Optimal reactive power dispatch for minimization of real power loss using SBDE and DE-strategy algorithm
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ORIGINAL RESEARCH
Optimal reactive power dispatch for minimization of real power loss using SBDE and DE‑strategy algorithm V. Suresh1 · S. Senthil Kumar1 Received: 6 August 2020 / Accepted: 3 November 2020 © Springer-Verlag GmbH Germany, part of Springer Nature 2020
Abstract The power system related optimal reactive power dispatch (ORPD) generates crucial optimization issues. Equality and Inequality constraints possess the multi-variable and abridge characteristics. The differential evolution (DE) calculation enabled productive stochastic search technique helped for fathoming ORPD problems. The achievement of DE depends on transformation methodologies and their related control parameter values. In the research work, the proposed power system based self-balanced differential evolution (SBDE) algorithm used for the reduction of power loss. In transmission techniques, positions of tap, total shunts compensator, and generator terminal voltages are the control variable settings get to be switched, which is evaluated for reduction of losses in real power. SBDE algorithm concerned to the bus systems namely as IEEE 14 and IEEE 30 for enhanced results. The performance analyses get to compared with the Genetic Algorithm. The proposed analysis exhibit the capability that illustrates the ORPD issues with the effective and robust performance. Keywords Optimal reactive power dispatch (ORPD) · Real power loss · Differential evolution (DE) algorithm · Self balanced differential evolution (SBDE) algorithm
1 Introduction One of the issues of optimal power flow (OPF) is the Optimal Reactive Power Dispatch (ORPD), which are the most essential tasks in the power system network operation. Within the limitations, the reduced loss of power and the stability of voltage gets sustained. Dommel and Tinney (1968) proposed a concept on optimized power system enable the optimal voltage generator combination, changing the tap in the transformers enabled taps positions, and the overall capacitors banks to be switched. In recent years, the conventional and non-conventional algorithms are the many optimization techniques are established. A conventional method which is based on mathematical programming was used to perform the OPF. Sun and Ashley (1984) and Bjelogrlic and Ristanovic (1990) proposes with the conventional Newton method such as, linear programming (LP) method that was proposed by the Alsac et al. (1990). Also Granville (1994) put forth the interior point (IP) method. Also Lu and Hsu * V. Suresh [email protected] 1
Department of Electrical and Electronics Engineering, Government College of Engineering, Salem, India
(1995) comes along with the concept of dynamic programming and quadratic programming method that proposed by Quintana and Santos-Nieto (1989) and Varadarajan and Swarup (2008a; b, c), are used to meet the several objective function necessities the nature restrictions based type of applications. The disadvantages in the above methods consist of poor convergence, stuck at local optimum, and handling qualitative restr
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