This use case provides information regarding adding a new line and transformer. In this use case:
• how to reuse the data from the old system, e.g. tag-names, parameters, connectivity.
• the addition of new measurements, control functions, protection etc.
• implications of emergency replacement.
The perspective is that of two companies:
1. Company 1 which needs to build a new substation with substation automation
2. Company 2 which needs to add new bay and transformer and replace the old protection system with substation automation based on 61850 standards
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