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In digital substations, which enable real-time data exchange of voltage, current, and status information among IEDs via SV and GOOSE protocols, there is a growing trend of substations into process and station levels. Interface IEDs, such as SCUs and MUs, traditionally responsible for managing binary and analog data with primary equipment, are now installed directly in the yard. This shift offers multiple benefits, including reduced cabling, lower civil infrastructure costs, simplified installation, and improved safety, especially when using fiber optic technology.

SIFANG digital substation solution provides flexible data acquisition methods—via hardwire, GOOSE, or SV—and supports diverse time synchronization techniques, including SNTP, IRIG-B, and IEEE1588. The solution also includes a comprehensive range of protection relays, BCUs, network analyzer and NDMEs.