Performance of sequence directional elements on MOV protected series compensated transmission lines
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Bibliographic record
Abstract
Abstract Performance of positive and negative sequence directional elements applied to MOV (metal oxide varistor) protected series compensated transmission lines with the relay voltages measured at the line side of the capacitors is investigated in this paper. Both elements basically measure the negative of the equivalent impedance behind the relay for forward faults and the line impedance plus the impedance of the remote source for reverse faults. During faults, the equivalent impedance of MOV/series capacitor combination is generally different for each of the three phases, causing mutual coupling of the sequence components, which may affect accurate impedance measurement. Simulation results indicate that mutual coupling in the sequence domain does not significantly affect the performance of the sequence directional elements on loaded systems.
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| Category | Codex | Gemma |
|---|---|---|
| Metaresearch | 0.000 | 0.000 |
| Meta-epidemiology (narrow) | 0.000 | 0.000 |
| Meta-epidemiology (broad) | 0.000 | 0.000 |
| Bibliometrics | 0.000 | 0.001 |
| Science and technology studies | 0.000 | 0.000 |
| Scholarly communication | 0.000 | 0.000 |
| Open science | 0.000 | 0.000 |
| Research integrity | 0.000 | 0.000 |
| Insufficient payload (model declined to judge) | 0.000 | 0.000 |
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