以过程总线通信中跳闸命令传输为例，详细阐述了智能电子设备(IED)开发过程。

Taking the transmission of a trip signal of the process bus communication as an example, the process development of intelligent electronic device (IED) is elaborated.

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进而，总结了具有一般性的构建智能电子设备（IED）信息模型的三步建模方法，并以高压线路保护装置为例，介绍了该方法的具体应用。

Taking the transmission of a trip signal of the process bus communication as an example, the process development of intelligent electronic device(IED) is elaborated.

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在牵引变电所的设备中，智能电子设备(IED)得到了越来越广泛的使用。微机保护、故障探测、数字式变送器等已逐步在牵引变电所推广使用。

Among the devices used in a substation, intelligent electronic devices (IED) such as numerical relay protection, fault locator and digital electric transducer are getting popularized.

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