WECC Frequency Contour for Opening Palo Verde 1 and 2 6 Seconds of Simulation Thomas J. Overbye Fox Family Professor of Electrical and Computer Eng University of Illinois at Urbana-Champaign

Pre-Loss of Generation 2

0.2 Seconds after Contingency

0.4 Seconds after Contingency

0.6 Seconds after Contingency

0.8 Seconds after Contingency

1.0 Seconds after Contingency

1.2 Seconds after Contingency

1.4 Seconds after Contingency

1.6 Seconds after Contingency

1.8 Seconds after Contingency

2.0 Seconds after Contingency

2.2 Seconds after Contingency

2.4 Seconds after Contingency

2.6 Seconds after Contingency

2.8 Seconds after Contingency

3.0 Seconds after Contingency

3.2 Seconds after Contingency

3.4 Seconds after Contingency

3.6 Seconds after Contingency

3.8 Seconds after Contingency

4.0 Seconds after Contingency

4.2 Seconds after Contingency

4.4 Seconds after Contingency

4.6 Seconds after Contingency

4.8 Seconds after Contingency

5.0 Seconds after Contingency

5.2 Seconds after Contingency

5.4 Seconds after Contingency

5.6 Seconds after Contingency

5.8 Seconds after Contingency

6.0 Seconds after Contingency