Research Article
Application of Firefly Algorithm in Voltage Stability Environment Incorporating Circuit Element Model of SSSC with Variable Susceptance Model of SVC
Table 4
Average load bus voltage values in p.u.
| (a) For 14-bus system |
| | Cases | Preinsertion of FACTS | Postinsertion of FACTS | | FA | SFLA | DE | PSO |
| | Case 1 | 1.0438 | 1.0517 | 1.0494 | 1.0483 | 1.0460 | | Case 2 | 0.9890 | 1.0082 | 1.0013 | 1.0051 | 0.9966 | | Case 3 | 1.0243 | 1.0409 | 1.0363 | 1.0331 | 1.0308 |
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| (b) For 30-bus system |
| | Cases | Preinsertion of FACTS | Postinsertion of FACTS | | FA | SFLA | DE | PSO |
| | Case 1 | 1.0260 | 1.0296 | 1.0306 | 1.0288 | 1.0265 | | Case 2 | 0.9520 | 0.9961 | 0.9664 | 0.9626 | 0.9602 | | Case 3 | 1.0109 | 1.0380 | 1.0108 | 1.0298 | 1.0222 |
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