1997
DOI: 10.1109/59.575768
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Challenges to optimal power flow

Abstract: The future of OPFs is as bright as ever. Engineers continue to find new uses for those programs. However, they are still only used by a minority. Thus, the challenge to OPFs is to become as popular and as easy to use as conventional power flows. This note examines what power engineers are using off-line OPFs for, what shortcomings they are encountering, and what solutions there could be to these problems. OPF Uses In general, OPFs are applicable when a) studying a problem that requires interactive use of conve… Show more

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Cited by 199 publications
(107 citation statements)
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“…Despite the facts that the controller is implemented on one of the highest level programming languages (Matlab) and that it spends most of its time getting simulations from the power system model (converted from Dymola to Simulink). With all these in mind a prediction horizon up to 30 an acceptable voltage level can not restored and voltage collapse is inevitable under the actual constraints on the different control inputs. This is closely related to critical time approaches, [34].…”
Section: Simulation Resultsmentioning
confidence: 99%
See 1 more Smart Citation
“…Despite the facts that the controller is implemented on one of the highest level programming languages (Matlab) and that it spends most of its time getting simulations from the power system model (converted from Dymola to Simulink). With all these in mind a prediction horizon up to 30 an acceptable voltage level can not restored and voltage collapse is inevitable under the actual constraints on the different control inputs. This is closely related to critical time approaches, [34].…”
Section: Simulation Resultsmentioning
confidence: 99%
“…The same quantity is plotted in figure 5 with respect to variations in the steady state reactive power demand 0 Q in equations (2) As we shall see later, one can not rely only on static analysis to derive control policies. This is the optimal power flow based methods (purely static setting) as known in literature see e.g., [30]. This methodology can be satisfactory, when the static analysis's derived controls are applied as soon as the fault appears, or the case where some advanced heuristics are introduced leading to efficient timing of the different actions.…”
Section: Power System Analysismentioning
confidence: 99%
“…Meanwhile, from the power grid companies' perspective, determining how to reduce the operation cost is important too. Based on the optimal power flow (OPF) method [38], this paper proposes an optimal dispatch model based on the improved carbon emission flow theory. The OPF is a complex non-linear programming problem [39], in which the power system will operate in a steady state to achieve a predetermined optimal target by adjusting available control means.…”
Section: The Carbon Emission Flow Based Optimal Dispatch Strategy Conmentioning
confidence: 99%
“…Discussions on the possibility of including stability constraints into standard OPF formulations can be found in [19], [21], [22]. It is well-understood that voltage and thermal constraints be modeled via algebraic equations or inequalities [19]- [21].…”
mentioning
confidence: 99%