Table 5 Case study 1: Actual vs. estimated zero-sequence Thevenin impedance
From: Relay performance verification using fault event records
Event | Zero-sequence Thevenin Impedance (Ω) | |
|---|---|---|
Circuit model | Estimated | |
4 | 5.29 + j30.72 | 4.88 + j29.75 |
3 | 5.20 + j29.59 | |
2 | 5.17 + j29.70 | |
1 | 5.89 + j29.78 | |