Repeat Problem 12.12 except first double the (mathrm{H}) value for each of the machines. This can be

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Repeat Problem 12.12 except first double the \(\mathrm{H}\) value for each of the machines. This can be most easily accomplished by selecting Stability Case Info, Transient Stability Case Summary to view the summary form. Right click on the line corresponding to the Machine Model class, and then select Show Dialog to view an editable form of the model parameters. Compare the magnitude and time of the largest bus frequency deviations between Problem 12.12 and 12.11.

Data From Problem 12.11:-

Open PowerWorld Simulator case Problem 12.11, which includes a transient stability representation of the system from Example 6.13. Each generator is modeled using a two-axis machine model, an IEEE Type 1 exciter and a TGOV1 governor with \(\mathrm{R}=0.05\) per unit (a summary of the generator models is available by selecting either Stability Case Info, Transient Stability Generator Summary which includes the generator MVA base, or Stability Case Info, Transient Stability Case Summary). The contingency is the loss of the generator at bus 50 , which initially has \(42.1 \mathrm{MW}\) of generation. Analytically determine the steady-state frequency error in \(\mathrm{Hz}\) following this contingency. Use PowerWorld Simulator to confirm this result; also determine the magnitude and time of the largest bus frequency deviation.

Data From Example 6.13:-

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Figure 6.6:-

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Power System Analysis And Design

ISBN: 9781111425777

5th Edition

Authors: J Duncan Glover, Mulukutla S Sarma, Thomas Overbye

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