(yong)戶(hu)提(ti)供(gong)最(zui)大(da)的(de)利(li)益(yi)和(he)實(shi)惠(hui)。作(zuo)者(zhe)及(ji)所(suo)在(zai)單(dan)位(wei)研(yan)製(zhi)的(de)各(ge)種(zhong)卸(xie)船(chuan)機(ji)電(dian)氣(qi)係(xi)統(tong)的(de)主(zhu)要(yao)部(bu)件(jian)仍(reng)是(shi)進(jin)口(kou)件(jian),不(bu)存(cun)在(zai)產(chan)品(pin)批(pi)量(liang)生(sheng)產(chan)的(de)工(gong)藝(yi)控(kong)製(zhi)問(wen)題(ti),因(yin)此(ci),係(xi)統(tong)的(de)可(ke)靠(kao)性(xing)較(jiao)高(gao)。應(ying)用(yong)於(yu)橋(qiao)式(shi)抓(zhua)鬥(dou)卸(xie)船(chuan)機(ji)上(shang)的(de)交(jiao)流(liu)變(bian)頻(pin)係(xi)統(tong)和(he)控(kong)製(zhi)係(xi)統(tong)采(cai)用(yong)獨(du)立(li)電(dian)能(neng)回(hui)饋(kui)裝(zhuang)置(zhi)。在(zai)現(xian)有(you)的(de)由(you)交(jiao)流(liu)變(bian)頻(pin)驅(qu)動(dong)的(de)起(qi)重(zhong)機(ji)械(xie)上(shang)進(jin)行(xing)改(gai)造(zao)升(sheng)級(ji),追(zhui)加(jia)電(dian)能(neng)回(hui)饋(kui)功(gong)能(neng),可(ke)充(chong)分(fen)利(li)用(yong)從(cong)勢(shi)能(neng)轉(zhuan)化(hua)的(de)電(dian)能(neng)。這(zhe)種(zhong)改(gai)造(zao)升(sheng)級(ji)耗(hao)時(shi)短(duan),現(xian)場(chang)安(an)裝(zhuang)隻(zhi)需(xu)1d。
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