Rechka, Sanae; Ngandui, Éloi; Xu, Jianhong; Sicard, Pierre - In: Mathematics and Computers in Simulation (MATCOM) 63 (2003) 3, pp. 363-375
Harmonics estimation methods are analyzed in presence of different power quality problems, namely voltage sags, voltage unbalance, voltage distortion and variations of power supply frequency. The harmonics detection algorithms are based on the instantaneous reactive power (IRP) theory, the...