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 |
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(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 |
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