Title :
Behavior of a power conditioner for μ-SMES systems under unbalanced supply voltages and unbalanced loads
Author :
Casadei, D. ; Grandi, G. ; Reggiani, U. ; Serra, G. ; Tani, A.
Author_Institution :
Dept. of Electr. Eng., Bologna Univ., Italy
Abstract :
In this paper a power conditioning system (PCS) is analyzed under input and output unbalanced conditions. The PCS, which can be utilized as an active filter with additional tasks, consists of a voltage source inverter and a DC current chopper. The PCS considered in this paper uses a superconducting magnet as an energy storage device. A theoretical analysis of the system behavior under unbalanced conditions is presented. Two control strategies are developed and compared with reference to the effects on the source power quality. Numerical simulations have been carried out by PSpice to verify the performance of the PCS in steady-state and transient operating conditions
Keywords :
active filters; choppers (circuits); electric current control; invertors; power control; power supply quality; superconducting magnet energy storage; voltage control; μ-SMES systems; DC current chopper; DC-link voltage control; PSpice; VSI AC current control; active filter; energy storage device; input unbalanced conditions; micro-SMES; micro-superconducting magnet energy storage; numerical simulations; output unbalanced conditions; power conditioner; power conditioning system; source power quality; steady-state operating conditions; stored energy control; superconducting magnet; transient operating conditions; unbalanced loads; unbalanced supply voltages; voltage source inverter; Active filters; Choppers; Energy storage; Inverters; Magnetic analysis; Personal communication networks; Power conditioning; Power quality; Superconducting magnets; Voltage;
Conference_Titel :
Industrial Electronics, 1999. ISIE '99. Proceedings of the IEEE International Symposium on
Conference_Location :
Bled
Print_ISBN :
0-7803-5662-4
DOI :
10.1109/ISIE.1999.798669
