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An intelligent electronic device for substation or distribution automation systems
An intelligent electronic device for substation or distribution automation systems
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机译：用于变电站或配电自动化系统的智能电子设备
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摘要
According to the present invention, an Intelligent Electronic Device (IED, 10) such as a digital relay or protection device for Substation or Distribution Automation is conceived in a modular way, comprising distinct modules dedicated to distinct tasks and having dedicated housings or casings, which modules are mechanically arranged on a common support and both visible and accessible from outside of the IED at all times. Modules for signal input (process interface modules 20 comprising a number of input terminals 21) and signal processing (process data handling modules 30 for evaluating signals in view of an automated protection function or as a communication gateway) define the basis of a modular arrangement that is not delimited by any prefabricated cover or cabinet and that allows for a quasi-unlimited flexibility regarding the number of modules and an easy replacement or extension of individual modules.
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