Title :
New sensorless control of three-phase bi-directional converter using space-vector modulation
Author :
Mazumder, Sudip ; Nayfeh, Ali H. ; Borojevic, Dushan
Author_Institution :
Dept. of Electr. Eng., Virginia Polytech. Inst. & State Univ., Blacksburg, VA, USA
Abstract :
In this paper, the authors describe a sensorless control scheme for a three-phase bidirectional converter that operates without line current sensors. With this scheme, the converter operates under a fixed switching frequency and can handle zero states. This improves the total harmonic distortion of the source current and eliminates the problems associated with a variable switching frequency control. The scheme can handle any space-vector modulation scheme. The implementation of the converter control is in a synchronous frame, thereby enhancing the dynamic bandwidth of the system
Keywords :
PWM power convertors; closed loop systems; control system analysis; control system synthesis; harmonic distortion; power conversion harmonics; stability; voltage control; dynamic bandwidth; fixed switching frequency; sensorless control; source current THD; space-vector modulation; synchronous control frame; three-phase bidirectional power converter; total harmonic distortion; Bandwidth; Bidirectional control; Control systems; Equations; Sensor phenomena and characterization; Sensorless control; Switching converters; Switching frequency; Total harmonic distortion; Voltage;
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.1999.785599
