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Simulator 16 User Guide - PowerWorld

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Integrated Topology Processing: Incremental Topology Processing<br />

Incremental Topology Processing is a technique used to update the Consolidated Representation of the<br />

system in a very fast manner. It is particularly useful during Contingency Analysis, where it does the<br />

following:<br />

Consolidate entire case<br />

For each contingency do<br />

End<br />

Apply switching device actions and identify subnets with changed topology<br />

Expand affected subnets to full-topology detail<br />

Reconsolidate affected subnets with post-contingency topology<br />

Solve post-contingency power flow<br />

Determine and store limit violations<br />

Reset affected subnets to pre-contingency topology<br />

Restore pre-contingency power system state<br />

Deconsolidate entire case<br />

Incremental Topology Processing is very fast, taking on the order of a few milliseconds.<br />

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

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