Optimal reactive power dispatch: a review, and a new stochastic voltage stability constrained multi-objective model at the presence of uncertain wind power generation

In this paper, a comprehensive review of recent researches carried out in the area of optimal reactive power dispatch (ORPD) is presented. The literature review consists of a classification of ORPD problem, along with a survey on the strengths and weaknesses of different models proposed previously....

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Vydáno v:	IET generation, transmission & distribution Ročník 11; číslo 4; s. 815 - 829
Hlavní autoři:	Mohseni-Bonab, Seyed Masoud, Rabiee, Abbas
Médium:	Journal Article
Jazyk:	angličtina
Vydáno:	The Institution of Engineering and Technology 09.03.2017
Témata:	binding constraint discrete control variables fuzzy satisfying approach fuzzy set theory general algebraic modelling system environment IEEE bus test systems integer programming mixed‐integer nonlinear programming optimisation problem nonlinear programming O&M cost operation & maintenance cost optimal reactive power dispatch PLs power generation dispatch power system stability reactive power reactive power compensation devices real power losses Review Article standard ORPD problem classification static VAr compensators stochastic multiobjective ORPD problem stochastic programming stochastic voltage stability constrained multiobjective model two‐stage stochastic optimisation framework uncertain wind power generation voltage stability constrained SMO‐ORPD voltage stability enhancement index voltage stability relaxed SMO‐ORPD VSC SMO‐ORPD wind farms wind power plants ε‐constraint technique ε-constraint technique integer programming nonlinear programming stochastic programming fuzzy set theory fuzzy satisfying approach voltage stability enhancement index mixed-integer nonlinear programming optimisation problem reactive power compensation devices voltage stability relaxed SMO-ORPD standard ORPD problem classification operation & maintenance cost general algebraic modelling system environment discrete control variables wind power plants VSC SMO-ORPD power system stability two-stage stochastic optimisation framework static VAr compensators stochastic voltage stability constrained multiobjective model stochastic multiobjective ORPD problem wind farms optimal reactive power dispatch power generation dispatch IEEE bus test systems reactive power PLs O&M cost real power losses binding constraint uncertain wind power generation voltage stability constrained SMO-ORPD
ISSN:	1751-8687, 1751-8695
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Shrnutí:	In this paper, a comprehensive review of recent researches carried out in the area of optimal reactive power dispatch (ORPD) is presented. The literature review consists of a classification of ORPD problem, along with a survey on the strengths and weaknesses of different models proposed previously. Also, a stochastic multi-objective ORPD (SMO-ORPD) model is studied under load and wind power generation uncertainties. A two-stage stochastic model is employed for dealing with the uncertainties. The considered objective functions are real power losses (PLs) and operation & maintenance (O&M) cost of wind farms (WFs). The proposed SMO-ORPD problem is solved by considering voltage stability index (i.e. Lmax index). Besides, ɛ-constraint technique and fuzzy satisfying approach are employed to pick up the best compromise solution. Two cases are considered as follows: (i) voltage stability relaxed SMO-ORPD, and (ii) voltage stability constrained (VSC) SMO-ORPD. In this study, reactive power compensation devices are modelled as discrete control variables. Hence, the proposed SMO-ORPD problem is modelled as a mixed-integer non-linear programming optimisation problem. The SMO-ORPD problem is implemented in GAMS environment, and it is examined on the IEEE 30 and 118-bus test systems. The numerical results substantiate that in the case of VSC-SMO-ORPD, active PLs are higher than the other case, whereas O&M cost of WFs is not different considerably.
ISSN:	1751-8687 1751-8695
DOI:	10.1049/iet-gtd.2016.1545