Title :
A new minimum input distortion, model following controller for single phase pwm rectifiers
Author :
Flinders, Frank ; Oghanna, Wardina
Author_Institution :
Centre for Railway Eng., Central Queensland Univ., Rockhampton, Qld., Australia
Abstract :
A model-based controller suitable for application to single-phase voltage sourced PWM rectifiers has been developed. The new controller effectively eliminates the problem of harmonic distortion of the line current due to the 100 Hz output ripple being fed back via the voltage controller. In the past, the necessity to maintain low harmonic content in the input current has required the bandwidth of the control loop to be restricted. This problem is overcome in the model-based controller due to substantially greater attenuation of the output ripple. It is found that the maintenance of low harmonic distortion no longer requires the bandwidth to be restricted
Keywords :
AC-DC power convertors; PWM power convertors; control system analysis; control system synthesis; feedback; harmonic distortion; model reference adaptive control systems; power system harmonics; rectifying circuits; voltage control; 100 Hz; control design; control loop bandwidth; control performance; control simulation; feedback; harmonic distortion elimination; input current; model-based voltage controller; output ripple; single-phase voltage-source PWM rectifiers; Bandwidth; Centralized control; Harmonic distortion; Phase distortion; Power system modeling; Pulse width modulation; Reactive power; Rectifiers; Regulators; Voltage control;
Conference_Titel :
Industrial Electronics, 1997. ISIE '97., Proceedings of the IEEE International Symposium on
Conference_Location :
Guimaraes
Print_ISBN :
0-7803-3936-3
DOI :
10.1109/ISIE.1997.649032
