Title :
Modelling, analysis and control of unified power quality conditioner
Author :
Vilathgamuwa, M. ; Zhang, Y.H. ; Choi, S.S.
Author_Institution :
Sch. of Electr. & Electron. Eng., Nanyang Technol. Inst., Singapore
Abstract :
The power quality improvement of a sensitive load by an unified power quality conditioner (UPQC) is presented. The UPQC, consists of back-to-back connected series and shunt active filters, is modelled using a state-space-averaging technique to analyse its behaviour. The enhancement of shunt active filter performance is achieved by applying a moving time window method. The performance of UPQC under load nonlinearities and source disturbance conditions is investigated using simulation as well as experimental results
Keywords :
active filters; harmonic distortion; load (electric); power convertors; power harmonic filters; power supply quality; power system harmonics; state-space methods; back-to-back connected series/shunt active filters; circuit modelling; load nonlinearities; moving time window method; power filter performance; power quality improvement; sensitive load; source disturbance conditions; state-space-averaging technique; unified power quality conditioner; Active filters; Finite impulse response filter; Power harmonic filters; Power quality; Power supplies; Power system harmonics; Power system modeling; Reactive power; Transformers; Voltage fluctuations;
Conference_Titel :
Harmonics and Quality of Power Proceedings, 1998. Proceedings. 8th International Conference On
Conference_Location :
Athens
Print_ISBN :
0-7803-5105-3
DOI :
10.1109/ICHQP.1998.760182
