Research Article
Reducing Fault Current by Using FACTS Devices to Improve Electrical Power Flow
Table 1
Effect of FACTS devices in peak fault current for different faults in Bus 6.
| Fault type | Bus ID | Without FACTS (A in RMS) | SSSC (A in RMS) | STATCOM (A in RMS) | UPFC (A in RMS) |
| Three-phase fault | Bus 1 | 7210 | 7180 | 6518 | 6500 | Bus 2 | 5515 | 5510 | 4662 | 4540 | Bus 3 | 4377 | 4386 | 4041 | 4090 | Load A | 172 | 170 | 160 | 157 | Load B | 237 | 237 | 226 | 224 | Load C | 665 | 675 | 592 | 553 |
| Single line to ground fault | Bus 1 | 6138 | 5405 | 5350 | 5335 | Bus 2 | 6202 | 5985 | 5970 | 6090 | Bus 3 | 4754 | 4598 | 4335 | 4396 | Load A | 247 | 245 | 218 | 218 | Load B | 364 | 370 | 346 | 350 | Load C | 236 | 251 | 204 | 212 |
| Double line to ground fault | Bus 1 | 7706 | 7598 | 7600 | 7595 | Bus 2 | 6596 | 6681 | 6550 | 6530 | Bus 3 | 5258 | 5337 | 5180 | 5184 | Load A | 181 | 185 | 165 | 153 | Load B | 263 | 269 | 249 | 242 | Load C | 569 | 571 | 506 | 505 |
| Line to line fault | Bus 1 | 7831 | 7632 | 7249 | 7268 | Bus 2 | 6982 | 6860 | 5980 | 6356 | Bus 3 | 5556 | 5428 | 4515 | 5178 | Load A | 183 | 180 | 165 | 160 | Load B | 272 | 272 | 251 | 252 | Load C | 562 | 567 | 519 | 515 |
|
|