Research Article
Application of Firefly Algorithm in Voltage Stability Environment Incorporating Circuit Element Model of SSSC with Variable Susceptance Model of SVC
Table 7
Best location and size of FACTS devices.
| (a) For 14-bus system |
| | Cases | Series | Shunt | | | Location
(line number) | Size (degrees of
compensation) | Location
(bus number) | Size
(MVar) |
| | Case 1 | FA | 10 | | 5 | 7.2015 | | SFLA | 4 | | 12 | 8.6554 | | DE | 15 | | 10 | 6.9988 | | PSO | 3 | | 12 | 8.3037 |
| | Case 2 | FA | 12 | | 13 | 11.211 | | SFLA | 1 | | 11 | 10.6217 | | DE | 9 | | 12 | 9.9654 | | PSO | 11 | | 10 | 7.2510 |
| | Case 3 | FA | 12 | | 13 | 9.6817 | | SFLA | 10 | | 5 | 10.6528 | | DE | 2 | | 11 | 8.9207 | | PSO | 7 | | 10 | 11.4368 |
|
|
| (b) For 30-bus system |
| | Cases | Series | Shunt | | | Location
(line number) | Size (degrees of
compensation) | Location
(bus number) | Size
(MVar) |
| | Case 1 | FA | 5 | | 12 | 8.6962 | | SFLA | 1 | | 19 | 6.9688 | | DE | 6 | | 20 | 5.8131 | | PSO | 12 | | 23 | 15.0806 |
| | Case 2 | FA | 6 | | 17 | 9.0607 | | SFLA | 9 | | 21 | 14.1058 | | DE | 5 | | 30 | 6.2554 | | PSO | 8 | | 18 | 19.0106 |
| | Case 3 | FA | 11 | | 26 | 8.0115 | | SFLA | 9 | | 28 | 6.7499 | | DE | 6 | | 25 | 5.8559 | | PSO | 8 | | 3 | 18.2640 |
|
|
