A high switching frequency IGBT PWM rectifier/inverter system for AC motor drives operating from single phase supply

Author

Thiyagarajah, K. ; Ranganathan, V.T. ; Iyengar, B.S.Ramakrishna

Author_Institution

Dept. of Electr. Eng., Indian Inst. of Sci., Bangalore, India

Volume

6

Issue

4

fYear

1991

fDate

10/1/1991 12:00:00 AM

Firstpage

576

Lastpage

584

Abstract

A pulse width modulated (PWM) rectifier/inverter system using insulated gate bipolar transistors (IGBTs), capable of switching at 20 kHz is reported. The base drive circuit for the IGBT, incorporating short-circuit protection, is presented. The inverter uses an Undeland snubber together with a simple energy recovery circuit, which ensures reliable and efficient operation even for 20 kHz switching. The front end for the system is a regenerative single phase full bridge IGBT inverter along with an AC reactor. Steady-state design considerations are explained, and control techniques for unity power factor operation and fast current control of the front end power converter, in a rotating as well as a stationary reference frame, are discussed and compared. Results from computer simulations and experimental results for a 1.5 kW prototype system are presented

Keywords

AC motors; electric drives; insulated gate bipolar transistors; invertors; power convertors; power transistors; rectifiers; switching; 1.5 kW; 20 kHz; AC motor drives; AC reactor; HF; IGBT; PWM; Undeland snubber; base drive circuit; design; efficiency; energy recovery; invertors; power converter; power supplies; power transistors; rectifiers; reliability; short-circuit protection; single phase; switching; Bridge circuits; Insulated gate bipolar transistors; Power system reliability; Protection; Pulse inverters; Pulse width modulation inverters; Rectifiers; Snubbers; Switching circuits; Switching frequency;

fLanguage

English

Journal_Title

Power Electronics, IEEE Transactions on

Publisher

ieee

ISSN

0885-8993

Type

jour

DOI

10.1109/63.97755

Filename

97755