A new component method is developed to solve unbalance problems in power systems by substituting θ = 45° in Park's Transformation. Interconnection of sequence components network to simulate various shunt and series faults are obtained. The interconnected networks are similar to those obtained by symmetrical component transformation without any phase shifters.
A generalised sequence components converter has been described earlier! where sequence components requiring same matrices of transformation for currents and voltages were obtained from phase components. In this communication the cases of components requiring different matrices of transformation for currents and voltages are discussed. (a) Kimbark (xyz) components conversionThe linear transformation equations are written [V]abc = [Tv]xyz [V]XYZ [J]abc = [TJxyz[I]XYZ In this case two transformations" are introduced one for voltage orthogonal base [Tv]xyz and another for current orthogonal base. where Xv Yv Zv 0 [Tv]xyz = -1 _J3 2 -1 J3 2 and Xi Yi Zi 0 1 [T;]xyz = -1 _J3 t 2 -1 J3 t 2 Under these transformations power is given by (Val a + Vbl b + Vclc)=i(Vxl x + Vyly + Vzl z) at The University of Iowa Libraries on June 4, 2016 ije.sagepub.com Downloaded from
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