IEC 61850 is an international standard that defines the communication protocols and data models for intelligent electronic devices (IEDs) at electrical substations.
It is a vendor-neutral protocol that enables interoperability and integration of devices from different manufacturers. It also supports high-speed and reliable communication of generic object oriented substation events (GOOSE) over Ethernet networks, enabling high-performance protection, control, automation, and monitoring functions
The IEC 61850 requires the development of new dedicated tools, verifying that messages are correctly moving over Ethernet, replacing the previous test processes. Wiring, It is required an understanding of the unseen data flow in the network and the assurance that the protection systems will operate properly. Points previously hardwired are now broadcast onto an Ethernet network via the IEC 61850 messages, the so called GOOSEs.
The GOOSE (Generic Object Oriented Substation Event) replaces the wires between protective relays and other equipment. Each IEC 61850 GOOSE message encodes a large number of parameters such as status changes, releases or trips between IEDs, blockings, signals, etc.Therefore, the IEC 61850 standard demands new technical tools to make it easier for engineers and technicians involved in the commissioning and testing process, to check these new installations.
The IEC 61850 protocol offers several advantages over traditional communication methods in electrical substations:
These unique characteristics of IEC 61850 have a direct and positive impact on the cost to design, build, install, commission, and operate power systems. It enables fundamental improvements in the substation automation process that is simply not possible with a legacy approach, with or without TCP/IP-Ethernet.
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