Title :
Enhancement of Voltage Quality in Isolated Power Systems
Author :
Wang, T.X. ; Choi, S.S.
Author_Institution :
Sch. of Electr. & Electron. Eng., Nanyang Technol. Univ., Singapore
fDate :
4/1/2007 12:00:00 AM
Abstract :
The use of series compensators (SCs) in improving voltage quality of isolated power systems is considered. The roles of the compensators are to mitigate the effects of momentary voltage sags/swells, and to control the level of harmonic distortions in the networks. A control strategy for the SC is developed to regulate power flow. This is achieved through phase adjustment of load terminal voltage. It leads to an increase in the ridethrough capability of loads to the voltage sags/swells. Validity of the technique is illustrated through simulation
Keywords :
harmonic distortion; load flow; power supply quality; harmonic distortions; isolated power systems; load terminal voltage; momentary voltage sags; phase adjustment; power flow regulation; ridethrough capability; series compensator control strategy; voltage quality enhancement; voltage swells; Load flow; Nonlinear distortion; Power quality; Power system harmonics; Power system interconnection; Power system restoration; Power system simulation; Power systems; Rectifiers; Voltage control; Harmonic power flow; isolated power system; phase shift; series compensation; voltage restoration;
Journal_Title :
Power Delivery, IEEE Transactions on
DOI :
10.1109/TPWRD.2007.893437