本文详细介绍了基于嵌入式系统的网络变频器设计过程。本文整体上是分三部分来介绍:1.SVPWM 变频器的硬件设计与实现。利用智能功率模块PM20CSJ060 构成系统主电路中的逆变电路，以ARM 单片机LPC2292 为系统控制电路的控制核心；2.以太网接口的硬件开发。利用网卡芯片RTL8019AS 完成以太网硬件接口电路;3.变频器的软件开发。完成了基于μC/OS-II 的系统整体软件的开发。关键字: 变频器；嵌入式；以太网；Abstract: The article introduces in detail the process of designing the hardware and software of the network inverter based on embedded system. This paper introduces the process of design in the following three parts: 1. The design and realization of the hardware of SVPWM inverter. IPM PM20CSJ060 is used to form chopping circuit of main circuit, ARM single chip computer LPC2292 is regarded as control center of the system control circuit. 2. The development of hardware of Ethernet interface. 3. The development of software of inverter. The development of the whole system software based on μC/OS-II is completed.Keywords: Inverter; Embedded; Ethernet