TSO-DSO Operational Coordination Using a Look-Ahead Multi-Interval Framework

With the rise of distributed energy resources and the increasing activation of flexibility resources by Distribution Systems Operators (DSOs), the Transmission System Operators (TSOs) need to co-ordinate their actions with those of the DSOs. This research uses a look-ahead multi-interval (LA-MI) fra...

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Bibliographic Details
Published in:IEEE transactions on power systems 2023-09, Vol.38 (5), p.1-18
Main Authors: Bakhtiari, Hamed, Hesamzadeh, Mohammad Reza, Bunn, Derek
Format: Article
Language:English
Subjects:
Bending machines
Coordination
Couplings
Distribution systems
Electric load flow
Electric Power Engineering
Electric power transmission
Elkraftteknik
Energy resources
Energy sources
Generator
Generators
Index
Indexes
Integer programming
Load flow
Logic-based Benders decomposition
Logic-based benders decompositions
Look-ahead
Mixed integer
Operator distributions
Operators
Optimal power flow
Optimal power flows
Optimisations
Optimization
Regulator
Regulators
Stochastic programming
System bus
System buses
System operator
Transmission system operator-distribution system operator coordination
Transmission system operators
TSO-DSO coordination
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Summary:With the rise of distributed energy resources and the increasing activation of flexibility resources by Distribution Systems Operators (DSOs), the Transmission System Operators (TSOs) need to co-ordinate their actions with those of the DSOs. This research uses a look-ahead multi-interval (LA-MI) framework for analyzing this coordination and explores two formulations. Firstly in the exogenous DSO model, a mixed-integer linear program is developed to reflect the pragmatic approach in many real situations whereby the TSO can only anticipate statistically the actions of the DSO. In the embedded DSO model, as a comparator, we propose a new organizational setup for the TSO-DSO operational coordination mechanism. In the resulting bilevel decomposition, a new method to calculate Benders cuts is developed and tested on a modified IEEE 118-bus test system as a transmission network and two modified IEEE 33-bus test systems as distribution networks. The benefits of the LA-MI coordination framework are substantial in comparison with the current Look-Ahead Single-Interval (LA-SI) coordination framework widely used in Europe.
ISSN:0885-8950
1558-0679
1558-0679
DOI:10.1109/TPWRS.2022.3219581