Title :
DSP implementation of a neutral current compensator
Author :
Soares, V. ; Verdelho, P.
Author_Institution :
Instituto Superior de Engenharia, Lisboa, Portugal
Abstract :
This paper presents an implementation of a neutral current compensator. The DSP based control circuit is applied to a four-wire three-leg voltage source converter with split DC link capacitor. It aim is to compensate the neutral current and thus the zero sequence currents derived from harmonics and first harmonic unbalance. Neutral current compensation and DC voltage regulation system are analysed. Simulation and experimental results are presented enabling to highlight the system robustness and neutral current compensation effectiveness.
Keywords :
AC-DC power convertors; active filters; capacitors; compensation; digital signal processing chips; harmonic distortion; power harmonic filters; power supply quality; power system harmonics; voltage control; AC-DC power conversion; DC voltage regulation system; DSP control circuit; DSP implementation; active filters; first harmonic unbalance; four-wire three-leg converter; harmonics; neutral current compensator; power supply; simulation; split DC link capacitor; system robustness; three-phase four-wire system; voltage source converter; zero sequence current; Active filters; Analog-digital conversion; Capacitors; Converters; Digital signal processing; Power conversion; Power harmonic filters; Rectifiers; Voltage control; Wire;
Conference_Titel :
Harmonics and Quality of Power, 2002. 10th International Conference on
Print_ISBN :
0-7803-7671-4
DOI :
10.1109/ICHQP.2002.1221441
