Abstract
A method for calculating the zero-sequence mutual inductance of multi-circuit parallel transmission line on the same tower is proposed. It is pointed out that, the zero-sequence mutual inductance matrix is a set of independent parameters, based on which, the zero-sequence parameters of transmission line in different operation modes can be deduced by matrix transformation. Without the repeating experimental measurement, the proposed method simplifies significantly the acquisition of zero-sequence mutual inductance, which improves the work efficiency. Results of field test for a four-circuit parallel transmission line show its correctness and accuracy.
| Original language | English |
|---|---|
| Pages (from-to) | 94-99 |
| Number of pages | 6 |
| Journal | Dianli Zidonghua Shebei/Electric Power Automation Equipment |
| Volume | 33 |
| Issue number | 6 |
| DOIs | |
| State | Published - Jun 2013 |
| Externally published | Yes |
Keywords
- Electric grounding
- Electric lines
- Matrix transformation
- Multi-circuit parallel transmission line
- Relay protection
- Repair mode
- Zero-sequence mutual inductance
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