VOLTAGE STABILITY ENHANCEMENT USING FACTS DEVICES | ||||
| JES. Journal of Engineering Sciences | ||||
| Article 11, Volume 40, No 5, September and October 2012, Page 1411-1433 PDF (206.04 K) | ||||
| Document Type: Research Paper | ||||
| DOI: 10.21608/jesaun.2012.114519 | ||||
 View on SCiNiTO | ||||
| Authors | ||||
| Gaber El-Saady1; Mohamed A. A. Wahab2; Mohamed M. Hamada2; M. F. Basheer3 | ||||
| 1Faculty of Engineering, Assiut University | ||||
| 2Faculty of Engineering, El-Minia University | ||||
| 3Ministry of Electricity and Energy. | ||||
| Abstract | ||||
| The aim of this paper is to investigate the enhancement of a steady state voltage stability via shunt and series FACTS devices namely, static synchronous compensator (STATCOM) and static synchronous series compensator (SSSC). In order to select the best locations of FACTS devices, a modal analysis is used to determine the weakest bus of the studied system, while the voltage stability proximity index under line outage contingencies is used to identify the critical lines. The analysis is preformed on IEEE 30 bus system. The proposed schemes are tested under different loading conditions. The simulation results demonstrate the feasibility and effectiveness of the proposed devices. Also, the results obtained allow concluding that the STATCOM shunt device improves the voltage stability margin better than the SSSC series device. | ||||
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