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Switchgear Optimization Using IEC 61850-9-2 and Non-Conventional Measurements

Driven by the new standard, substation communication bus architectures based on the Ethernet technology started to replace existing substation bus solutions based on the serial communication. The IEC 61850 standard defines the topologies and architectures to be employed in communication of devices in a substation automation system. The standard also includes the related system requirements and the underlying data model to be obtained the required substation functions. The standardized data modeling of substation functions including the communication interfaces pave the way to open infrastructures and interoperability of devices. The unique features of the IEC 61850 standard include self-describing intelligent electronic devices (IEDs) and a standardized Substation Configuration Language (SCL) which allows system engineering in a multi-vendor system where different IEDs are interoperable with each other.