| 变频器选型原则及步骤 |
| 添加时间：2017/7/13 16:53:51 浏览次数： |
| 1、专业人做专业事 本文来自www.eadianqi.com 1. Professional people do professional work in this article from www.eadianqi.com 变频器选型最好由厂家的技术工程师根据现场的实际情况来定，不仅选型准确，而且有利于后期的调试、安装及售后服务。 The selection of frequency converter is best determined by the technical engineer of the manufacturer according to the actual situation of the site, not only the selection accuracy, but also beneficial to the later debugging, installation and after-sales service. 2、负载设备功能要求 2. Function requirements of load equipment 根据现场实际的工况需求（启动转矩、响应速度、调速精度等），考虑是选择通用变频器、矢量变频器还是专用变频器，是选择G型机（重载）还是P型机（轻载）。 自动控制网3、交流电机工作电流 According to actual working condition of demand (starting torque and response speed, speed control precision, etc.), the consideration is to choose the general frequency converter, vector frequency converter, or special inverter, is to choose the type G machine (overload) or P type machine (light load). Automatic control network 3, ac motor working current 变频器选型要以电机的实际工作电流来确定功率。一般情况下，对于风机、泵类负载，电机的额定电流也可作为变频器选型的依据。对于电机有可能超负荷运行的情况，变频器选型通常需要放大一档使用。 The frequency converter selection is determined by the actual working current of the motor. Under normal conditions, the rated current of the motor can also be used as the basis for the selection of the frequency converter. In the case that the motor can be overworked, the frequency converter selection usually needs to be used in a first gear. 4、现场安装环境 自动控制网www.eadianqi.com版权所有 4. Site installation environment automatic control website www.eadianqi.com copyright 对于现场有金属导电性粉尘，或者工作环境温度过高时，变频器选型需要慎重。这时需要有专门的空间放置变频器，而且风扇散热功能要好，以此确定变频器选型是挂机、柜机还是工变频一体机。 In the case of metal conductive dust, or too high temperature in the working environment, the frequency converter selection needs to be measured. At this time, there needs to be a special space to place the frequency converter, and the fan cooling function is better, so as to determine whether the frequency converter type is the hang machine, the cabinet machine or the frequency conversion machine. |
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