%0 Journal Article %T Poincaré-Lindstedt method for approximating periodic solutions of nonlinear circuit equations %A Samborska, Maria %J Czasopismo Techniczne %V 2012 %R 10.4467/2353737XCT.14.009.1786 %N Automatyka Zeszyt 1-AC (25) 2012 %P 1-1 %K Poincaré-Lindstedt method, electric circuits analysis, dynamical systems, van der Pol equation %@ 0011-4561 %D 1970 %U https://ejournals.eu/czasopismo/czasopismo-techniczne/artykul/poincare-lindstedt-method-for-approximating-periodic-solutions-of-nonlinear-circuit-equations %X This paper presents the Poincaré-Lindstedt method for approximating periodic solutions of nonlinear circuit equations. An accuracy analysis is done for an approximation obtained by applying this method. An application of described method to the van der Pol equation is also covered and the results are compared with numerical solutions.