استفاده و بهره برداری از DC SCOPF برای بهبود الگوریتم تکراری AC SCOPF

ترجمه فارسی مقاله استفاده و بهره برداری از DC SCOPF برای بهبود الگوریتم تکراری AC SCOPF

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استفاده و بهره برداری از DC SCOPF برای بهبود الگوریتم تکراری AC SCOPF

استفاده و بهره برداری از DC SCOPF برای بهبود الگوریتم تکراری AC SCOPF

چکیده

Abstract—This paper focuses on improving the solution techniques for the AC SCOPF problem of active power dispatch by using the DC SCOPF approximation within the SCOPF algorithm.Our approach brings two benefits compared with benchmark SCOPF algorithms: it speeds up the solution of an iterative AC SCOPF algorithm thanks to a more efficient identification of binding contingencies and allows improving the objective by an appropriate choice of a limited number of corrective actions for each contingency. The proposed approach is illustrated on five test systems of 60, 118, 300, 1203, and 2746 buses.
Index Terms—Contingency filtering, DC approximation, mixedinteger linear programming (MILP), nonlinear programming, security- constrained optimal power flow (SCOPF).

INTRODUCTION

the security-constrained optimal power flow (SCOPF) is a nonlinear, nonconvex, large-scale, static optimization problem, with both continuous and discrete variables [1], [2]. It computes optimal preventive/corrective actions that satisfy constraints of both the pre-contingency configuration as well as under a set of postulated contingencies. Power system engineers generally solve separately and sequentially two SCOPF problems, namely, the active power dispatch and the reactive power dispatch [3]. The main reasons for this separate computation are: these problems have different objective functions (e.g., minimum generation cost versus maximum reactive power reserves or minimum power losses), the two problems are better posed separately as the control variables of one problem have generally little impact on the constraints and the objective function of the other problem, and they have a smaller size and are hence more tractable.

استفاده و بهره برداری از DC SCOPF برای بهبود الگوریتم تکراری AC SCOPF الگوریتم  Exploiting the Use of DC SCOPF Approximation to Improve Iterative AC SCOPF Algorithms   شبیه سازی مقاله ااستفاده و بهره برداری از DC SCOPF برای بهبود الگوریتم تکراری AC SCOPF   شبیه سازی مقاله Exploiting the Use of DC SCOPF Approximation to Improve Iterative AC SCOPF Algorithms   شبیه سازی مقاله بهره برداری از سیستم قدرت شبیه سازی مقاله بهره برداری از سیستم قدرت

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