Title :
Compensating the island network voltage unsymmetricity with DTC-modulation based power conditioning system
Author :
Tarkiainen, A. ; Pöllänen, R. ; Niemelä, M. ; Pyrhonen, J. ; Vertanen, M.
Author_Institution :
Lappeenranta Univ. of Technol., Finland
Abstract :
An algorithm for compensating island network voltage unsymmetricity with a DTC-modulation based scalar controlled power conditioning system is introduced and experimentally verified. The proposed method consists two separate stages where first the unsymmetricity is detected and then the compensating negative sequence system is calculated. Experimental results show that the proposed method fully compensates the voltage unsymmetricity resulting from unbalanced load. Both the magnitude and the phase angle unsymmetricity are compensated.
Keywords :
bipolar transistor switches; insulated gate bipolar transistors; power bipolar transistors; power convertors; power semiconductor switches; power system interconnection; switching convertors; uninterruptible power supplies; DTC-modulation based scalar controlled power conditioning system; island network voltage compensation; magnitude; negative sequence system compensation; phase angle; unbalanced load; voltage unsymmetricity; Active filters; Automatic control; Control systems; Personal communication networks; Power conditioning; Power harmonic filters; Power supplies; Torque control; Uninterruptible power systems; Voltage control;
Conference_Titel :
Electric Machines and Drives Conference, 2003. IEMDC'03. IEEE International
Print_ISBN :
0-7803-7817-2
DOI :
10.1109/IEMDC.2003.1210355
