Energy Near-Optimal Control Strategies for Industrial and Traction Drives with a.c. Motors

<table class="table-group" id="tab3"><tr><td><table class="table"><tr><td class="thead-hr" colspan="5"><hr/></td></tr><tr class="thead"><td class="align_left">Position control</td><td class="align_center">Energy optimal</td><td class="align_center">Trapezoidal speed profile</td><td class="align_center">Stator current as adhesion limit</td><td class="align_center">Triangular speed profile</td></tr><tr><td class="thead-hr" colspan="5"><hr/></td></tr><tr><td class="align_left">Consumption of energy [Wh]</td><td class="align_center">767.56</td><td class="align_center">790.54</td><td class="align_center">1112.14</td><td class="align_center">829.07</td></tr><tr><td class="align_left">Difference in consumption in [%]</td><td class="align_center">100.00</td><td class="align_center">102.99</td><td class="align_center">144.89</td><td class="align_center">108.01</td></tr><tr class="table-tr"><td colspan="5"><hr class="tbody-hr"/></td></tr></table></td></tr><tr class="table-fn"><td>Evaluation in percentage is related to the consumption of energy optimal control.<br/></td></tr></table>

Energy consumption of all four investigated position control strategies for 420 kW traction drive.

Mathematical Problems in Engineering

tab3

Table 3

Table 3: Energy Near-Optimal Control Strategies for Industrial and Traction Drives with a.c. Motors 