Category

Electrical testing monitoring

Electrical testing monitoring

MONITORING

Since its introduction, the IEC 61850 has established as the standard for substation automation, a new way of thinking that provides large improvements in costs and performance of electric power systems, being currently used in many substations worldwide.

The IEC 61850 represents the migration from the analog to the digital world to the substations. Accordingly, industry faces a period of transition, also noticing the effects of IEC 61850 in the traditional checking and monitoring procedures.

Dataset and GOOSE traffic monitoring tool for IEC 61850

The IEC 61850 requires new dedicated tools for monitoring that messages are correctly broadcasted over Ethernet, for understanding the unseen data which flows in the network for the protection system to operate properly, and make sure that there are no problems either in the IED, switching, or the interconnection cables, assuring the correct communication in the whole system.

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, which must be properly monitored during the commissioning and/or maintenance stages.

SMC recognized these challenges at the introduction of IEC 61850 in main utilities, and designed the GOOSEMeter One, a general purpose IEC 61850 GOOSE sniffer and dataset monitoring instrument, that meets and responds to the above mentioned applications and tasks, making them easy to be performed and more efficient.  This new “IEC 61850 multimeter” essentially replaces a voltmeter checking the continuity of a physical wire termination. The test instrument is also risk free to write or to change any configuration in the network, a risk that is very evident using a non-dedicated system such a computer. It is also a handheld device with an easy and dedicated control, which fits in reduced spaces, exactly as a classic multimeter does, to connect in the panels.

SMC continues to explore advanced applications and engineering improvements with the goal to continue pushing the benefits of IEC 61850.

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