대한전기학회:학술대회논문집 (Proceedings of the KIEE Conference)
- 대한전기학회 2001년도 하계학술대회 논문집 B
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- Pages.605-607
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- 2001
AVR 기능 부가 off-line UPS 설계
Design of off-line UPS with AVR
-
Lee, Seung-Hee
(Research Institute of Industrial Science and Technology)
;
- Park, Tae-Jun (Research Institute of Industrial Science and Technology) ;
- Lee, Jin-Hee (Research Institute of Industrial Science and Technology) ;
-
Lee, Wang-Ha
(Research Institute of Industrial Science and Technology)
;
-
Lee, Chi-Wan
(Uiduk University)
- 발행 : 2001.07.18
초록
In this paper, an off-tine UPS with CVT(constant voltage transformer) is designed and the experimental result and problems of the designed UPS is given and discussed. This off-line UPS consists of triple-port CVT and PWM inverter which acts as charger and inverter. It can be evaluated in low price because haying simple structure. It offers high performance because CVT restricts the short current automatically about two or three times of rated current, has nearly unit power factor and constant output voltage to varying input voltage. The weak points of this UPS are that the output voltage waveform is not perfect sinusoidal and has phase difference to input voltage. The experimental result and problems of the designed UPS is given.
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