Mykhaylenko V. Modeling of steady-state processes and transients in electric circuits with semi-conductor commutators using the method of multi-parametric functions

The оbject of research: furcated electric circuity with semiconductor commutators and sections of sinusoidal, direct and pulsing voltages. The purpose of research: development of a method of multi-parametric modulating functions by means of working out of new mathematical models and definition of functions and algorithms for analysis on stady-state and transient processes in electric circuits of variable structure with semiconductor commutators and section, in what appear sinusoidal, direct and pulsing currents. Methods of research: theory of the stady-state and transient processes calculation in piecewise electric circuit, use the methods of the numerical decision of the differential equations, in particular method multivariable modulating function. Theoretical and practical results and innovations: theoretical electrical engineering was developed in the direction of new calculation methods for stady-state and transient processes in electric circuit with semiconductor converters and different modulating effects in parts of sinusoidal, direct and pulsing voltages that has provided creating thyristor converters with width-pulse regulation of output voltage parameters for electromechanic and technological loads; it is shawn that use the multivariable modulating function method in electric circuits of the variable structure advisable if the are not more three independent reactive element sections. Subject and degree of introduction: Dissertation results were used in the Institute of Electrodynamics of NAS of Ukraine for stady-state and transient processes calculation in electric circuit with semiconductor commutators. Introduction effectiveness: the determination circuitry decisions for velocitie regulation increasing and to instability of the output voltages of the thyristor converters reduction. Sphere of use: stady-state and transient processes calculation in electric circuitxs with the dischange pulses thyristor shapers class pulse for technological installation micro- and nanopowder and suspensions production.