Title :
A line-interactive UPS structure with built-in vector-controlled charger and PFC
Author :
Ho, Wen-Jung ; Lio, Jan-Bin ; Feng, Wu-Shiung
Author_Institution :
Dept. of Electr. Eng., Nat. Taiwan Univ., Taipei, Taiwan
Abstract :
In this paper, a new single-phase uninterruptible power supply (UPS) scheme is proposed. It mainly consists of a minimized power converter structure which is capable of providing specified constant output voltage, a phase-controlled battery charger and input power factor improvement
Keywords :
AC-DC power convertors; DC-AC power convertors; battery chargers; harmonic distortion; invertors; power factor correction; power system harmonics; uninterruptible power supplies; constant output voltage; input power factor improvement; invertor; line-interactive UPS; minimized power converter structure; power factor correction; rectifier; single-phase uninterruptible power supply; vector phase-controlled battery charger; Batteries; Computer industry; Electricity supply industry; Equations; Inductors; Inverters; Reactive power; Rectifiers; Uninterruptible power systems; Voltage control;
Conference_Titel :
Power Electronics and Drive Systems, 1997. Proceedings., 1997 International Conference on
Print_ISBN :
0-7803-3773-5
DOI :
10.1109/PEDS.1997.618680
