Title :
A novel clamp circuit for a regenerative rectifier using AC/AC matrix converter theory
Author :
Julian, Alexander L. ; Oriti, Giovanna
Abstract :
The main contribution of this paper is the design of a new clamp circuit for an AC/DC converter topology based on ac/ac matrix converter theory. The drive is capable of delivering 250-A DC from a three-phase 480-V AC source while keeping the insulated gate bipolar transistor voltage and current within the safe operating area of the devices. The power level required by the dc drive discussed in This work presents several design challenges which have been overcome with innovative solutions. An example is the clamp circuitry, necessary for the safe operation of the bidirectional switches, which is described, analyzed and demonstrated experimentally.
Keywords :
AC-AC power convertors; AC-DC power convertors; insulated gate bipolar transistors; matrix convertors; power bipolar transistors; rectifying circuits; safety; switching convertors; AC-AC matrix converter theory; AC-DC converter topology; DC drive; bidirectional switch; clamp circuit; insulated gate bipolar transistor voltage; operation safety; regenerative rectifier; three-phase AC source; Circuit topology; Clamps; DC-DC power converters; Drives; Insulated gate bipolar transistors; Matrix converters; Rectifiers; Switches; Switching circuits; Voltage;
Journal_Title :
Industry Applications, IEEE Transactions on
DOI :
10.1109/TIA.2004.840963
