在考(kao)虑非(fei)正(zheng)(zheng)弦(xian)电(dian)(dian)(dian)(dian)源(yuan)(yuan)特性(xing)对变(bian)频电(dian)(dian)(dian)(dian)机(ji)(ji)(ji)(ji)(ji)的(de)(de)(de)(de)绝缘(yuan)结(jie)(jie)构(gou)(gou)、振动(dong)(dong)、噪(zao)(zao)(zao)声(sheng)(sheng)和(he)(he)(he)冷(leng)(leng)(leng)却(que)方(fang)式(shi)(shi)的(de)(de)(de)(de)影(ying)响时(shi)，需(xu)要(yao)注(zhu)意以(yi)下(xia)几点：1.绝缘(yuan)结(jie)(jie)构(gou)(gou)：非(fei)正(zheng)(zheng)弦(xian)电(dian)(dian)(dian)(dian)源(yuan)(yuan)会(hui)(hui)引(yin)(yin)入更高(gao)(gao)的(de)(de)(de)(de)谐波(bo)分(fen)量和(he)(he)(he)峰值电(dian)(dian)(dian)(dian)压(ya)，可(ke)(ke)能(neng)(neng)对电(dian)(dian)(dian)(dian)机(ji)(ji)(ji)(ji)(ji)的(de)(de)(de)(de)绝缘(yuan)结(jie)(jie)构(gou)(gou)造成额(e)外的(de)(de)(de)(de)压(ya)力。因(yin)此，需(xu)要(yao)确(que)保(bao)电(dian)(dian)(dian)(dian)机(ji)(ji)(ji)(ji)(ji)的(de)(de)(de)(de)绝缘(yuan)材(cai)料和(he)(he)(he)结(jie)(jie)构(gou)(gou)能(neng)(neng)够承受这(zhei)(zhei)些额(e)外的(de)(de)(de)(de)压(ya)力，以(yi)防(fang)止绝缘(yuan)击穿和(he)(he)(he)故(gu)障。2.振动(dong)(dong)：非(fei)正(zheng)(zheng)弦(xian)电(dian)(dian)(dian)(dian)源(yuan)(yuan)可(ke)(ke)能(neng)(neng)引(yin)(yin)入更高(gao)(gao)的(de)(de)(de)(de)电(dian)(dian)(dian)(dian)机(ji)(ji)(ji)(ji)(ji)振动(dong)(dong)，这(zhei)(zhei)可(ke)(ke)能(neng)(neng)会(hui)(hui)对电(dian)(dian)(dian)(dian)机(ji)(ji)(ji)(ji)(ji)的(de)(de)(de)(de)运行(xing)稳定性(xing)和(he)(he)(he)寿命产生(sheng)负面(mian)影(ying)响。因(yin)此，需(xu)要(yao)采(cai)取(qu)措(cuo)(cuo)施(shi)来减(jian)少振动(dong)(dong)，如使用减(jian)振装置或(huo)优化电(dian)(dian)(dian)(dian)机(ji)(ji)(ji)(ji)(ji)的(de)(de)(de)(de)设计。3.噪(zao)(zao)(zao)声(sheng)(sheng)：非(fei)正(zheng)(zheng)弦(xian)电(dian)(dian)(dian)(dian)源(yuan)(yuan)可(ke)(ke)能(neng)(neng)会(hui)(hui)增加电(dian)(dian)(dian)(dian)机(ji)(ji)(ji)(ji)(ji)的(de)(de)(de)(de)噪(zao)(zao)(zao)声(sheng)(sheng)水(shui)平，这(zhei)(zhei)可(ke)(ke)能(neng)(neng)对周围环境和(he)(he)(he)人(ren)员造成不良影(ying)响。因(yin)此，需(xu)要(yao)采(cai)取(qu)措(cuo)(cuo)施(shi)来降低噪(zao)(zao)(zao)声(sheng)(sheng)水(shui)平，如使用隔音材(cai)料或(huo)优化电(dian)(dian)(dian)(dian)机(ji)(ji)(ji)(ji)(ji)的(de)(de)(de)(de)设计。4.冷(leng)(leng)(leng)却(que)方(fang)式(shi)(shi)：非(fei)正(zheng)(zheng)弦(xian)电(dian)(dian)(dian)(dian)源(yuan)(yuan)可(ke)(ke)能(neng)(neng)会(hui)(hui)导致电(dian)(dian)(dian)(dian)机(ji)(ji)(ji)(ji)(ji)产生(sheng)更多的(de)(de)(de)(de)热(re)量，因(yin)此需(xu)要(yao)确(que)保(bao)电(dian)(dian)(dian)(dian)机(ji)(ji)(ji)(ji)(ji)的(de)(de)(de)(de)冷(leng)(leng)(leng)却(que)系统能(neng)(neng)够有效(xiao)(xiao)地将热(re)量散发出去，以(yi)保(bao)持电(dian)(dian)(dian)(dian)机(ji)(ji)(ji)(ji)(ji)的(de)(de)(de)(de)正(zheng)(zheng)常(chang)运行(xing)温度(du)。可(ke)(ke)以(yi)考(kao)虑增加散热(re)器的(de)(de)(de)(de)面(mian)积或(huo)采(cai)用更高(gao)(gao)效(xiao)(xiao)的(de)(de)(de)(de)冷(leng)(leng)(leng)却(que)方(fang)式(shi)(shi)，如液冷(leng)(leng)(leng)系统。总之，考(kao)虑非(fei)正(zheng)(zheng)弦(xian)电(dian)(dian)(dian)(dian)源(yuan)(yuan)特性(xing)对变(bian)频电(dian)(dian)(dian)(dian)机(ji)(ji)(ji)(ji)(ji)的(de)(de)(de)(de)影(ying)响时(shi)，需(xu)要(yao)注(zhu)意绝缘(yuan)结(jie)(jie)构(gou)(gou)、振动(dong)(dong)、噪(zao)(zao)(zao)声(sheng)(sheng)和(he)(he)(he)冷(leng)(leng)(leng)却(que)方(fang)式(shi)(shi)等方(fang)面(mian)的(de)(de)(de)(de)问题，并(bing)采(cai)取(qu)相应的(de)(de)(de)(de)措(cuo)(cuo)施(shi)来保(bao)证电(dian)(dian)(dian)(dian)机(ji)(ji)(ji)(ji)(ji)的(de)(de)(de)(de)正(zheng)(zheng)常(chang)运行(xing)和(he)(he)(he)可(ke)(ke)靠(kao)性(xing)。变(bian)频电(dian)(dian)(dian)(dian)机(ji)(ji)(ji)(ji)(ji)可(ke)(ke)以(yi)提高(gao)(gao)电(dian)(dian)(dian)(dian)机(ji)(ji)(ji)(ji)(ji)的(de)(de)(de)(de)效(xiao)(xiao)率和(he)(he)(he)节能(neng)(neng)。浙江(jiang)自动(dong)(dong)化变(bian)频电(dian)(dian)(dian)(dian)机(ji)(ji)(ji)(ji)(ji)

HG500系列永磁电(dian)机(ji)使用(yong)驱(qu)动(dong)器具(ju)有(you)(you)(you)以(yi)下特(te)点(dian)：1.适(shi)用(yong)于速(su)(su)(su)度(du)开环和(he)(he)闭环控制(zhi)的(de)(de)工业(ye)机(ji)械的(de)(de)调速(su)(su)(su)和(he)(he)风机(ji)、水泵的(de)(de)高效节能(neng)(neng)场合(he)。2.功(gong)(gong)率范围广(guang)，可(ke)适(shi)用(yong)于0.75~630kW的(de)(de)电(dian)机(ji)。3.采(cai)用(yong)速(su)(su)(su)度(du)传感器矢量驱(qu)动(dong)控制(zhi)技术(shu)(SVC)，能(neng)(neng)够实现精确的(de)(de)速(su)(su)(su)度(du)控制(zhi)。4.支持(chi)速(su)(su)(su)度(du)和(he)(he)转矩两(liang)种输(shu)(shu)出(chu)(chu)形式(shi)(shi)，可(ke)根据实际(ji)需(xu)求选(xuan)择合(he)适(shi)的(de)(de)控制(zhi)方(fang)式(shi)(shi)。5.支持(chi)扩展功(gong)(gong)能(neng)(neng)，可(ke)以(yi)通过(guo)安装I/O扩展卡(ka)和(he)(he)通讯总线扩展卡(ka)来(lai)满(man)足(zu)不同的(de)(de)应用(yong)需(xu)求。6.具(ju)有(you)(you)(you)多种保(bao)(bao)(bao)护(hu)功(gong)(gong)能(neng)(neng)，包括短路保(bao)(bao)(bao)护(hu)、过(guo)流(liu)保(bao)(bao)(bao)护(hu)、过(guo)压保(bao)(bao)(bao)护(hu)、欠(qian)压保(bao)(bao)(bao)护(hu)、输(shu)(shu)入输(shu)(shu)出(chu)(chu)缺(que)相保(bao)(bao)(bao)护(hu)、变频器过(guo)载保(bao)(bao)(bao)护(hu)、电(dian)机(ji)过(guo)载保(bao)(bao)(bao)护(hu)、驱(qu)动(dong)器过(guo)热保(bao)(bao)(bao)护(hu)等，能(neng)(neng)够有(you)(you)(you)效保(bao)(bao)(bao)护(hu)电(dian)机(ji)和(he)(he)驱(qu)动(dong)器的(de)(de)安全运行。7.外(wai)观美观，具(ju)有(you)(you)(you)高性能(neng)(neng)和(he)(he)功(gong)(gong)能(neng)(neng)强大的(de)(de)特(te)点(dian)。本地(di)变频电(dian)机(ji)公司变频电(dian)机(ji)具(ju)有(you)(you)(you)较好的(de)(de)自保(bao)(bao)(bao)护(hu)功(gong)(gong)能(neng)(neng)，能(neng)(neng)够自动(dong)检测和(he)(he)保(bao)(bao)(bao)护(hu)电(dian)机(ji)的(de)(de)工作状态。

上海(hai)海(hai)光电(dian)(dian)(dian)(dian)(dian)机(ji)(ji)有限公(gong)司变(bian)(bian)频负责(ze)将电(dian)(dian)(dian)(dian)(dian)能(neng)转化为机(ji)(ji)械能(neng)。根(gen)据不(bu)同的(de)(de)应用(yong)需(xu)(xu)求(qiu)，电(dian)(dian)(dian)(dian)(dian)动(dong)机(ji)(ji)可(ke)以(yi)是(shi)交流电(dian)(dian)(dian)(dian)(dian)动(dong)机(ji)(ji)或直流电(dian)(dian)(dian)(dian)(dian)动(dong)机(ji)(ji)。变(bian)(bian)频器(qi)(qi)是(shi)变(bian)(bian)频电(dian)(dian)(dian)(dian)(dian)机(ji)(ji)的(de)(de)控制部分，主(zhu)要(yao)起(qi)到调节(jie)机(ji)(ji)械的(de)(de)频率与作用(yong)。它可(ke)以(yi)根(gen)据需(xu)(xu)要(yao)改(gai)变(bian)(bian)电(dian)(dian)(dian)(dian)(dian)源的(de)(de)频率，从而改(gai)变(bian)(bian)电(dian)(dian)(dian)(dian)(dian)动(dong)机(ji)(ji)的(de)(de)转速(su)(su)和输(shu)(shu)出功(gong)率。变(bian)(bian)频器(qi)(qi)通过(guo)调节(jie)电(dian)(dian)(dian)(dian)(dian)源的(de)(de)频率和电(dian)(dian)(dian)(dian)(dian)压，控制电(dian)(dian)(dian)(dian)(dian)动(dong)机(ji)(ji)的(de)(de)转速(su)(su)和负载。变(bian)(bian)频电(dian)(dian)(dian)(dian)(dian)机(ji)(ji)的(de)(de)优(you)点是(shi)可(ke)以(yi)根(gen)据实际需(xu)(xu)求(qiu)灵活调节(jie)转速(su)(su)和输(shu)(shu)出功(gong)率，提高能(neng)效和节(jie)能(neng)的(de)(de)效果。它广泛应用(yong)于工业生产细节(jie)中及(ji)家(jia)用(yong)电(dian)(dian)(dian)(dian)(dian)器(qi)(qi)里(li)面。

上海(hai)海(hai)光电(dian)(dian)机有限公司(si)HG500系列(lie)永磁(ci)电(dian)(dian)机使(shi)用(yong)驱动(dong)器适(shi)(shi)用(yong)于速(su)度(du)(du)开环\闭环控制(zhi)(zhi)的(de)工业机械的(de)调速(su)和风机、水(shui)泵(beng)(beng)的(de)高效节能(neng)场合(功率为0.75~630kW)。HG500系列(lie)永磁(ci)电(dian)(dian)机使(shi)用(yong)驱动(dong)器具(ju)(ju)有以下特(te)点：1.适(shi)(shi)用(yong)于速(su)度(du)(du)开环和闭环控制(zhi)(zhi)的(de)工业机械的(de)调速(su)和风机、水(shui)泵(beng)(beng)的(de)高效节能(neng)场合。2.功率范围广，可适(shi)(shi)用(yong)于0.75~630kW的(de)电(dian)(dian)机。3.采(cai)用(yong)速(su)度(du)(du)传感器矢量驱动(dong)控制(zhi)(zhi)技术(shu)(SVC)，能(neng)够实现精确的(de)速(su)度(du)(du)控制(zhi)(zhi)。4.支持(chi)速(su)度(du)(du)和转(zhuan)矩(ju)两种输(shu)出(chu)形式(shi)，可根据实际需(xu)求(qiu)选择合适(shi)(shi)的(de)控制(zhi)(zhi)方(fang)式(shi)。5.支持(chi)扩(kuo)展(zhan)(zhan)功能(neng)，可以通过(guo)安(an)装I/O扩(kuo)展(zhan)(zhan)卡(ka)(ka)和通讯总线扩(kuo)展(zhan)(zhan)卡(ka)(ka)来满足不同的(de)应用(yong)需(xu)求(qiu)。6.具(ju)(ju)有多种保(bao)(bao)(bao)护(hu)(hu)功能(neng)，包括短路保(bao)(bao)(bao)护(hu)(hu)、过(guo)流保(bao)(bao)(bao)护(hu)(hu)、过(guo)压(ya)保(bao)(bao)(bao)护(hu)(hu)、欠压(ya)保(bao)(bao)(bao)护(hu)(hu)、输(shu)入输(shu)出(chu)缺相保(bao)(bao)(bao)护(hu)(hu)、变频(pin)器过(guo)载保(bao)(bao)(bao)护(hu)(hu)、电(dian)(dian)机过(guo)载保(bao)(bao)(bao)护(hu)(hu)、驱动(dong)器过(guo)热保(bao)(bao)(bao)护(hu)(hu)等(deng)，能(neng)够有效保(bao)(bao)(bao)护(hu)(hu)电(dian)(dian)机和驱动(dong)器的(de)安(an)全运行。7.外观美观，具(ju)(ju)有高性能(neng)和功能(neng)强大的(de)特(te)点。变频(pin)电(dian)(dian)机可以实现多种运行改进。

直(zhi)接控(kong)(kong)制(zhi)电(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)机(ji)(ji)的(de)(de)(de)转速(su)(su)。在(zai)(zai)每一(yi)(yi)(yi)(yi)个(ge)基本频(pin)率(lv)(lv)开始时(shi),脉(mai)冲极性(xing)(xing)从(cong)正(zheng)到(dao)负或从(cong)负到(dao)正(zheng),在(zai)(zai)这一(yi)(yi)(yi)(yi)时(shi)刻,电(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)机(ji)(ji)绝(jue)缘承受着一(yi)(yi)(yi)(yi)个(ge)二(er)倍(bei)于(yu)(yu)尖(jian)峰电(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)压(ya)值(zhi)的(de)(de)(de)全幅电(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)压(ya)。另外,在(zai)(zai)一(yi)(yi)(yi)(yi)个(ge)散嵌绕(rao)组的(de)(de)(de)三相(xiang)电(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)机(ji)(ji)中(zhong),不同相(xiang)的(de)(de)(de)相(xiang)邻(lin)二(er)匝(za)(za)之间(jian)(jian)的(de)(de)(de)电(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)压(ya)极性(xing)(xing)可能(neng)会不同,全幅电(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)压(ya)的(de)(de)(de)跃变(bian)(bian)(bian)也有(you)可能(neng)达到(dao)二(er)倍(bei)于(yu)(yu)一(yi)(yi)(yi)(yi)个(ge)尖(jian)峰电(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)压(ya)值(zhi)。据测(ce)试,PWM变(bian)(bian)(bian)频(pin)器输出的(de)(de)(de)电(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)压(ya)波形(xing),在(zai)(zai)380/480V交流(liu)(liu)系统中(zhong),在(zai)(zai)电(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)机(ji)(ji)端测(ce)得的(de)(de)(de)尖(jian)峰电(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)压(ya)值(zhi)为(wei)～～。非常明显,在(zai)(zai)此(ci)全幅电(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)压(ya)作(zuo)(zuo)用下,绕(rao)组匝(za)(za)间(jian)(jian)产(chan)生(sheng)表(biao)面局(ju)部(bu)放电(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)。由于(yu)(yu)电(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)离作(zuo)(zuo)用,在(zai)(zai)气隙中(zhong)又(you)会产(chan)生(sheng)空间(jian)(jian)电(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)荷,从(cong)而形(xing)成(cheng)一(yi)(yi)(yi)(yi)个(ge)与外加(jia)(jia)电(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)场反向的(de)(de)(de)感应(ying)电(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)场。当电(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)压(ya)极性(xing)(xing)改变(bian)(bian)(bian)时(shi),这个(ge)反向电(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)场与外加(jia)(jia)电(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)场方向一(yi)(yi)(yi)(yi)致(zhi)。这样(yang),一(yi)(yi)(yi)(yi)个(ge)更(geng)高(gao)(gao)的(de)(de)(de)电(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)场产(chan)生(sheng),它会导致(zhi)局(ju)部(bu)放电(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)的(de)(de)(de)数量(liang)增(zeng)加(jia)(jia),**终引起(qi)击(ji)穿。测(ce)试表(biao)明,作(zuo)(zuo)用于(yu)(yu)这些匝(za)(za)间(jian)(jian)绝(jue)缘的(de)(de)(de)电(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)冲击(ji)大(da)小取决于(yu)(yu)导线(xian)特定的(de)(de)(de)性(xing)(xing)能(neng)和PWM驱(qu)动电(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)流(liu)(liu)的(de)(de)(de)上升(sheng)时(shi)间(jian)(jian)。若上升(sheng)时(shi)间(jian)(jian)小于(yu)(yu)μs,则(ze)将有(you)80%的(de)(de)(de)电(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)势(shi)加(jia)(jia)在(zai)(zai)绕(rao)组的(de)(de)(de)前二(er)匝(za)(za)上,即上升(sheng)时(shi)间(jian)(jian)越(yue)短,电(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)冲击(ji)就(jiu)(jiu)越(yue)大(da),匝(za)(za)间(jian)(jian)绝(jue)缘的(de)(de)(de)寿命(ming)就(jiu)(jiu)越(yue)短[1]。。当频(pin)率(lv)(lv)增(zeng)加(jia)(jia)时(shi),局(ju)部(bu)放电(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)随(sui)之增(zeng)加(jia)(jia),结(jie)果产(chan)生(sheng)热(re)量(liang),这些热(re)量(liang)则(ze)引起(qi)更(geng)大(da)的(de)(de)(de)漏电(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)流(liu)(liu),从(cong)而使Ni上升(sheng)更(geng)快,即电(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)机(ji)(ji)温(wen)升(sheng)上升(sheng),绝(jue)缘加(jia)(jia)速(su)(su)老化(hua)。总之,在(zai)(zai)变(bian)(bian)(bian)频(pin)电(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)机(ji)(ji)中(zhong)正(zheng)是(shi)由于(yu)(yu)上述局(ju)部(bu)放电(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)、电(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)介质加(jia)(jia)热(re)、空间(jian)(jian)电(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)荷感应(ying)等因素(su)的(de)(de)(de)共(gong)同作(zuo)(zuo)用引起(qi)电(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)磁线(xian)的(de)(de)(de)过早损坏。变(bian)(bian)(bian)频(pin)电(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)机(ji)(ji)具有(you)较(jiao)高(gao)(gao)的(de)(de)(de)智能(neng)化(hua)程度，能(neng)够(gou)实(shi)现(xian)远程监控(kong)(kong)和控(kong)(kong)制(zhi)，提高(gao)(gao)管理效率(lv)(lv)。江(jiang)苏(su)常规变(bian)(bian)(bian)频(pin)电(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)机(ji)(ji)多少钱

变频电机可以实现多种(zhong)控(kong)制(zhi)策略(lve)。浙江(jiang)自动化变频电机

变(bian)频(pin)(pin)(pin)电(dian)机(ji)(ji)(ji)的(de)(de)(de)(de)分析(xi)主要(yao)包括以(yi)(yi)(yi)(yi)下(xia)几个方面(mian)：转(zhuan)(zhuan)速(su)调(diao)节(jie)范(fan)围(wei)：变(bian)频(pin)(pin)(pin)电(dian)机(ji)(ji)(ji)可以(yi)(yi)(yi)(yi)实现的(de)(de)(de)(de)转(zhuan)(zhuan)速(su)调(diao)节(jie)范(fan)围(wei)，通(tong)(tong)常可以(yi)(yi)(yi)(yi)在(zai)额定(ding)转(zhuan)(zhuan)速(su)的(de)(de)(de)(de)10%至(zhi)200%之(zhi)间进行调(diao)节(jie)。这(zhei)使(shi)得变(bian)频(pin)(pin)(pin)电(dian)机(ji)(ji)(ji)在(zai)不(bu)同的(de)(de)(de)(de)工况下(xia)能(neng)够(gou)灵活地适应转(zhuan)(zhuan)速(su)要(yao)求(qiu)。能(neng)效提升：由于(yu)变(bian)频(pin)(pin)(pin)电(dian)机(ji)(ji)(ji)可以(yi)(yi)(yi)(yi)根(gen)据负载需求(qiu)调(diao)整(zheng)转(zhuan)(zhuan)速(su)，因此可以(yi)(yi)(yi)(yi)避免电(dian)机(ji)(ji)(ji)在(zai)低负载时的(de)(de)(de)(de)能(neng)量(liang)浪费。此外，变(bian)频(pin)(pin)(pin)电(dian)机(ji)(ji)(ji)还可以(yi)(yi)(yi)(yi)通(tong)(tong)过(guo)调(diao)整(zheng)电(dian)机(ji)(ji)(ji)的(de)(de)(de)(de)功(gong)率因数来提高(gao)(gao)能(neng)效。转(zhuan)(zhuan)矩控制：变(bian)频(pin)(pin)(pin)电(dian)机(ji)(ji)(ji)可以(yi)(yi)(yi)(yi)通(tong)(tong)过(guo)变(bian)频(pin)(pin)(pin)器调(diao)整(zheng)电(dian)机(ji)(ji)(ji)的(de)(de)(de)(de)输出转(zhuan)(zhuan)矩。这(zhei)使(shi)得变(bian)频(pin)(pin)(pin)电(dian)机(ji)(ji)(ji)在(zai)启(qi)动(dong)(dong)、加速(su)和(he)(he)减速(su)过(guo)程(cheng)中能(neng)够(gou)提供更高(gao)(gao)的(de)(de)(de)(de)转(zhuan)(zhuan)矩，从而提高(gao)(gao)了电(dian)机(ji)(ji)(ji)的(de)(de)(de)(de)动(dong)(dong)态性能(neng)。噪音和(he)(he)振动(dong)(dong)控制：由于(yu)变(bian)频(pin)(pin)(pin)电(dian)机(ji)(ji)(ji)可以(yi)(yi)(yi)(yi)实现平稳的(de)(de)(de)(de)启(qi)动(dong)(dong)和(he)(he)停止，因此可以(yi)(yi)(yi)(yi)减少电(dian)机(ji)(ji)(ji)的(de)(de)(de)(de)噪音和(he)(he)振动(dong)(dong)。浙江自(zi)动(dong)(dong)化变(bian)频(pin)(pin)(pin)电(dian)机(ji)(ji)(ji)