: Public <<BUC>> BusinessUseCase
Created: 19/09/2018 10:36:49
Modified: 19/09/2018 10:36:49
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This use case defines the information exchanges between TSO and DSO to optimize reactive power management actions for voltage control purpose. This includes taking into consideration existed resources at the DSO level to support TSO operations, thus supporting the whole network. <br/>Coordination between DSO and TSO should take a place to avoid impacting the DSO voltage level when the TSO performs reactive power management actions.<br/>The TSO and DSO should coordinate the reactive power at each primary substation (i.e. at the TSO-DSO interface) at different timeframes (several hours or days ahead) in operational planning. At real time, the DSO should try to meet the setpoint using its flexibility assets (e.g. capacitors banks, inductances, storage,...) available for the DSO usage and the reactive power that can be injected/absorbed by the DG connected in MV network.<br/>
Element Source Role Target Role
«Business» Significant Grid User (SGU)
Business «use»
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«Business» Distribution System Operator
Business «use»
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«Business» Meter Operator
Business «use»
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«Scenario» Scenario 1b: TSO notifies the DSO to participate in voltage control
Scenario «contain»
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Element Source Role Target Role
«Business» Transmission System Operator
Business «use»
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Object Type Connection Direction Notes
«Objective» Improve the system security Objective Dependency To  
«PreCondition» Contract power information PreCondition Dependency To  
«SUC» Contribution of DSO to voltage regulation SystemUseCase Dependency To  
«PreCondition» Capacitor banks operation point PreCondition Dependency To  
«Versions» Versions1 Versions Dependency To  
«Assumption» Legal Rules Assumption Dependency To  
«Objective» Control the voltage level at the TSO/DSO interface areas Objective Dependency To  
«PreCondition» SGU characteristic P/Q PreCondition Dependency To  
«PreCondition» TSO/DSO/Meter Operator coordination platform PreCondition Dependency To  
«References» References1 References Dependency To  
«Narrative» Narrative1 Narrative Dependency To  
«BusinessCase» Control of SGU connected in the DSO networks BusinessCase Dependency From  
«PreCondition» SGU Remote Terminal Unit PreCondition Dependency To  
«Objective» Improve the quality of electricity supply Objective Dependency To  
«ClassificationInformation» ClassificationInformation1 ClassificationInformation Dependency To