| Title |
Development of High-Performance Single-Phase Line-Interactive Dynamic Voltage Restorer |
| Authors |
배병열(Bae, Byung-Yeol) ; 이동근(Lee, Dong-Geun) ; 곽노홍(Kwak, No-Hong) ; 박상호(Park, Sang-Ho) ; 한병문(Han, Byung-Moon) |
| Keywords |
Voltage Sag ; Voltage Interruption ; DVR(Dynamic Voltage Compensator) |
| Abstract |
This paper describes the development of a high-performance single-phase line-interactive Dynamic voltage Restorer, which is composed of an H-bridge inverter and super-capacitors. The operational feasibility was verified through computer simulations with PSCAD/EMTDC software, and experimental works with 3kVA prototype. The developed system can compensates the input voltage sag and interruption within 2ms, in which the maximum allowable duration of voltage interruption is 1.5 seconds. It can be effectively used to compensate the voltage interruption in the sensitive load, such as computer, communication equipment, automation equipment, and medical equipment. The developed system has a simple structure to be easily implemented with commercially available components and to be highly reliable in operation. |