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GE Multilin L30 Line Current Differential System C-17
APPENDIX C C.5 IEC 61850 IMPLEMENTATION VIA ENERVISTA UR SETUP
C
C.5.4 CREATING AN ICD FILE WITH ENERVISTA UR SETUP
An ICD file can be created directly from a connected L30 IED or from an offline L30 settings file with the EnerVista UR
Setup software using the following procedure:
1. Right-click the connected UR-series relay or settings file and select Create ICD File .
2. The EnerVista UR Setup will prompt to save the file. Select the file path and enter the name for the ICD file, then click
OK to generate the file.
The time to create an ICD file from the offline L30 settings file is typically much quicker than create an ICD file directly from
the relay.
C.5.5 ABOUT SCD FILES
System configuration is performed in the system configurator. While many vendors (including GE Multilin) are working their
own system configuration tools, there are some system configurators available in the market (for example, Siemens DIGSI
version 4.6 or above and ASE Visual SCL Beta 0.12).
Although the configuration tools vary from one vendor to another, the procedure is pretty much the same. First, a substation
project must be created, either as an empty template or with some system information by importing a system specification
file (SSD). Then, IEDs are added to the substation. Since each IED is represented by its associated ICD, the ICD files are
imported into the substation project, and the system configurator validates the ICD files during the importing process. If the
ICD files are successfully imported into the substation project, it may be necessary to perform some additional minor steps
to attach the IEDs to the substation (see the system configurator manual for details).
Once all IEDs are inserted into the substation, further configuration is possible, such as:
• Assigning network addresses to individual IEDs.
• Customizing the prefixes of logical nodes.
• Creating cross-communication links (configuring GOOSE messages to send from one IED to others).
When system configurations are complete, the results are saved to an SCD file, which contains not only the configuration
for each IED in the substation, but also the system configuration for the entire substation. Finally, the SCD file is passed
back to the IED configurator (vendor specific tool) to update the new configuration into the IED.
The SCD file consists of at least five major sections: