Title :
Analysis of three phase PWM buck rectifier under modulation magnitude and angle control
Author :
Ojo, Olorunfemi ; Bhat, Ishwar
Author_Institution :
Tennessee Technol. Univ., Cookeville, TN, USA
Abstract :
The analysis of the steady-state, dynamic, and small-signal performance of a three-phase AC/DC buck rectifier using pulse width modulation (PWM) with modulation magnitude and angle control is presented. General equations of the converter including switching discontinuities are derived and used for transient and dynamic simulations. From these nonlinear equations, using the concept of existence function and synchronous reference frame d-q-o transformation, simplified steady-state and small-signal models are derived. Unity power factor operation of the converter is extensively studied. Dominant eigenvalue variation and various transfer functions are determined. The various input-output transfer functions are highly coupled
Keywords :
eigenvalues and eigenfunctions; network analysis; power convertors; power factor; pulse width modulation; rectifying circuits; switching circuits; transfer functions; transforms; AC/DC power convertors; angle control; dynamic simulations; eigenvalue variation; existence function; modulation magnitude control; nonlinear equations; performance; small-signal models; steady state models; switching discontinuities; synchronous reference frame d-q-o transformation; three phase PWM buck rectifier; transfer functions; transient simulation; unity power factor; Nonlinear equations; Performance analysis; Phase modulation; Pulse width modulation; Reactive power; Rectifiers; Space vector pulse width modulation; Steady-state; Switching converters; Transfer functions;
Conference_Titel :
Industry Applications Society Annual Meeting, 1993., Conference Record of the 1993 IEEE
Conference_Location :
Toronto, Ont.
Print_ISBN :
0-7803-1462-X
DOI :
10.1109/IAS.1993.299008
