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Towards a standardisation for digital inputs and outputs of protection functions in IEC 60255 series

Protection and Control of Modern Power Systems 2022年第1期7卷 382-392页

作者： Volker Leitloff Hao Chen Dehui Chen Andrea Bonetti Lei Xu Ahmed Mohamed Carl Byman French Transmission Network Operator Rte ParisFrance State Grid Jiangsu Electric Power Co. Ltd.NanjingChina State Grid Electric Power Institute NanjingChina Royal Institute of Technology StockholmSweden NR Elec-tric Co. Ltd.NanjingChina Scottish and Southern Energy Network(SSEN) GlasgowUK Hitachi Energy VästeråsSweden.

Fully digitalized substations using IEC 61850 process bus are being introduced all over the *** utilities have featured pilot projects,demonstrators or even industrial scale deployment of these Fully digital Protection,Auto-mation and Control Systems(FD-PACS).Product standards such as profiles for Instrument Transformers have been developed and published(IEC 61869-6 and IEC 61869-9 by TC 38-Instrument Transformers).This raises the question about the standards for digitally interfaced protection *** 2016,IEC TC 95(Measuring relays and protection equipment)charged a working group to investigate this subject and to elaborate recommendations concerning requirements and testing of protection IED with digital inputs and outputs for protection standards(IEC 60255-1xx series).For protection functions,publisher/subscriber based data streams are supposed to comply with IEC 61850 and IEC 61869 *** holds in particular for Sampled Values(SV)representing energising inputs of the protection function,and is also applicable to Generic Object Oriented Substation Event(GOOSE)which can be used for input or output of protection *** attributes of published data depend on the operational and connection status of the function and the hosting *** addition,protection functions have to take into account the information regarding the time synchronisation of the received SV and other *** paper gives an overview of these features and the proposed way to take them into account in the IEC 60255 standard *** describes the progress of WG 2 and relates it to existing standardization documents.

关键词： Process bus Protection function digital interface SAMU LPIT Standards IEC 61850

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