Table 4 Verification of Fault Detection algorithm in WSCC Nine Bus System
From: Robust fault analysis in transmission lines using Synchrophasor measurements
Fault Detection | ||||||||||||||
Fault Created | V1− (kV) | IMax+(kA) | Are all of (V1−, V2−, V3−,V4−,V5−, V6−,V7−,V8−,V9−) > 0 (or) IMax+ > τB | I14− (kA) | I27− (kA) | I93− (kA) | I46− (kA) | I54− (kA) | I69− (kA) | I78− (kA) | I75− (kA) | I98− (kA) | IMax− = max(I14−, I27−, I93−, I46−, I54−, I69−, I78−, I75−, I98−) | IMax+ > τB (or) IMax− > τi (Y – Fault, N – Unbalanced Loading) |
Unbalanced Load at Bus 1 | 2.05 | 0.83 | Y | 0.01 | 0.01 | 0.01 | 0.01 | 0.01 | 0.01 | 0.01 | 0.01 | 0.01 | 0.01 | N |
No Fault | 0.00 | 0.873 | N | – | – | – | – | – | – | – | – | – | – | – |