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| Content Provider | IET Digital Library |
|---|---|
| Author | Pineda, Julia T. R. Kurokawa, Sérgio |
| Abstract | The accuracy of transmission line parameters (TLPs) allows the proper response to faults or load variations and the monitoring of common fault indicators, such as the conductor's temperature and sag. TLP estimation methodologies based on modal decomposition theory are restricted to specific tower configurations in which the transmission line transformation matrix is known. This paper proposes a non-linear system of equations to estimate the parameters of a generic three-phase transmission line while using modal-phase relations for an unknown transformation matrix and known voltages and current phasors at the terminals of the line. The Newton–Raphson (NR) method is implemented to solve this proposed system of equations and accurately estimate the TLPs. The relative error of the estimated parameters shows the methods’ accuracy and the influence of the line representation as lumped elements. The results demonstrate the robustness and efficiency of the proposed method for transmission lines of different lengths. |
| Starting Page | 684 |
| Ending Page | 691 |
| Page Count | 8 |
| ISSN | 17518822 |
| Volume Number | 13 |
| e-ISSN | 17518830 |
| Issue Number | Issue 5, Jul (2019) |
| Alternate Webpage(s) | https://digital-library.theiet.org/content/journals/iet-smt/13/5 |
| Alternate Webpage(s) | https://digital-library.theiet.org/content/journals/10.1049/iet-smt.2018.5428 |
| Journal | IET Science, Measurement & Technology |
| Publisher Date | 2019-02-20 |
| Access Restriction | Open |
| Rights Holder | © The Institution of Engineering and Technology |
| Subject Keyword | Common Fault Indicators Estimated Parameter Interpolation And Function Approximation Line Representation Linear Algebra Matrix Algebra Modal Decomposition Theory Modal-phase Domain Relations Modal-phase Relations Network And Transmission Line Calculations Newton-Raphson Method Numerical Analysis Power Transmission Cables Power Transmission Fault Power Transmission Line Relative Error Specific Tower Configurations Statistics Three-phase Transmission Line TLP Estimation Methodologies TLPs Transformation Matrix Transmission Line Transmission Line Matrix Method Transmission Line Parameter Transmission Line Transformation Matrix |
| Content Type | Text |
| Resource Type | Article |
| Subject | Atomic and Molecular Physics, and Optics Electrical and Electronic Engineering |
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