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        Optimal Integration of Dispersed Generation in Medium-Voltage Distribution Networks for Voltage Stability Enhancement

        Date
        2022-01-25
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        Aguirre-Angulo, B.E.; Giraldo-Bello, L.C.; Montoya, O.D.; Moya, F.D. Optimal Integration of Dispersed Generation in Medium-Voltage Distribution Networks for Voltage Stability Enhancement. Algorithms 2022, 15, 37. https://doi.org/10.3390/a15020037
        https://hdl.handle.net/20.500.12585/10702
        https://doi.org/10.3390/a15020037
        Universidad Tecnológica de Bolívar
        Repositorio Universidad Tecnológica de Bolívar
        http://repositorioslatinoamericanos.uchile.cl/handle/2250/3719735
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        Author
        Aguirre-Angulo, Brayan Enrique
        Giraldo-Bello, Lady Carolina
        Montoya, Oscar Danilo
        David Moya, Francisco
        Institutions
        • Universidad Tecnológica de Bolivar UTB (Colombia)
        Abstract
        : This study addresses the problem of the maximization of the voltage stability index (λcoefficient) in medium-voltage distribution networks considering the optimal placement and sizing of dispersed generators. The problem is formulated through a mixed-integer nonlinear programming model (MINLP), which is solved using General Algebraic Modeling System (GAMS) software. A numerical example with a 7-bus radial distribution network is employed to introduce the usage of GAMS software to solve the proposed MINLP model. A new validation methodology to verify the numerical results provided for the λ-coefficient is proposed by using recursive power flow evaluations in MATLAB and DigSILENT software. The recursive evaluations allow the determination of the λ-coefficient through the implementation of the successive approximation power flow method and the Newton–Raphson approach, respectively. It is effected by fixing the sizes and locations of the dispersed sources using the optimal solution obtained with GAMS software. Numerical simulations in the IEEE 33- and 69-bus systems with different generation penetration levels and the possibility of installing one to three dispersed generators demonstrate that the GAMS and the recursive approaches determine the same loadability index. Moreover, the numerical results indicate that, depending on the number of dispersed generators allocated, it is possible to improve the λ-coefficient between 20.96% and 37.43% for the IEEE 33-bus system, and between 18.41% and 41.98% for the IEEE 69-bus system
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        Red de Repositorios Latinoamericanos
        + of 4.000.000
        Available publications
        163 Participating institutions
        Dirección de Servicios de Información y Bibliotecas (SISIB)
        Universidad de Chile
        Membership Login
        Featured collections
        • Latin American Theses
        • Argentinean Theses
        • Chilean Theses
        • Peruvian Theses
        Latest collections added
        • Argentina
        • Brazil
        • Colombia
        • México
        Dirección de Servicios de Información y Bibliotecas (SISIB)
        Universidad de Chile
        Red de Repositorios Latinoamericanos | 2006-2018