Title :
A power line conditioner based on flying capacitor multilevel voltage source converter with phase shift SPWM
Author :
Liang, Yiqiao ; Nwankpa, C.O.
Author_Institution :
ALSTOM Drives & Controls, Pittsburgh, PA, USA
Abstract :
In this paper, a new power line conditioning system is proposed. This system is constructed by a flying capacitor multilevel VSC (voltage source converter) and two reactors. The phase-shift SPWM (sinusoidal pulse width modulation) switching scheme is applied to control the switching devices of this converter. Due to this multilevel VSC and the switching scheme applied to this converter, the system is applicable to distribution systems or industrial applications. The reactive power compensation, harmonic suppression and load balancing functions of the power line conditioner are analyzed. A novel and effective startup procedure is proposed to start up the system. System simulation is carried out to verify the theoretical analysis results
Keywords :
PWM power convertors; compensation; harmonic distortion; load (electric); phase shifters; power capacitors; power harmonic filters; power system harmonics; reactive power; distribution systems; flying capacitor multilevel voltage source power converter; harmonic suppression; industrial applications; load balancing; phase-shift sinusoidal PWM switching scheme; power line conditioning system; reactive power compensation; reactors; startup procedure; switching devices; Capacitors; Electrical equipment industry; Inductors; Phase modulation; Power conversion; Pulse width modulation; Pulse width modulation converters; Reactive power; Switching converters; Voltage;
Conference_Titel :
Industry Applications Conference, 1999. Thirty-Fourth IAS Annual Meeting. Conference Record of the 1999 IEEE
Conference_Location :
Phoenix, AZ
Print_ISBN :
0-7803-5589-X
DOI :
10.1109/IAS.1999.799169
