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液壓控制中變頻調速替代比例調速的可行性分析

2020-05-27

伟德体育SUIZHUKEJIDEBUDUANJINBU,HENDUOQIYEDOUZAIJIXIESHEBEIDEGEXINFANGMIANZUOCHULEJIAODADENULI,CONGKEGUANDEJIAODULAISHUO,YEYAKONGZHISHIYIGEFEICHANGZHONGYAODEHUANJIE,HENDUODEJISHURENYUANDOUZAIZHEGEFANGMIANTOURULEDALIANGDESHIJIANHEJINGLI,MUQIANZUIZHONGYAODEGONGZUOJIUSHIYEYAKONGZHIDANGZHONGDEDIAOSUWENTI。BUFENJISHURENYUANTICHULEYIBIANPINDIAOSUTIDAIBILIDIAOSU,YEYOUYIBUFENDEJISHURENYUANRENGRANJIANCHIBILIDIAOSU,DIAOSUWENTIYIJINGCHENGWEILEMUQIANDEZHUYAOWENTI。YANGELAISHUO,BILIDIAOSUDEYINGYONGSHIJIANJIAOCHANG,ERQIEZAIXIANJINDEGONGZUOZHONG,YIJINGBIAOXIANCHULEYIDINGDEBUZU,YINCITANSUOYEYAKONGZHIZHONGBIANPINDIAOSUTIDAIBILIDIAOSUDEKEXINGXING,SHIFEICHANGZHONGYAODE。


YIWOGUOMUQIANDEFAZHANQINGKUANGLAISHUO,JIXIEFANGMIANDEJISHUHESHEBEIDUIQIYEDEFAZHANLAISHUO,JUYOUJUEDINGXINGDEYINGXIANG。BILIDIAOSUZAICHANGQIDEYINGYONGDANGZHONG,SUIRANCHANSHENGLEJIAODADEJIJIYINGXIANG,DANSHIZAISHEHUIXUQIUYUELAIYUEQIANGLIEDEJINTIAN,BILIDIAOSUDEGEFANGMIANZHIBIAOMINGXIANZHANXIANCHULEBUZU,BIFANGSHUOCHENGBENYOUSUOSHANGSHENG,XIAOLVXIAJIANG,ZONGTIDEXIAOGUOMEIYOUTISHENGDENGDENG。XIANGBIZHIXIA,BIANPINDIAOSUYIJINGZAILILUNSHANGHUODELEYIDINGDECHENGGONG,BINGQIEZAIZHONGDUODESHIYANDANGZHONG,ZHANXIANCHULEJIAOGAODEYOUYUEXING,RUGUONENGGOUZAIYEYAKONGZHIZHONG,JIANGBILIDIAOSUHUANCHENGBIANPINDIAOSU,YEXUHUIYOUYIGEGENGHAODEJIEGUO。BENWENJIUYEYAKONGZHIZHONGBIANPINDIAOSUTIDAIBILIDIAOSUDEKEXINGXINGJINXINGYIDINGDEFENXI。


YI、JIENENGJIANGHAO


BIANPINDIAOSUZAISHIJIDEYINGYONGBINGFEIWUJIKEXUN,ZAIQIANJINIANDEGONGZUODANGZHONG,YOUYUWOGUODEJINGJICHUXIANLEDAFUDUDEZENGCHANG,YINCIHENDUODIQUDEQIYEKAISHIKAOLVJIXIESHEBEIDEGEXIN,BILIDIAOSUSUIRANZAIHENDACHENGDUSHANGDUIYEYAKONGZHICHANSHENGLEJIAODADEJIJIYINGXIANG,DANYIMUQIANDESHEHUIXUQIUHEYEYAKONGZHIGONGZUOLIANGLAIKAN,CHUXIANLEMINGXIANDEBUZU。XIANGDUILAISHUO,BIANPINDIAOSUJUYOUHENDADEYOUSHI:


1.JIENENGXIAOGUOXIANZHU


ZAIYEYAKONGZHIDANGZHONGYINGYONGBIANPINDIAOSUBIMIANLEJIELIUSUNHAOHEYILIU、XIEHESUNHAO。LINGYIFANGMIAN,JIAOLIUBIANPINDIAOSUYEYAXITONGHUANTIGAOLEYUANDONGJI――YIBUDIANJIDEXIAOLVHEGAISHANGONGLVYINSU,ZHESHIQITAYEYADIAOSUFANGSHIWUFAJIEJUEDE。BILIDIAOSUZAIYUANLAIDEGONGZUODANGZHONG,BINGMEIYOUZHENDUIXINGDEJIEJUEZHEYIWENTI,SUIZHUSHIJIANDELIUSHI,ZONGTIDEYINHUANYUELAIYUEYANZHONG,BUFENGONGZUORENYUANSHENZHIZAIYEYAKONGZHIDANGZHONGFAXIANLEYIXIEWEIXIERENSHENANQUANDEYINHUAN。BIANPINDIAOSUDEZHENDUIXING,WEIYEYAKONGZHIDEANQUANXISHUTIGONGLEHENQIANGDEBAOZHANG。DUIYUJIENENGLAISHUO,MUQIANDEDABUFENGONGZUODOUZAITICHANGJIENENG,NENGYUANWEIJIYIJINGDUISHIJIEDEFAZHANGOUCHENGLEHENDADEWEIXIE,KECHIXULIYONGYUJIENENGCHENGWEILIANGDAZHONGDIANWENTI。BIANPINDIAOSUCONGJIENENGDEJIAODUCHUFA,WANQUANFUHEXIANJIEDUANYEYAKONGZHIGONGZUODEYAOQIU。


2.TIGAOXITONGDESHOUMINGHEKEKAOXING


DUIYUYEYAKONGZHIXITONGLAISHUO,ZAISHIJIDEYUNXINGDANGZHONG,YOUYUDIAOSUWENTIMEIYOUDEDAOJIAOHAODEJIEJUE,YINCIQISHOUMINGHEKEKAOXINGDADAJIANGDI,ZHIJIEYINGXIANGDAOLENENGYUANDEYINGYONG。CONGKEGUANDEJIAODULAISHUO,YOUBIANPINDIAOSUTIDAIBILIDIAOSU,NENGGOUZAIYIDINGCHENGDUSHANGTIGAOXITONGDESHOUMINGHEKEKAOXING。MUQIANZHUYAOSHIZAIYEYAKONGZHIXITONGDANGZHONG,CAIYONGBIANPINDIAOSULAIYUNZUO,TONGSHIYINGYONGKEKAOXINGDUIXITONGYAOQIUJIAODIDEDINGLIANGBENGLAIDAITIDUIXITONGYAOQIUGAODEBIANLIANGBENG,ZHEYANGZUODEHAOCHUSHI,NENGGOUZUIDAXIANDUDEBIMIANSHIYONGDUIJIEZHIYAOQIUGAODESIFUFA,YOUXIAOTIGAOLEKEKAOXING,BINGQIEZAICHANGSHIJIANDEGONGZUODANGZHONG,FUDONGJIAOXIAO。CHUCIZHIWAI,YOUBENGDEZHUANSUYULIULIANGCHENGZHENGBI,DANGLIULIANGJIANSHAODESHIHOU,YOUBENGDEZHUANSUYEBIANDI,TONGGUOZHEZHONGFANGSHI,RANGNENGYUANDELIYONGXIAOLVTIGAO,JIANJIESHIXIANLEJIENENGXIAOGUO。LINGYIFANGMIAN,YOUYUJIENENGXIAOGUOTIGAO,ZAIHENDACHENGDUSHANGJIANSHAOLEYOUBENGMOSUN,YANCHANGLESHIYONGSHOUMING。CONGYISHANGDEBIAOSHULAIKAN,ZAIYEYAKONGZHIXITONGDANGZHONG,YINGYONGBIANPINDIAOSUTIDAIBILIDIAOSU,JUYOUJIAOGAODEKEXINGXING,BINGQIEZAIJIENENGFANGMIAN,NENGGOUDADAOYIGEJIAOGAODESHUIZHUN。


3.JIANGHAOFANGMIAN


DUIYUYEYAKONGZHIXITONGLAISHUO,YINGYONGBIANPINDIAOSUBUJINNENGGOUJIENENG,TONGSHIZAIJIANGHAOFANGMIAN,YEHUODELEJIAOWEITUCHUDECHENGJIU。SHOUXIAN,ZAIDALIANGDESHIYANHESHIJIANGONGZUODANGZHONG,JISHURENYUANFAXIANYINGYONGBIANPINDIAOSUYIHOU,DIAOSUFANWEINENGGOUDADAO1:20,RUGUOZAILIULIANGJIAOXIAODESHIHOUYUJIELIUDIAOSUYIQISHIYONG,ZEKEDADAOGENGKUANDEDIAOSUFANWEI。YOUCIKEJIAN,BIANPINDIAOSUDEJIANGHAOXIAOGUOHUANSHIBIJIAOLIXIANGDE。YOUYUYEYAKONGZHIXITONGZAIJIXIESHEBEIDANGZHONG,ZHANYOUFEICHANGZHONGYAODEDIWEI,YINCIYAOXIANGZAISHIJIDEGONGZUODANGZHONG,JINYIBUTIGAOJIANGHAOXIAOGUO,HUANXUYAOJINYIBUNULI,MUQIAN,BIANPINDIAOSUWANQUANGAOBIELEYILIUSUNHAO,XITONGDEFARELVDADAJIANGDI。TONGSHI,ZAIMEIYOUJIAOGAOYAOQIUDESIFUYUANJIANDEJICHUSHANG,DUICHUANDONGJIEZHIJIGUOLVYAOQIUKESHIDANGJIANGDI。JIENENGYUJIANGHAOSHIXIANJIEDUANSHENGCHAN、JIAGONGDELIANGDAYAOQIU,YISHANGSANDIANCHONGFENSHUOMINGLEZAIYEYAKONGZHIXITONGZHONGYINGYONGBIANPINDIAOSUJUYOUHENGAODEKEXINGXING。


ER、KONGZHIXITONGDEJIANHUA


1.DISUWENDINGXINGWENTI


在原來的工作當中,液壓系統一直都在采用比例調速,但是效果并不理想,在低速穩定性方面,一直都表現出了難以處理的問題。首先,在油泵轉速過低的時候,自吸能力也會隨之降低。導致的結果就是,引起噪聲和流量脈動,甚至對速度的穩定也產生了較大的負面影響。還有,目前多數的變頻器采用的是電壓型逆變器供電,在低頻的情況下,會引起強烈的振動和噪聲,這些都是比例調速所凸顯的問題,對日常的工作來說,具有較大的負面影響。但變頻調速在這個方面做了很大程度上的努力,就低速穩定性問題本身而言,并沒有辦法完全避免,但是如果在相關的技術領域進行革新,日常工作當中嚴加注意,相信可以處理好或者最大限度的避免這類問題。在多數情況下,變頻調速系統在某一特定范圍內才會出現系統運行不穩定的區域,主要是與電機參數和運行條件有關,控制好上述幾個因素,就可以處理好低速穩定性問題。相對比例調速來說,變頻調速更容易控制,并且大大簡化了控制系統。


2.XIANGYINGDEKUAISUXING


YEYAKONGZHIXITONGDEJIANHUA,DUIYURIHOUDEGONGZUOLAISHUO,JUYOUFEICHANGZHONGYAODEZUOYONG。YINGYONGBIANPINDIAOSUTIDAIBILIDIAOSU,BUJINJINZAIDISUWENDINGDEWENTISHANGJUYOUJIAOGAODEKEXINXING,TONGSHIZAIXIANGYINGDEKUAISUXING,YEZHANXIANCHULEFEICHANGGAODESHUIZHUN。ZAIGUOQU,YOUYUCHANGQIYINGYONGBILIDIAOSU,YINCIXIANGGUANQIJIANDEGUOZAINENGLIYOUXIAN,ZAICHAOGUO50%DESHIHOU,JIUZHINENGYUNXINGYIFENZHONG,YANZHONGYINGXIANGLEJIASUXINGNENG。ZICONGZAIYEYAXITONGZHONGYINGYONGBIANPINDIAOSUYIHOU,XINGCHENGLEYIGEQUANXINDEDIAOSUXITONG,BUJINCHONGFENLIYONGBIANPINDIAOSUYEYAKONGZHIXITONGDIAOSUFANWEIDADETEDIAN,TONGSHIJIENENGXIAOGUOTEBIEXIANZHU,ZAICIJICHUSHANG,YOUBAOLIULEFAKONGGANGHUOZHEFAKONGMADAXIANGYINGKUAIDEYOUDIAN。TONGGUOYISHANGDEBIAOSHU,CHONGFENSHUOMINGLECAIYONGBIANPINDIAOSUBUJINKEYIJIANHUAYEYAKONGZHIXITONG,LINGWAIZAIHENDUOWENTIDECHULISHANG,YEDOUYINGYONGFEICHANGJIANBIANDEFANGSHI,FEICHANGFUHEMUQIANDEFAZHANZHUANGTAI。


3.QITAFANGMIAN


伟德体育YEYAKONGZHIXITONGZAIWEILAIDEFAZHANZHONG,RENGRANHUIZHANYOUJIXIESHEBEIDEZHUYAOKONGZHIDIWEI,BINGQIEDUIXIANGGUANLINGYUDEYINGXIANGJIANGHUIJINYIBUKUODA,JIANHUAXITONGBUJINYIWEIZHUHUIJIENENGJIANGHAO,TONGSHIHUANHUIJIANGDIYUNYINGCHENGBEN,ZAICHONGFENLIYONGNENGYUANDEJICHUSHANG,HUODEGENGDADEXIAOYI。BILIDIAOSUZAIYUANLAIDEYINGYONGDANGZHONG,YOUYUSHIDAIDEXIANZHIYIJIJISHUDEBUCHENGSHU,YINCIHAOFEILEDALIANGDECHENGBEN,ZAIJINGJIXIAOYIHESHEHUIXIAOYIFANGMIAN,DOUMEIYOUDADAOYIGELIXIANGDEBIAOZHUN。YINGYONGBIANPINDIAOSU,BUJINKEYIJIENENGJIANGHAO,TONGSHIDUIJIANHUAXITONGYEYOUMODADEHAOCHU。DAOMUQIANWEIZHI,HENDUODEDIQUDOUZAICAIYONGBIANPINDIAOSUDEFANGSHI,BINGQIEJISHUDEWANSHANSUDUHENKUAI,ZAICHENGBENFANGMIAN,YEYOUSUOJIANGDI。SUIRANMUQIANDEYEYAKONGZHIXITONGZAIHENDUODEFANGMIAN,RENGRANXUYAOJINYIBUWANSHAN,DANZAIBIANPINDIAOSUDEBANGZHUXIA,BUXUYAOTAIDUODESHIJIANJIUNENGGOUCHEDIJIEJUEWENTI。XIANGXINZAIRIHOUDEGONGZUODANGZHONG,YEYAKONGZHIXITONGYIJINGHUIDADAOYIGEGENGGAOSHUIZHUN。


SAN、ZONGJIE


伟德体育BENWENDUIYEYAKONGZHIZHONGBIANPINDIAOSUTIDAIBILIDIAOSUDEKEXINGXINGJINXINGLEYIDINGDEFENXI,CONGXIANYOUDEQINGKUANGLAIKAN,BIANPINDIAOSUTIDAIBILIDIAOSUDEKEXINGXINGJIAOGAO,BINGQIEZAIJIENENGJIANGHAOYIJIJIANHUAXITONGFANGMIAN,DOUZUODAOLEYIGEJIAOWEILIXIANGDEXIAOGUO。JINHOUDEGONGZUOZHONGDIANZAIYU,TONGGUODUIYINGJIANSHEBEIDEQIANGHUA,DADAOYIGEGENGHAODEYUNXINGZHUANGTAI,ZHIYOUJIANGYEYAKONGZHIXITONGYUDIANJIDEMOQIDUTIGAO,CAINENGHUODEGENGDADEJINGJIXIAOYI。


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