Switchgear Testing

Intelligent switchgear opening and closing time operation acc to IEC 61850

For intelligent switchgear, the opening time shall be the time from the reception of the first message containing the trip command via the interface according to the IEC61850 series (GOOSE message), the circuit-breaker being in the closed position, to the instant when the arcing contacts have separated in all poles.
For intelligent switchgear, the closing time shall be the time from the reception of the first message containing the close command via the interface according to the IEC61850 series
(GOOSE message), the circuit-breaker being in the open
position, to the instant when the contacts touch in all poles as shown in figure.
In the case of time measurements, coherence shall be checked between the position indication via the serial interface(see figure) in the secondary system and the real position of the intelligent switchgear.

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Source
IEC 62271-3

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