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BS EN 61733-1-1996
Messrelais und Schutzeinrichtungen Schutz-Kommunikations-Schnittstelle. Allgemeines Measuring Relays and Protection Equipment-Protection Communication Interfacing Part 1:General (IEC 1733-1:1995) (S) Relais de mesure et dispositifs de protection. Interface de communication des protections. Generalites
适用范围：This part of IEC 1733 applies to standardisation of protection communication interfacing for digital protection equipment and related control and monitoring devices to be used in the same electrical installation. This standard gives general information about the functional levels in a hierarchical structure and about the typical organisation of devices communicating in an open system. In this standard, an electrical installation refers to substations for voltage levels above 1 kV and power stations. Communication outside a particular electrical installation (for example communication between a substation and a remote control centre or another substation) is outside the scope of this standard. Communication between dedicated devices provided by the same manufacturer, for example differential protection schemes, is outside the scope of this series of standards.
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