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This paper will discuss the use of automation functions (PLC functions) in a substation data concentrator/gateway. It will focus on the economical advantages, the technical challenges and will be concluded with a case study. As more and more substations are using IEDs for protection and measurement functions and the standard RTUs are becoming obsolete, intelligent data concentrators/gateways are entering the substation to be the link between the IEDs and the control center. This opens the possibility to completely replace the RTUs by placing the needed automation functions in the gateway.
| Optimizing Substation Automation |
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