Locating Natural Frequency Faults in HVDC Transmission Systems Based on the Rotation-Invariant Technology Signal Parameter Estimation Algorithm and the Total Least Squares Method

<table class="table-group" id="tab1"><tr><td><table class="table"><tr><td class="thead-hr" colspan="2"><hr/></td></tr><tr class="thead"><td class="align_left">Physical quantity</td><td class="align_center">Parameter</td></tr><tr><td class="thead-hr" colspan="2"><hr/></td></tr><tr><td class="align_left">Resistance</td><td class="align_center">0.015 Ω<b>·</b>km<sup>−1</sup></td></tr><tr><td class="align_left">Inductance</td><td class="align_center">0.792 mH<b>·</b>km<sup>−1</sup></td></tr><tr><td class="align_left">Capacitance</td><td class="align_center">14.4 nF<b>·</b>km<sup>−1</sup></td></tr><tr><td class="align_left">Smoothing reactor inductance</td><td class="align_center">0.5 H</td></tr><tr><td class="align_left">AC filter</td><td class="align_center">50 Hz; 40 Mvar</td></tr><tr class="table-tr"><td colspan="2"><hr class="tbody-hr"/></td></tr></table></td></tr></table>

Mathematical Problems in Engineering

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Table 1

Table 1: Locating Natural Frequency Faults in HVDC Transmission Systems Based on the Rotation-Invariant Technology Signal Parameter Estimation Algorithm and the Total Least Squares Method 

Table 1 | Locating Natural Frequency Faults in HVDC Transmission Systems Based on the Rotation-Invariant Technology Signal Parameter Estimation Algorithm and the Total Least Squares Method 