Three-phase Bridge Rectifier Research Articles

Topological Model for a Three-Phase Converter

The purpose of this article is to develop an efficient model for the analysis of a three-phase converter. An algorithm for the generation of a modified proper tree and fundamental cutset matrix from a network graph is developed, which utilizes much less computer storage space and computation time compared to the classical methods. A three-phase rectifier bridge with its associated protective circuits is considered and the results obtained from the developed technique are discussed.

Three-phase bridge rectifiers with complex source impedance

The operation of uncontrolled and controlled 3-phase bridge rectifiers with resistive and inductive source impedances is investigated. Equations describing the operation of the systems, from open circuit to short circuit on the d.c. side, are given. Results computed from these equations are presented in graphical form. The effect of varying the ratio of source resistance to reactance is demonstrated. Some experimental results obtained from a model system are presented. From the results, it is shown that the resistive component of the source impedance will have a significant effect on the operation of a rectifier system, unless the source reactance is at least an order of magnitude greater than the source resistance. Resistive components of the source impedance have their greatest impact on the high voltage/low current portion of the load characteristic.

Characteristics of Primary-Voltage Controlled Induction Motor using Three-Phase Bridge Rectifier Circuit Connected to Neutral Side of Primary Winding

Characteristics of Primary-Voltage Controlled Induction Motor using Three-Phase Bridge Rectifier Circuit Connected to Neutral Side of Primary Winding