: Public <<SUC>> SystemUseCase
Created: 10/08/2018 03:53:08
Modified: 20/09/2018 13:15:23
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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 existing resources at the DSO level to support TSO operations, thus supporting the whole network. Coordination between DSO and TSO should take place to avoid impacting the DSO voltage level when the TSO performs reactive power management actions. The TSO and DSO should coordinate the reactive power at each primary substation (i.e. at the TSO-DSO interface) at different timeframe's (several hours or days ahead) in operational planning. At real time, the DSO should try to meet the set point 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 SGU connected in MV network.<br/><br/>When the network operation system of DSO receives (i.e  from the interface exchange platform) a request for a setpoint of reactive power (Q, tan_phi, or P/Q diagram),  it activates levers with respect to a merit order list. This SUC describes 2 levers: using capacitors bank in the DSO substation  and/or sending control signals to the SGU.<br/>
Element Source Role Target Role
«SUC» Information exchange using a collaborative platform
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«System» Network Operation
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«System» Substation control
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«System» Network Model Management
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«System» Pre-Operation Planning
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«System» End Device Control
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