变频器主要应用在哪些行业上?

2025-03-16 09:04:49
推荐回答(2个)
回答1:

变频器是应用变频技术与微电子技术,通过改变电机工作电源频率方式来控制交流电动机的电力控制设备。变频器主要由整流(交流变直流)、滤波、逆变(直流变交流)、制动单元、驱动单元、检测单元微处理单元等组成。通过改变电源的频率来达到改变电源电压的目的,根据电机的实际需要来提供其所需要的电源电压,进而达到节能、调速的目的,另外,变频器还有很多的保护功能,如过流、过压、过载保护等等。随着工业自动化程度的不断提高,变频器也得到了非常广泛的应用。 变频器主要用来给电动机调速度有两方面应用:
1、节能主要风机水泵(其他泵)类负载采用变频器比直接电网运行省电所节能省电比率达50%上具体节能效与电机运行工艺有关电机经常运行低速度时能大量节能电机始终满负荷运行也没有必要采用变频器
2、工艺要求冶金、石油、化工、纺织、电力、建材、煤炭等行业有工艺允许电机直接启动需要由变频器调速和协调工作才能满足工艺要求必须采用变频器比冶金行业需要采用变频器电机大概达70%
涉及行业有:冶金、石油、化工、纺织、电力、建材、煤炭、医药、食品、造纸、塑料、印刷、起重、线缆、供水、暖通、污水处理等行业机械配套:拉丝机、搅拌机、挤出机、分切机、卷绕机械、压缩机、风机泵类、研磨机、传送带、离心机及各种调速机械也包装机械、陶瓷机械、食品机械、玻璃机械、铝材设备等等

回答2:

变频器广泛应用于机械、石化、水泥、纺织、印染、造纸、塑胶、供水等行业。

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