Open AccessApplication of the MQ RBF-FD method to calculating transient voltages of power transmission lines
Author(s) -
Anh Pham Lan Vu,
Victoria Le,
Tu Phan Vu
Publication year - 2016
Publication title -
khoa học công nghệ
Language(s) - English
Resource type - Journals
ISSN - 1859-0128
DOI - 10.32508/stdj.v19i2.642
Subject(s) - emtp , transient (computer programming) , radial basis function , transmission line , voltage , ordinary differential equation , mathematics , benchmark (surveying) , electric power transmission , time domain , finite difference method , finite difference , mathematical analysis , algorithm , control theory (sociology) , power (physics) , differential equation , computer science , electric power system , physics , engineering , artificial neural network , electrical engineering , artificial intelligence , telecommunications , geodesy , control (management) , quantum mechanics , geography , computer vision , operating system
This paper presents an application of the Radial Basis Function – Based Finite Difference Method (RBF-FD) to solving the electrical transient problems defined by the time-dependent ordinary differential equations. In this method, the finite difference approximations of first- and second-order derivatives in time domain are formalated the same as those in space domain based on the MQ (Multiquadrics) function presented in [1]. The MQ RBF-FD method are for the sake of evaluating the accuracy, effectiveness and applicability used to compute the transient voltages on the benchmark circuit and 220 kV three-phase transmission line of Viet Nam. Our numerical results are compared with those obtained by the analytical method, the traditional FD method and ATP/EMTP software. The compared results have been shown that the MQ RBF-FD method has accuracy that is higher than ones of the traditional numerical methods, especially with the optimal shape parameter.