Title :
Improved fault tolerance of active power filter system
Author :
Jacobina, C.B. ; Correa, Mauricio B. R. ; Pinheiro, R.F. ; Lima, A.M.N. ; da Silva, E.R.C.
Author_Institution :
Departamento de Engenharia Eletrica, Univ. Fed. da Paraiba, Brazil
fDate :
6/23/1905 12:00:00 AM
Abstract :
This paper investigates the utilization of a relatively simple topology that provides fault-tolerant operation for a three-phase system containing a shunt active power filter. With such a topology, when one of the filter converter legs is lost, the filter can still operate by connecting the grid neutral to a fourth converter leg. The structure proposed and the operating principles of the system are presented. The system model under fault condition is derived and a suitable control strategy is proposed. Experimental results are presented to demonstrate the correctness of the proposed solution
Keywords :
electric current control; fault tolerance; power convertors; power filters; power systems; AC power systems; PWM space vector; active power compensation; active power filter system; control strategy; fault location; fault-tolerant operation; filter converter legs; grid neutral; shunt active power filter; switching converters; three-phase system; Active filters; Circuit faults; Equivalent circuits; Fault tolerant systems; Jacobian matrices; Leg; Power conversion; Switching converters; Topology; Voltage control;
Conference_Titel :
Power Electronics Specialists Conference, 2001. PESC. 2001 IEEE 32nd Annual
Conference_Location :
Vancouver, BC
Print_ISBN :
0-7803-7067-8
DOI :
10.1109/PESC.2001.954353
