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港口大型起重设备节(jie)能降耗技(ji)术

日期: 2019-10-11
浏览次(ci)数: 175

  港口节能设备供应商提醒您:现如今,全球物流的高速发展加速了港口货物的流通,而港口的大型设备在作业过程中需要完成相应的垂直移动,这种移动作业的方式需要消耗许多的能源,也使得大型起重设备所产生的再生能源很大,只有深入探索大型起重设备的节能降耗技术,才能够符合我国的节能减排要求。


  在主电路和电路控制方式上采用节能降耗技术


  港口大型起重机械的(de)(de)(de)内(nei)(nei)部主(zhu)(zhu)电(dian)路(lu)(lu)电(dian)压(ya)结(jie)构通常(chang)采用(yong)三(san)(san)相(xiang)(xiang)半(ban)桥电(dian)压(ya)器,三(san)(san)相(xiang)(xiang)半(ban)桥电(dian)压(ya)器的(de)(de)(de)整(zheng)流(liu)(liu)(liu)器是以(yi)拓扑(pu)结(jie)构组(zu)成的(de)(de)(de),交(jiao)流(liu)(liu)(liu)侧(ce)部分(fen)的(de)(de)(de)电(dian)压(ya)结(jie)构具有超强的(de)(de)(de)稳定(ding)性,其内(nei)(nei)部结(jie)构没(mei)有中线(xian)连接,采取三(san)(san)相(xiang)(xiang)对称(cheng)的(de)(de)(de)内(nei)(nei)部结(jie)构进行运(yun)作。三(san)(san)相(xiang)(xiang)半(ban)桥式电(dian)压(ya)器在(zai)运(yun)行时可以(yi)同(tong)时被六个IGBT功率(lv)(lv)开关同(tong)时控(kong)制,操作性较强,在(zai)整(zheng)流(liu)(liu)(liu)器拓扑(pu)内(nei)(nei)部安装网测滤波器,可以(yi)透过整(zheng)流(liu)(liu)(liu)器的(de)(de)(de)外部设备观察到内(nei)(nei)部的(de)(de)(de)高次(ci)谐波。主(zhu)(zhu)电(dian)路(lu)(lu)的(de)(de)(de)单位功率(lv)(lv)受(shou)到因数整(zheng)流(liu)(liu)(liu)的(de)(de)(de)影响,在(zai)交(jiao)流(liu)(liu)(liu)侧(ce)的(de)(de)(de)主(zhu)(zhu)电(dian)路(lu)(lu)上采取与电(dian)压(ya)量相(xiang)(xiang)同(tong)电(dian)路(lu)(lu)的(de)(de)(de)电(dian)网,在(zai)单位功率(lv)(lv)因素(su)变(bian)(bian)为(wei)逆变(bian)(bian)状态时,交(jiao)流(liu)(liu)(liu)侧(ce)的(de)(de)(de)主(zhu)(zhu)电(dian)路(lu)(lu)电(dian)流(liu)(liu)(liu)与单位功率(lv)(lv)电(dian)压(ya)相(xiang)(xiang)差180°左(zuo)右(you)。


  为(wei)了使大(da)型(xing)(xing)起重机(ji)械(xie)设(she)(she)备在(zai)施工作(zuo)业(ye)时可(ke)以(yi)达到(dao)节(jie)能(neng)降耗的(de)(de)(de)目的(de)(de)(de),首先可(ke)以(yi)在(zai)主(zhu)电(dian)(dian)(dian)(dian)(dian)路(lu)(lu)的(de)(de)(de)电(dian)(dian)(dian)(dian)(dian)流(liu)电(dian)(dian)(dian)(dian)(dian)压(ya)上采(cai)取相(xiang)关技术进(jin)行控(kong)(kong)制(zhi)(zhi)。在(zai)机(ji)械(xie)设(she)(she)备作(zuo)业(ye)时,改(gai)变(bian)原本所采(cai)用的(de)(de)(de)三相(xiang)半桥电(dian)(dian)(dian)(dian)(dian)压(ya)型(xing)(xing)控(kong)(kong)制(zhi)(zhi)器(qi),也就是将原本的(de)(de)(de)PWM整(zheng)流(liu)器(qi)改(gai)为(wei)PI控(kong)(kong)制(zhi)(zhi)器(qi),在(zai)整(zheng)流(liu)器(qi)的(de)(de)(de)旋转坐标处改(gai)变(bian)电(dian)(dian)(dian)(dian)(dian)流(liu)的(de)(de)(de)参(can)数,使原本的(de)(de)(de)交流(liu)侧(ce)电(dian)(dian)(dian)(dian)(dian)流(liu)变(bian)为(wei)恒(heng)定直(zhi)流(liu)量,对(dui)整(zheng)个电(dian)(dian)(dian)(dian)(dian)路(lu)(lu)系统进(jin)行无(wu)差(cha)调节(jie),通(tong)过(guo)改(gai)变(bian)主(zhu)电(dian)(dian)(dian)(dian)(dian)路(lu)(lu)的(de)(de)(de)电(dian)(dian)(dian)(dian)(dian)流(liu)达到(dao)节(jie)能(neng)降耗的(de)(de)(de)目的(de)(de)(de)。还(hai)可(ke)以(yi)通(tong)过(guo)控(kong)(kong)制(zhi)(zhi)电(dian)(dian)(dian)(dian)(dian)流(liu)大(da)小来改(gai)变(bian)电(dian)(dian)(dian)(dian)(dian)路(lu)(lu)的(de)(de)(de)控(kong)(kong)制(zhi)(zhi)方式,通(tong)过(guo)恒(heng)定直(zhi)流(liu)量技术对(dui)电(dian)(dian)(dian)(dian)(dian)路(lu)(lu)的(de)(de)(de)控(kong)(kong)制(zhi)(zhi)方式进(jin)行调节(jie),在(zai)大(da)型(xing)(xing)起重机(ji)械(xie)设(she)(she)备的(de)(de)(de)实际操作(zuo)运行中,电(dian)(dian)(dian)(dian)(dian)路(lu)(lu)内部(bu)(bu)的(de)(de)(de)滤波电(dian)(dian)(dian)(dian)(dian)容量会根据(ju)无(wu)功电(dian)(dian)(dian)(dian)(dian)流(liu)分量的(de)(de)(de)功率大(da)小检测出电(dian)(dian)(dian)(dian)(dian)路(lu)(lu)内部(bu)(bu)的(de)(de)(de)电(dian)(dian)(dian)(dian)(dian)压(ya)伏数。


  还可以对电(dian)(dian)(dian)压幅值进行准确的(de)(de)测量(liang)(liang)和检测,通(tong)(tong)过内部电(dian)(dian)(dian)路(lu)(lu)的(de)(de)电(dian)(dian)(dian)流频率改变原(yuan)本电(dian)(dian)(dian)路(lu)(lu)的(de)(de)能(neng)(neng)量(liang)(liang)值,使电(dian)(dian)(dian)路(lu)(lu)控(kong)(kong)制(zhi)(zhi)的(de)(de)能(neng)(neng)量(liang)(liang)值处于恒(heng)定(ding)状(zhuang)态,保证交流侧(ce)的(de)(de)电(dian)(dian)(dian)流是有(you)功电(dian)(dian)(dian)流,提高(gao)电(dian)(dian)(dian)路(lu)(lu)系统的(de)(de)稳(wen)(wen)定(ding)性(xing),保证系统功率因素的(de)(de)运行状(zhuang)态。通(tong)(tong)过通(tong)(tong)信(xin)技术的(de)(de)设(she)置也可以达到节能(neng)(neng)降耗的(de)(de)目(mu)的(de)(de),电(dian)(dian)(dian)路(lu)(lu)控(kong)(kong)制(zhi)(zhi)中的(de)(de)通(tong)(tong)信(xin)方式和通(tong)(tong)信(xin)设(she)备电(dian)(dian)(dian)流量(liang)(liang)主要被主控(kong)(kong)制(zhi)(zhi)系统所(suo)控(kong)(kong)制(zhi)(zhi)。在(zai)通(tong)(tong)信(xin)控(kong)(kong)制(zhi)(zhi)过程(cheng)中,主电(dian)(dian)(dian)路(lu)(lu)可以采用(yong)发送无功指令的(de)(de)形(xing)式完成无功补偿的(de)(de)链接和应(ying)用(yong),不仅可以使大型起重(zhong)设(she)备在(zai)施工作(zuo)业时达到节能(neng)(neng)降耗,对于大型起重(zhong)设(she)备内部电(dian)(dian)(dian)路(lu)(lu)系统的(de)(de)稳(wen)(wen)定(ding)性(xing)也有(you)一定(ding)的(de)(de)影响。


  利用能量回馈装置采取节能降耗技术


  大型起(qi)(qi)重机械(xie)设(she)备(bei)在(zai)(zai)施工作业时会带有集(ji)(ji)装(zhuang)(zhuang)箱来装(zhuang)(zhuang)载货物,集(ji)(ji)装(zhuang)(zhuang)箱的固定存放场地通常利用轮胎吊等(deng)大型起(qi)(qi)重机械(xie)来进(jin)(jin)(jin)行(xing)(xing)施工作业。其内(nei)部装(zhuang)(zhuang)置(zhi)主要是(shi)大型车、小型车和(he)起(qi)(qi)升装(zhuang)(zhuang)置(zhi)组成。在(zai)(zai)集(ji)(ji)装(zhuang)(zhuang)箱的内(nei)部系统上(shang)安装(zhuang)(zhuang)变(bian)频装(zhuang)(zhuang)置(zhi),在(zai)(zai)内(nei)侧集(ji)(ji)装(zhuang)(zhuang)变(bian)频控制(zhi)电流(liu),在(zai)(zai)进(jin)(jin)(jin)行(xing)(xing)设(she)备(bei)调速时,采取变(bian)频器倒挂的形式(shi)进(jin)(jin)(jin)行(xing)(xing)安装(zhuang)(zhuang)摆放,以(yi)集(ji)(ji)装(zhuang)(zhuang)箱内(nei)部的直流(liu)母线为安装(zhuang)(zhuang)倒控点进(jin)(jin)(jin)行(xing)(xing)倒挂,在(zai)(zai)制(zhi)动方(fang)式(shi)上(shang)改(gai)变(bian)原(yuan)(yuan)本(ben)的基础制(zhi)动方(fang)式(shi),采用制(zhi)动电阻(zu)的形式(shi)进(jin)(jin)(jin)行(xing)(xing)制(zhi)动,以(yi)上(shang)就(jiu)是(shi)大型起(qi)(qi)重机械(xie)设(she)备(bei)在(zai)(zai)施工作业时的能量回馈装(zhuang)(zhuang)置(zhi)原(yuan)(yuan)理。


  在能(neng)量(liang)(liang)(liang)(liang)回(hui)(hui)馈装(zhuang)(zhuang)(zhuang)(zhuang)置(zhi)(zhi)上(shang)采取节能(neng)降耗技(ji)术,通(tong)过(guo)(guo)对(dui)原(yuan)本的(de)(de)(de)(de)能(neng)量(liang)(liang)(liang)(liang)回(hui)(hui)馈装(zhuang)(zhuang)(zhuang)(zhuang)置(zhi)(zhi)进行(xing)改(gai)革,通(tong)过(guo)(guo)控(kong)(kong)制接触器(qi)的(de)(de)(de)(de)形式,可(ke)(ke)以自由的(de)(de)(de)(de)调节不(bu)(bu)控(kong)(kong)整(zheng)(zheng)流(liu)(liu)系(xi)(xi)统和能(neng)量(liang)(liang)(liang)(liang)回(hui)(hui)馈装(zhuang)(zhuang)(zhuang)(zhuang)置(zhi)(zhi)。在机(ji)械设(she)备运行(xing)时(shi),对(dui)能(neng)量(liang)(liang)(liang)(liang)回(hui)(hui)馈装(zhuang)(zhuang)(zhuang)(zhuang)置(zhi)(zhi)和不(bu)(bu)控(kong)(kong)整(zheng)(zheng)流(liu)(liu)系(xi)(xi)统进行(xing)调节,一旦大(da)(da)型起(qi)重设(she)备发(fa)生意外或者(zhe)故(gu)障,可(ke)(ke)以立刻切断(duan)不(bu)(bu)控(kong)(kong)整(zheng)(zheng)流(liu)(liu)系(xi)(xi)统的(de)(de)(de)(de)开关控(kong)(kong)制器(qi),还可(ke)(ke)以通(tong)过(guo)(guo)能(neng)量(liang)(liang)(liang)(liang)回(hui)(hui)馈系(xi)(xi)统进行(xing)检(jian)查(cha),避免设(she)备故(gu)障对(dui)大(da)(da)型起(qi)重机(ji)械造成(cheng)的(de)(de)(de)(de)损害,还可(ke)(ke)以保证施工(gong)作业人员的(de)(de)(de)(de)人身安全(quan),提高了港口作业的(de)(de)(de)(de)安全(quan)性(xing)和可(ke)(ke)靠(kao)性(xing)。在对(dui)港口大(da)(da)型起(qi)重设(she)备的(de)(de)(de)(de)调查(cha)中发(fa)现,将能(neng)量(liang)(liang)(liang)(liang)回(hui)(hui)馈装(zhuang)(zhuang)(zhuang)(zhuang)置(zhi)(zhi)安装(zhuang)(zhuang)(zhuang)(zhuang)在75t的(de)(de)(de)(de)装(zhuang)(zhuang)(zhuang)(zhuang)船机(ji)中,并(bing)在钢板装(zhuang)(zhuang)(zhuang)(zhuang)船机(ji)中采用(yong)不(bu)(bu)控(kong)(kong)整(zheng)(zheng)电流(liu)(liu)系(xi)(xi)统,通(tong)过(guo)(guo)对(dui)比发(fa)现,安装(zhuang)(zhuang)(zhuang)(zhuang)了不(bu)(bu)控(kong)(kong)整(zheng)(zheng)电流(liu)(liu)系(xi)(xi)统和能(neng)量(liang)(liang)(liang)(liang)回(hui)(hui)馈装(zhuang)(zhuang)(zhuang)(zhuang)置(zhi)(zhi)的(de)(de)(de)(de)装(zhuang)(zhuang)(zhuang)(zhuang)船机(ji)明(ming)显比没有(you)安装(zhuang)(zhuang)(zhuang)(zhuang)装(zhuang)(zhuang)(zhuang)(zhuang)置(zhi)(zhi)的(de)(de)(de)(de)装(zhuang)(zhuang)(zhuang)(zhuang)船机(ji)节省(sheng)电量(liang)(liang)(liang)(liang),短时(shi)间(jian)内的(de)(de)(de)(de)施工(gong)作业可(ke)(ke)以节省(sheng)35%以上(shang)用(yong)电量(liang)(liang)(liang)(liang)。


  通过以上(shang)的(de)对比研(yan)究发现(xian)(xian),在大(da)型起重设(she)备(bei)内(nei)(nei)部安(an)装(zhuang)(zhuang)能量(liang)(liang)回(hui)馈(kui)(kui)装(zhuang)(zhuang)置(zhi)(zhi)(zhi),可以通过机械设(she)备(bei)的(de)能量(liang)(liang)反馈(kui)(kui)了解到(dao)大(da)型机械的(de)运(yun)转状(zhuang)况,还可以节省用电量(liang)(liang),达(da)到(dao)节能降耗(hao)的(de)目(mu)的(de)。通过在集(ji)装(zhuang)(zhuang)箱上(shang)安(an)装(zhuang)(zhuang)能量(liang)(liang)反馈(kui)(kui)装(zhuang)(zhuang)置(zhi)(zhi)(zhi),操(cao)作人员可以随(sui)时掌握机械设(she)备(bei)内(nei)(nei)部零部件的(de)状(zhuang)态,一旦发现(xian)(xian)内(nei)(nei)部装(zhuang)(zhuang)置(zhi)(zhi)(zhi)异常,可以马上(shang)请相关的(de)技术(shu)人员进(jin)行检测(ce)和(he)维修,避免了由于集(ji)装(zhuang)(zhuang)箱内(nei)(nei)部系统的(de)不稳定性造成施工作业上(shang)的(de)失(shi)误,减少了二(er)次返工的(de)频率,在一定程度上(shang)达(da)到(dao)了节能降耗(hao)的(de)作用。


  通过对能量回馈装(zhuang)置的(de)(de)研究(jiu),改进了传(chuan)统大(da)型(xing)(xing)(xing)起(qi)重设(she)备的(de)(de)内部结构,使(shi)大(da)型(xing)(xing)(xing)起(qi)重设(she)备在施工(gong)(gong)作(zuo)(zuo)业(ye)时(shi)减(jian)少(shao)误差,明显(xian)的(de)(de)提(ti)高(gao)了大(da)型(xing)(xing)(xing)起(qi)重设(she)备的(de)(de)工(gong)(gong)作(zuo)(zuo)效(xiao)率(lv)。通过实(shi)验(yan)表明,无论(lun)是在大(da)型(xing)(xing)(xing)装(zhuang)卸船、大(da)型(xing)(xing)(xing)装(zhuang)卸机(ji)、港(gang)口大(da)型(xing)(xing)(xing)轮胎机(ji)上安装(zhuang)能量反馈装(zhuang)置,通过对技术系统的(de)(de)设(she)置,操作(zuo)(zuo)人员都(dou)可以随时(shi)掌握机(ji)械设(she)备的(de)(de)内部状况,明显(xian)的(de)(de)提(ti)高(gao)了大(da)型(xing)(xing)(xing)起(qi)重设(she)备的(de)(de)工(gong)(gong)作(zuo)(zuo)效(xiao)率(lv),对港(gang)口经济效(xiao)益也(ye)有(you)一(yi)定的(de)(de)影响(xiang),在一(yi)定程度上起(qi)到了节能降耗的(de)(de)作(zuo)(zuo)用。


  随着我国外贸经济的(de)(de)(de)不断发(fa)展(zhan)(zhan),港口贸易中(zhong)(zhong)能源(yuan)和(he)物(wu)资的(de)(de)(de)需求(qiu)量(liang)越来越大(da)。将(jiang)节能降耗技(ji)术应用(yong)到港口大(da)型起重设(she)备(bei)中(zhong)(zhong),符(fu)合现代(dai)社会能源(yuan)节约的(de)(de)(de)基本意识,符(fu)合可持(chi)续发(fa)展(zhan)(zhan)的(de)(de)(de)策略。可以在主电(dian)(dian)路(lu)和(he)电(dian)(dian)路(lu)控制上采取节能降耗技(ji)术,通过(guo)电(dian)(dian)路(lu)整(zheng)流(liu)器的(de)(de)(de)外部设(she)备(bei)技(ji)术改变机(ji)械设(she)备(bei)的(de)(de)(de)电(dian)(dian)流(liu)量(liang),还(hai)可以通过(guo)安装能量(liang)回馈装置的(de)(de)(de)方式,随时掌握(wo)机(ji)械设(she)备(bei)内(nei)部状况,减少设(she)备(bei)运(yun)行(xing)的(de)(de)(de)失误,提高(gao)大(da)型起重设(she)备(bei)施工的(de)(de)(de)精(jing)确度(du),从而达(da)到节能降耗的(de)(de)(de)目的(de)(de)(de)。

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2019 - 10 - 18
在现代的(de)(de)(de)(de)(de)城市生(sheng)活中(zhong),医院、学校、商场(chang)、办公场(chang)所、住宅小区等场(chang)所都有(you)(you)电(dian)(dian)(dian)(dian)(dian)(dian)梯(ti)(ti)(ti)(ti)的(de)(de)(de)(de)(de)影子,并且电(dian)(dian)(dian)(dian)(dian)(dian)梯(ti)(ti)(ti)(ti)数(shu)量越来越多。我国(guo)电(dian)(dian)(dian)(dian)(dian)(dian)梯(ti)(ti)(ti)(ti)的(de)(de)(de)(de)(de)生(sheng)产、安装(zhuang)总(zong)量位居(ju)全球的(de)(de)(de)(de)(de)首位,其中(zhong)有(you)(you)近1/3的(de)(de)(de)(de)(de)老旧电(dian)(dian)(dian)(dian)(dian)(dian)梯(ti)(ti)(ti)(ti),节(jie)能(neng)(neng)(neng)型(xing)电(dian)(dian)(dian)(dian)(dian)(dian)梯(ti)(ti)(ti)(ti)的(de)(de)(de)(de)(de)应用(yong)(yong)数(shu)量不足10%。面对如此庞大(da)的(de)(de)(de)(de)(de)能(neng)(neng)(neng)源消耗(hao),展(zhan)开节(jie)能(neng)(neng)(neng)审查与监(jian)督工作,采取有(you)(you)效(xiao)(xiao)的(de)(de)(de)(de)(de)节(jie)能(neng)(neng)(neng)降耗(hao)措(cuo)施具有(you)(you)重要意义。  电(dian)(dian)(dian)(dian)(dian)(dian)梯(ti)(ti)(ti)(ti)节(jie)能(neng)(neng)(neng)技(ji)(ji)(ji)术的(de)(de)(de)(de)(de)应用(yong)(yong)  群(qun)(qun)控(kong)(kong)技(ji)(ji)(ji)术  随着科技(ji)(ji)(ji)发展(zhan),自动化、信息(xi)化技(ji)(ji)(ji)术在各(ge)领域中(zhong)得到(dao)了应用(yong)(yong)与推广。电(dian)(dian)(dian)(dian)(dian)(dian)梯(ti)(ti)(ti)(ti)在运(yun)行(xing)(xing)过(guo)(guo)程中(zhong)启动、刹车、加速(su)等都会产生(sheng)大(da)量的(de)(de)(de)(de)(de)电(dian)(dian)(dian)(dian)(dian)(dian)能(neng)(neng)(neng)消耗(hao)。电(dian)(dian)(dian)(dian)(dian)(dian)梯(ti)(ti)(ti)(ti)群(qun)(qun)控(kong)(kong)技(ji)(ji)(ji)术能(neng)(neng)(neng)够对此展(zhan)开智(zhi)能(neng)(neng)(neng)的(de)(de)(de)(de)(de)控(kong)(kong)制预分配,减少(shao)电(dian)(dian)(dian)(dian)(dian)(dian)梯(ti)(ti)(ti)(ti)停靠、开启的(de)(de)(de)(de)(de)次数(shu),提(ti)高(gao)电(dian)(dian)(dian)(dian)(dian)(dian)梯(ti)(ti)(ti)(ti)运(yun)行(xing)(xing)效(xiao)(xiao)率,有(you)(you)规律、有(you)(you)目(mu)标的(de)(de)(de)(de)(de)进行(xing)(xing)高(gao)效(xiao)(xiao)运(yun)行(xing)(xing),从(cong)而实现节(jie)能(neng)(neng)(neng)降耗(hao)的(de)(de)(de)(de)(de)效(xiao)(xiao)果。电(dian)(dian)(dian)(dian)(dian)(dian)梯(ti)(ti)(ti)(ti)群(qun)(qun)控(kong)(kong)技(ji)(ji)(ji)术主要依(yi)托于计(ji)算(suan)机(ji)控(kong)(kong)制平台,实现对多台电(dian)(dian)(dian)(dian)(dian)(dian)梯(ti)(ti)(ti)(ti)的(de)(de)(de)(de)(de)集中(zhong)控(kong)(kong)制,通过(guo)(guo)智(zhi)能(neng)(neng)(neng)控(kong)(kong)制算(suan)法,对楼内电(dian)(dian)(dian)(dian)(dian)(dian)梯(ti)(ti)(ti)(ti)运(yun)行(xing)(xing)及使用(yong)(yong)情况进行(xing)(xing)判断,通过(guo)(guo)科学的(de)(de)(de)(de)(de)计(ji)算(suan)输出控(kong)(kong)制信号,从(cong)而调整电(dian)(dian)(dian)(dian)(dian)(dian)梯(ti)(ti)(ti)(ti)的(de)(de)(de)(de)(de)运(yun)行(xing)(xing)状态。从(cong)目(mu)前(qian)来看,电(dian)(dian)(dian)(dian)(dian)(dian)梯(ti)(ti)(ti)(ti)群(qun)(qun)控(kong)(kong)智(zhi)能(neng)(neng)(neng)算(suan)法有(you)(you)模糊控(kong)(kong)制算(suan)法、网络神经算(suan)...
2019 - 10 - 11
港口(kou)(kou)节(jie)能(neng)设(she)备(bei)供(gong)应(ying)商提醒您:现如(ru)今,全球物(wu)流(liu)(liu)(liu)(liu)的(de)(de)(de)(de)(de)高速(su)发展加速(su)了港口(kou)(kou)货物(wu)的(de)(de)(de)(de)(de)流(liu)(liu)(liu)(liu)通,而港口(kou)(kou)的(de)(de)(de)(de)(de)大型设(she)备(bei)在作(zuo)业(ye)(ye)过程中需要(yao)完成相(xiang)(xiang)应(ying)的(de)(de)(de)(de)(de)垂直移(yi)动,这种移(yi)动作(zuo)业(ye)(ye)的(de)(de)(de)(de)(de)方(fang)式需要(yao)消耗许多的(de)(de)(de)(de)(de)能(neng)源(yuan),也使得(de)大型起(qi)重设(she)备(bei)所产生的(de)(de)(de)(de)(de)再生能(neng)源(yuan)很大,只有(you)深入(ru)探索大型起(qi)重设(she)备(bei)的(de)(de)(de)(de)(de)节(jie)能(neng)降(jiang)耗技术,才能(neng)够符合我国的(de)(de)(de)(de)(de)节(jie)能(neng)减排要(yao)求。  在主(zhu)电(dian)(dian)(dian)路(lu)和电(dian)(dian)(dian)路(lu)控制方(fang)式上采用节(jie)能(neng)降(jiang)耗技术  港口(kou)(kou)大型起(qi)重机械(xie)的(de)(de)(de)(de)(de)内(nei)(nei)(nei)部(bu)(bu)(bu)主(zhu)电(dian)(dian)(dian)路(lu)电(dian)(dian)(dian)压(ya)(ya)(ya)结(jie)构(gou)通常(chang)采用三相(xiang)(xiang)半桥(qiao)电(dian)(dian)(dian)压(ya)(ya)(ya)器(qi)(qi)(qi)(qi),三相(xiang)(xiang)半桥(qiao)电(dian)(dian)(dian)压(ya)(ya)(ya)器(qi)(qi)(qi)(qi)的(de)(de)(de)(de)(de)整流(liu)(liu)(liu)(liu)器(qi)(qi)(qi)(qi)是以(yi)(yi)拓扑结(jie)构(gou)组成的(de)(de)(de)(de)(de),交流(liu)(liu)(liu)(liu)侧(ce)部(bu)(bu)(bu)分的(de)(de)(de)(de)(de)电(dian)(dian)(dian)压(ya)(ya)(ya)结(jie)构(gou)具有(you)超强(qiang)(qiang)的(de)(de)(de)(de)(de)稳定性,其内(nei)(nei)(nei)部(bu)(bu)(bu)结(jie)构(gou)没有(you)中线连接(jie),采取三相(xiang)(xiang)对称的(de)(de)(de)(de)(de)内(nei)(nei)(nei)部(bu)(bu)(bu)结(jie)构(gou)进行运作(zuo)。三相(xiang)(xiang)半桥(qiao)式电(dian)(dian)(dian)压(ya)(ya)(ya)器(qi)(qi)(qi)(qi)在运行时可以(yi)(yi)同(tong)(tong)时被(bei)六个IGBT功率开关同(tong)(tong)时控制,操作(zuo)性较强(qiang)(qiang),在整流(liu)(liu)(liu)(liu)器(qi)(qi)(qi)(qi)拓扑内(nei)(nei)(nei)部(bu)(bu)(bu)安装网测滤波器(qi)(qi)(qi)(qi),可以(yi)(yi)透过整流(liu)(liu)(liu)(liu)器(qi)(qi)(qi)(qi)的(de)(de)(de)(de)(de)外部(bu)(bu)(bu)设(she)备(bei)观察到(dao)内(nei)(nei)(nei)部(bu)(bu)(bu)的(de)(de)(de)(de)(de)高次谐波。主(zhu)电(dian)(dian)(dian)路(lu)的(de)(de)(de)(de)(de)单位功率受到(dao)因数(shu)整流(liu)(liu)(liu)(liu)的(de)(de)(de)(de)(de)影响,在交流(liu)(liu)(liu)(liu)侧(ce)的(de)(de)(de)(de)(de)主(zhu)电(dian)(dian)(dian)路(lu)上采取与(yu)电(dian)(dian)(dian)压(ya)(ya)(ya)量相(xiang)(xiang)同(tong)(tong)电(dian)(dian)(dian)路(lu)的(de)(de)(de)(de)(de)电(dian)(dian)(dian)网,在单位功率因素变为逆变状态(tai)时,交流(liu)(liu)(liu)(liu)侧(ce)的(de)(de)(de)(de)(de)主(zhu)电(dian)(dian)(dian)路(lu)电(dian)(dian)(dian)...
2018 - 01 - 18
能量回(hui)馈(kui)装置供应(ying)(ying)商提(ti)醒您(nin):自(zi)“十三五”规(gui)划(hua)实施以(yi)(yi)来(lai),变(bian)(bian)频(pin)(pin)器(qi)(qi)产(chan)(chan)(chan)业(ye)(ye)(ye)逐(zhu)渐成(cheng)为了节(jie)(jie)(jie)能减排桥头堡,工业(ye)(ye)(ye)生产(chan)(chan)(chan)过程中变(bian)(bian)频(pin)(pin)器(qi)(qi)的应(ying)(ying)用(yong)(yong)(yong)越(yue)来(lai)越(yue)多,对提(ti)高工控(kong)装备的现(xian)代化(hua)(hua)和自(zi)动化(hua)(hua)水平以(yi)(yi)及提(ti)高企(qi)业(ye)(ye)(ye)的经济效益都有积极作用(yong)(yong)(yong)。  国(guo)产(chan)(chan)(chan)变(bian)(bian)频(pin)(pin)器(qi)(qi)行(xing)业(ye)(ye)(ye)正从(cong)以(yi)(yi)往单纯的提(ti)供产(chan)(chan)(chan)品(pin)开(kai)始(shi)转(zhuan)(zhuan)变(bian)(bian)为为用(yong)(yong)(yong)户提(ti)供系统化(hua)(hua)的解决(jue)方案,也从(cong)高端(duan)(duan)产(chan)(chan)(chan)品(pin)进口转(zhuan)(zhuan)变(bian)(bian)为国(guo)内(nei)品(pin)牌迅速崛起。除了走高端(duan)(duan)路线,节(jie)(jie)(jie)能减排的推广也是(shi)推动我国(guo)变(bian)(bian)频(pin)(pin)器(qi)(qi)行(xing)业(ye)(ye)(ye)发展的动力,变(bian)(bian)频(pin)(pin)技术正处于从(cong)调速到节(jie)(jie)(jie)能的转(zhuan)(zhuan)变(bian)(bian)过程。  关注变(bian)(bian)频(pin)(pin)器(qi)(qi)市场的一(yi)位行(xing)业(ye)(ye)(ye)专家表示,国(guo)产(chan)(chan)(chan)变(bian)(bian)频(pin)(pin)器(qi)(qi)的使用(yong)(yong)(yong)越(yue)来(lai)越(yue)广泛,单拿(na)矿用(yong)(yong)(yong)变(bian)(bian)频(pin)(pin)器(qi)(qi)来(lai)说,矿用(yong)(yong)(yong)变(bian)(bian)频(pin)(pin)提(ti)升系统在(zai)很(hen)多情况下(xia)是(shi)煤炭生产(chan)(chan)(chan)的必(bi)需设备,不会太受经济环境以(yi)(yi)及客户短(duan)期支(zhi)付能力的影响(xiang)。国(guo)内(nei)领先企(qi)业(ye)(ye)(ye)的变(bian)(bian)频(pin)(pin)产(chan)(chan)(chan)品(pin)具(ju)有优越(yue)的性价比,完全(quan)可以(yi)(yi)代替(ti)国(guo)外一(yi)些高端(duan)(duan)产(chan)(chan)(chan)品(pin)。随着煤炭企(qi)业(ye)(ye)(ye)的成(cheng)本压力加大,采购国(guo)内(nei)产(chan)(chan)(chan)品(pin)的可能性反而会更高。  数据统计,国(guo)内(nei)变(bian)(bian)频(pin)(pin)器(qi)(qi)市场增长率一(yi)直保持在(zai)12%-15%,市场潜(qian)在(zai)空间大约(yue)...
2018 - 01 - 17
从过去十几年电(dian)(dian)(dian)(dian)(dian)(dian)梯发(fa)(fa)展历程来(lai)看(kan),我国电(dian)(dian)(dian)(dian)(dian)(dian)梯产量一(yi)直保(bao)持(chi)稳步(bu)增(zeng)长(zhang),预计2018年增(zeng)长(zhang)速度在(zai)(zai)15%-20%之(zhi)间。随着技术的不断发(fa)(fa)展和(he)我国节能(neng)减(jian)排政(zheng)策的不断落实,电(dian)(dian)(dian)(dian)(dian)(dian)梯节能(neng)与(yu)(yu)安(an)全(quan)已经成为电(dian)(dian)(dian)(dian)(dian)(dian)梯发(fa)(fa)展的方(fang)向(xiang),为配合《特种设(she)(she)备(bei)(bei)安(an)全(quan)与(yu)(yu)节能(neng)事业发(fa)(fa)展“十三五(wu)”规(gui)划(hua)》的实施,各地方(fang)政(zheng)府纷纷出台电(dian)(dian)(dian)(dian)(dian)(dian)梯更(geng)换或(huo)改造计划(hua),将到期需更(geng)换的电(dian)(dian)(dian)(dian)(dian)(dian)梯通过更(geng)换或(huo)技术改造替换成节能(neng)电(dian)(dian)(dian)(dian)(dian)(dian)梯。  电(dian)(dian)(dian)(dian)(dian)(dian)梯在(zai)(zai)运行(xing)(xing)过程中安(an)全(quan)是最重要的,备(bei)(bei)用电(dian)(dian)(dian)(dian)(dian)(dian)系(xi)统的使用尤为关键,它可以(yi)确保(bao)电(dian)(dian)(dian)(dian)(dian)(dian)梯在(zai)(zai)停电(dian)(dian)(dian)(dian)(dian)(dian)以(yi)及突(tu)发(fa)(fa)状况时候可以(yi)正常运行(xing)(xing),根据(ju)《居住区供配电(dian)(dian)(dian)(dian)(dian)(dian)设(she)(she)施建设(she)(she)标准》规(gui)定,多层(ceng)(ceng)高层(ceng)(ceng)的住宅用电(dian)(dian)(dian)(dian)(dian)(dian)属于(yu)一(yi)级负荷区域,用电(dian)(dian)(dian)(dian)(dian)(dian)单位(wei)应(ying)自(zi)备(bei)(bei)应(ying)急电(dian)(dian)(dian)(dian)(dian)(dian)源。但高层(ceng)(ceng)建筑刚开(kai)始兴建时,对这块要求不够(gou)严格,很多高层(ceng)(ceng)住宅小区很少有备(bei)(bei)用电(dian)(dian)(dian)(dian)(dian)(dian)源或(huo)设(she)(she)计双回路供电(dian)(dian)(dian)(dian)(dian)(dian),也少有配备(bei)(bei)自(zi)用发(fa)(fa)电(dian)(dian)(dian)(dian)(dian)(dian)机(ji)的,双线供电(dian)(dian)(dian)(dian)(dian)(dian)设(she)(she)施不多。“没有备(bei)(bei)用电(dian)(dian)(dian)(dian)(dian)(dian)源,电(dian)(dian)(dian)(dian)(dian)(dian)梯运行(xing)(xing)会(hui)面临较大的安(an)全(quan)隐患。”业内(nei)人(ren)士表示,在(zai)(zai)停电(dian)(dian)(dian)(dian)(dian)(dian)情况下(xia)启动备(bei)(bei)用电(dian)(dian)(dian)(dian)(dian)(dian)源,能(neng)够(gou)使电(dian)(dian)(dian)(dian)(dian)(dian)梯恢复正常运行(xing)(xing)状态,而...
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