Flexibility: key enabler for energy transition
Flexibility is the ability of a power system to adapt to new demand, generation, and transmission conditions, efficiently and safely maintaining the power flow in the system.
In a context of increasing variable renewable energy penetration led mainly by wind and solar power plants, flexibility becomes a mandatory feature for power systems.
SDDP 17.3 handles system flexibility by representing detailed hourly analysis efficiently through the typical days methodology. This approach allows for the assessment of equipment operations across various time scales, ensuring robust dispatch in the face of transmission network security constraints. Furthermore, SDDP 17.3 enhances operational flexibility by incorporating Dynamic Line Rating, optimizing the operation of transmission lines.
Hourly dispatch with typical days
Tackling hourly representation details is challenging yet crucial task for expansion and operation planning.
Multiple time scales dynamics
Large reservoirs, long-term gas storage, batteries, and pumped-storage plants are represented in an integrated manner within the strategic and tactical decision-making process.
Short-term operating constraints
Planning studies can represent an essential set of short-term power plants operating constraints, necessary for a realistic representation. This includes hydro outflow ramping constraints, hydro and thermal generation ramping constraints, thermal minimum downtime and uptime and maximum uptime.
Security-contrained optimal dispatch under uncertainty
SDDP jointly represents contingency with other uncertainties, preparing its dispatch schedule to handle undesired events in the transmission network.
N-1 contingency events
Now all constraints are taken into account, providing more robust results.
Post-contingency flow analysis
SDDP provides a new integrated tool for post-contingency flow analysis for the dispatch.
Robust expansion plan
The dispatch schedule calculated by SDDP considering network contingencies sends valuable insights to OptGen, which creates contingency-safe expansion plans.
Dynamic Line Rating
Dynamic Line Rating (DLR) enhances the utilization of transmission assets by accounting for environmental factors affecting the energy transmission process.
Thermal rating scenarios
Consider environmental aspects such as temperature and wind speed to generate hourly transmission line rating scenarios.
Flexibility in network operation
The dynamic line capacity allows for a more optimized usage of the transmission line assets, that may lead to a cost-effective operation or postpone transmission investments.
Georeferenced data
Throught Time Series Lab (TSL) integration, capacity scenarios for transmission lines are generated based on the real geographical path of each circuit.
Documentation
Review all SDDP's powerful capabilities in the documents below.
Publication on DLR methodology
Check out IRENA's report about power system and VRE integration, diving into dynamic line rating methodology and application.
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SDDP 17.3
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