GE Multilin L30 Line Current Differential System 5-45
5 SETTINGS 5.2 PRODUCT SETUP
5
The table shows details about each scheme. Times are maximum values. Retransmitted messages can occur faster than
the times listed.
The configurable GOOSE feature is recommended for applications that require GOOSE data transfer between UR-series
IEDs and devices from other manufacturers. Fixed GOOSE is recommended for applications that require GOOSE data
transfer between UR-series IEDs.
IEC 61850 GOOSE messaging contains a number of configurable parameters, all of which must be correct to achieve the
successful transfer of data. It is critical that the configured datasets at the transmission and reception devices are an exact
match in terms of data structure, and that the GOOSE addresses and name strings match exactly. Manual configuration is
possible, but third-party substation configuration software may be used to automate the process. The EnerVista UR Setup
software can produce IEC 61850 ICD files and import IEC 61850 SCD files produced by a substation configurator (as out-
lined in the IEC 61850 appendix).
The following example illustrates the configuration required to transfer IEC 61850 data items between two devices. The
general steps required for transmission configuration are:
1. Configure the transmission dataset.
2. Configure the GOOSE service settings.
3. Configure the data.
The general steps required for reception configuration are:
1. Configure the reception dataset.
2. Configure the GOOSE service settings.
3. Configure the data.
Table 5–7: GOOSE RETRANSMISSION SCHEMES
SCHEME SQ NUM TIME FROM THE
EVENT
TIME BETWEEN
MESSAGES
COMMENT TIME ALLOWED TO LIVE
IN MESSAGE
Aggressive 0 0 ms 0 ms Event 2000 ms
1 4 ms 4 ms T1 2000 ms
2 8 ms 4 ms T1 2000 ms
3 16 ms 8 ms T2 Heartbeat * 4.5
4 Heartbeat Heartbeat T0 Heartbeat * 4.5
5 Heartbeat Heartbeat T0 Heartbeat * 4.5
Medium 0 0 ms 0 ms Event 2000 ms
1 16 ms 16 ms T1 2000 ms
2 32 ms 16 ms T1 2000 ms
3 64 ms 32 ms T2 Heartbeat * 4.5
4 Heartbeat Heartbeat T0 Heartbeat * 4.5
5 Heartbeat Heartbeat T0 Heartbeat * 4.5
Relaxed 0 0 ms 0 ms Event 2000 ms
1 100 ms 100 ms T1 2000 ms
2 200 ms 100 ms T1 2000 ms
3 700 ms 500 ms T2 Heartbeat * 4.5
4 Heartbeat Heartbeat T0 Heartbeat * 4.5
5 Heartbeat Heartbeat T0 Heartbeat * 4.5
Heartbeat 0 0 ms 0 ms Event 2000 ms
1 Heartbeat Heartbeat T1 2000 ms
2 Heartbeat Heartbeat T1 2000 ms
3 Heartbeat Heartbeat T2 Heartbeat * 4.5
4 Heartbeat Heartbeat T0 Heartbeat * 4.5
5 Heartbeat Heartbeat T0 Heartbeat * 4.5
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