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Simulator 16 User Guide - PowerWorld

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Size of the system, given by the number of buses and the areas to be optimized. This is difficult to<br />

reduce since the optimization problem is normally defined for a certain region.<br />

Number of contingencies, which can be reduced by developing a contingency screening using peak<br />

loading conditions.<br />

Number of constraints (monitored elements), which can be reduced by selecting critical element,<br />

e.g. interfaces and higher voltage transmission lines.<br />

Number of time points in the list.<br />

Another mechanism to speed up the computation of the PF/OPF/SCOPF Time Step Simulation is to use<br />

DC solutions in some of the internal routines:<br />

AC or DC power flow<br />

AC or DC contingency analysis. This one will produce the larger time savings.<br />

AC or DC SCOPF<br />

©2011 <strong>PowerWorld</strong> Corporation<br />

1<strong>16</strong>9

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