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SIPROTEC goes Process Bus

8/24/2014

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Issue 08/2014
 We are bringing even more reliability and simplicity to the world of protection with process bus technology from SIPROTEC.  In this issue of EA Notes we've included an overview of process bus technology and how we've intergrated it with SIPROTEC, as well as the profile of our merging unit 7SC805.
Get these new downloads for a quick and detailed overview. 
SIPROTEC goes Process Bus
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Measurement of voltages and currents is necessary for protection. Currently sensors, delivering analog values, are directly wired to the protection devices. Since the relays in a substation are normally situated in a central building this wiring has to cover a distance. In an EMC critical area like a high voltage substation this demands high power signals resulting in big copper cables. For conventional instrument transformers this is proven technology.
Download profile
SIPROTEC 7SC805 Merging Unit
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SIPROTEC 7SC805 is a KEMA-certified stand alone merging unit designed according to the standard IEC 61850-9-2 process bus. The Merging Unit SIPROTEC 7SC805 digitizes the output of conventional instrument transformers synchronized to a time synchronization signal. The device converts the analog values to sampled measured value telegrams according to the IEC 61850-9-2 standard.
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