The Diagnostic Method for Open-Circuit Faults in Inverters Based on Extended State Observer

<table class="table-group" id="tab5"><tr><td><table class="table"><tr><td class="thead-hr" colspan="2"><hr/></td></tr><tr class="thead"><td class="align_left">Description</td><td class="align_center">Value</td></tr><tr><td class="thead-hr" colspan="2"><hr/></td></tr><tr><td class="align_left">Frequency f</td><td class="align_center">50 Hz</td></tr><tr><td class="align_left">DC side voltage Udc</td><td class="align_center">360V</td></tr><tr><td class="align_left">Stator resistance Rs</td><td class="align_center">0.435 Ω</td></tr><tr><td class="align_left">Rotor resistance Rr</td><td class="align_center">0.816 Ω</td></tr><tr><td class="align_left">Stator leakage inductance Lls</td><td class="align_center">4 mH</td></tr><tr><td class="align_left">Rotor leakage inductance Lrs</td><td class="align_center">2 mH</td></tr><tr><td class="align_left">Mutual inductance Lm</td><td class="align_center">69.31 mH</td></tr><tr><td class="align_left">Pole pair p</td><td class="align_center">2</td></tr><tr><td class="align_left">Moment of inertia J</td><td class="align_center">0.089 kg·m2</td></tr><tr class="table-tr"><td colspan="2"><hr class="tbody-hr"/></td></tr></table></td></tr></table>

<div>The inverter system parameters.</div>

Mathematical Problems in Engineering

tab5

Table 5

Table 5: The Diagnostic Method for Open-Circuit Faults in Inverters Based on Extended State Observer 