| Title |
Voltage Control Strategy of new 3-phase Line-Interactive UPS System using AC Line Reactor and Parallel-Series Active Filter |
| Authors |
지준근(Ji, Jun-Keun) ; 김장환(Kim, Jang-Hwan) ; 설승기(Sul, Seung-Ki) |
| Keywords |
AC 라인 리액터 ; 병렬 및 직렬 능동필터 ; 3상 Line-Interactive UPS(Uninterruptible Power Supply) ; 전압제어 ; |
| Abstract |
A new 3-phase line-interactive UPS(Uninterruptible Power Supply) system with parallel-series active power-line conditioning capability using AC line reactor and two four-leg PWM VSCs(Voltage Source Converters) was introduced recently. In this paper, the strategy of voltage control in suggested UPS system is explained. The objective of proposed voltage controllers in parallel(shunt) and series PWM VSC is to guarantee satisfactory characteristics in steady state and transient state. Therefore the experimental results to prototype UPS system having power rating of 60kVA is shown to prove the verification of voltage control strategy. |