Title :
Space vector modulation method for unidirectional four-wire three-phase/level/switch (Vienna) rectifier
Author :
Alahuhtala, Jamo ; Tuusa, Heikki
Author_Institution :
Inst. of Power Electron., Tampere Univ. of Technol., Tampere
Abstract :
This paper presents a space vector modulation (SVM) method for four-wire Vienna rectifier (VIENNA4). The modulator uses complex plane for modulation and treats the zero-sequence voltage reference as an offset which is realized by proper weighting of redundant vectors. The main application for VIENNA4 is a transformerless AC-DC-AC converter used in uninterruptible power supplies (UPS). The applied modulation method and the control system are analyzed in detail. The analysis is verified with measurements from 10 kVA 230 V/400 V 50 Hz laboratory prototype in steady state and dynamical load conditions. The digital implementation of the modulator and the control system are realized with Freescale MPC563 microcontroller.
Keywords :
AC-DC power convertors; DC-AC power convertors; rectifying circuits; switching convertors; uninterruptible power supplies; AC-DC-AC converter; MPC563 microcontroller system; SVM method; UPS; apparent power 10 kVA; dynamical load condition; four-wire three-phase Vienna rectifier; frequency 50 Hz; space vector modulation method; steady state condition; three-switch rectifier; unidirectional VIENNA4; uninterruptible power supply; voltage 230 V; voltage 400 V; zero-sequence voltage reference offset; Analog-digital conversion; Control system analysis; Control systems; Laboratories; Prototypes; Rectifiers; Steady-state; Support vector machines; Switches; Uninterruptible power systems;
Conference_Titel :
Power Electronics, 2007. ICPE '07. 7th Internatonal Conference on
Conference_Location :
Daegu
Print_ISBN :
978-1-4244-1871-8
Electronic_ISBN :
978-1-4244-1872-5
DOI :
10.1109/ICPE.2007.4692487
