摘 要：变频器作为交流调速传动装置，可完全取代直流调速和伺服驱动系统，其PWM技术逐渐拓展应用到各种电源装置、直流高压输电、新能源开发、轨道交通、加热设备、液压系统定位和调速、仪器仪表等领域。
关键词：以太网；主从控制；编码器；变频器；逆变器
Abstract: As an AC drive, the frequency converter can completely replace the DC drive and servo derive system, and its PWM technology is gradually expanded to be applied to all kinds of power supply devices. HV transmission, new energy development, rail transportation, heating equipment, hydraulic system positioning and speed reg
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