Title :
Microprocessor-based control system for high-speed three-phase voltage source inverters with LC output filter
Author :
Fritsche, Christian ; Schmitt, Peter ; Gerster, Christian
Author_Institution :
Electr. Eng. & Design Lab., Swiss Fed. Inst. of Technol., Zurich, Switzerland
Abstract :
This paper describes a microprocessor-based digital control system for three-phase voltage source inverters (VSIs) with second-order LC filter for high- and variable-frequency applications. In order to economize computing time and for dynamic reasons, the innermost capacitor current control loop is realized as a simple but efficient hysteresis controller. An outer state controller-based on a continuous or discretized mathematical model-ensures sinusoidal load voltage and current
Keywords :
digital control; electric current control; invertors; microcomputer applications; LC output filter; computing time economisation; digital control system; discretized mathematical model; high speed 3-phase VSI; hysteresis controller; innermost capacitor current control loop; microprocessor-based control system; outer state controller; second-order LC filter; sinusoidal load current; sinusoidal load voltage; three-phase voltage source inverters; Capacitors; Control systems; Digital modulation; Digital signal processing; Power harmonic filters; Pulse width modulation; Pulse width modulation inverters; Random access memory; Switching frequency; Voltage control;
Conference_Titel :
Power Electronics Specialists Conference, 1999. PESC 99. 30th Annual IEEE
Conference_Location :
Charleston, SC
Print_ISBN :
0-7803-5421-4
DOI :
10.1109/PESC.1999.789062
