This paper deals with possible algorithms, which may ensure numerical stability of Newton-Raphson
method in load flow analysis. Although the Newton-Raphson method is frequently used, it may have
difficulties to obtain convergence. Oscillations, divergence or even convergence to unfeasible
solutions may appear using traditional procedures. Therefore, various techniques (such as update
truncation, factor relaxation, etc.) can be broadly employed to increase the reliability of the results
obtained. The aim of this paper is to find the best available stability algorithm providing solutions
with minimum number of iterations and lowest CPU time requirements.