Abstract
최근 전력의 수요공급 불균형으로 전력사용 피크시간대의 전력사용 강제 제한이 불가피하다. 따라서, 본 논문에서는, 피크전력이 발생하지 않는 시간대의 전기를 저장하고 전력부족이 예상되는 피크전력 시간대에는 저장전력을 공급하는 병렬운전 기기의 회로를 설계하는데 있다. 이 회로설계를 통하여, PRS의 핵심기능인 상용전원과 인버터 발생전원의 병렬연결 운용으로, 상용전원의 피크치 전력을 조절할 수 있었다. 또한 효율을 높이기 위하여 Transless Power Circuit DC-AC 인버터를 개발하였다. 더 나아가, 가변임피던스 제어를 적용하여 무정전 전원장치의 저장전력을 상용전원과 연계함으로써, 기존의 무정전 전원장치에서 구현을 못하고 있는 저장전력 사용시간을 획기적으로 늘릴 수 있는 기술구현 가능성을 입증하였다. Recent use of electricity during peak hours electricity supply-demand imbalance is inevitable that limit power use force. Therefore, in this paper, a circuit of parallel power operation equipment for peak power reduction which saves the power to electricity storage device during the non-peak power time and supply from the storage power during the expected power shortages time is designed Through this circuitry, the peak power of the commercial power supply with the parallel operation and connection of the commercial power supply and the power supply of the inverter from electricity storage that is a key feature of PRS(Peak power Reduction System) can be controlled. In addition, in order to increase the efficiency, a Transless Power Circuit DC-AC inverter is developed. Moreover, a variable impedance control is applied to the storage of electric power of an Uninterruptible Power Supply associated with a commercial power source.
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