2021
DOI: 10.3390/app11188535
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A Multi-Period Optimal Reactive Power Dispatch Approach Considering Multiple Operative Goals

Abstract: The optimal reactive power dispatch (ORPD) problem plays a key role in daily power system operations. This paper presents a novel multi-period approach for the ORPD that takes into account three operative goals. These consist of minimizing total voltage deviations from set point values of pilot nodes and maneuvers on transformers taps and reactive power compensators. The ORPD is formulated in GAMS (General Algebraic Modeling System) software as a mixed integer nonlinear programming problem, comprising both con… Show more

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Cited by 8 publications
(13 citation statements)
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“…active and reactive power markets). Many studies have not considered opportunity costs when scheduling active and reactive powers [19][20][21][22][23][24][25][26][27][28][29][30][31]. In certain studies the opportunity cost is defined in different ways [18,[33][34][35].…”
Section: Status Of the Literaturementioning
confidence: 99%
See 1 more Smart Citation
“…active and reactive power markets). Many studies have not considered opportunity costs when scheduling active and reactive powers [19][20][21][22][23][24][25][26][27][28][29][30][31]. In certain studies the opportunity cost is defined in different ways [18,[33][34][35].…”
Section: Status Of the Literaturementioning
confidence: 99%
“…In reference [25], the effect of capability curve limits on microgrid reconfiguration was analysed. In reference [26], a multi‐period optimal reactive power dispatch approach was proposed; however, the active and reactive power generations were modelled independently. In reference [27], a neural network‐based approach was proposed to virtually visualise the generator capability curve.…”
Section: Introductionmentioning
confidence: 99%
“…The optimization problem indicated by Equations ( 1)-( 9) is nonlinear and nonconvex. This is evident in Equations ( 2) and (3) which involve trigonometric functions as well as a nonlinear relation of the admittance matrix with the transformer taps [21,43]. Moreover, the presence of integer variables makes the problem even more complex.…”
Section: Inequality Constraintsmentioning
confidence: 99%
“…The main complication of the optimization problem (1)-( 9) is associated with the non-convexity of the solution space mainly caused by the active and reactive power balance constraints and the nonlinear dependence of the admittance matrix with the transformer taps [9,36]. Additional to these complications, the presence of the integer variables that generate disconnections in the solution space, make necessary to propose efficient optimization techniques that ensure adequate solution with low computational requirements, even when these are sub-optimal solutions.…”
Section: Interpretation Of the Mathematical Modelmentioning
confidence: 99%