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Power System Security Analysis With Renewable Energy ... - IIT Mandi

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Mathematical Model of Various Elements<br />

• Transmission line - nominal equivalent π model is used<br />

• Transformers - equivalent π model is used<br />

⎧A<br />

=<br />

⎪<br />

⎨B<br />

=<br />

⎪<br />

⎩C<br />

=<br />

y<br />

12<br />

/ a<br />

(1/ a −1)<br />

⋅ y<br />

(1 −1/<br />

a).<br />

y<br />

12<br />

12<br />

/ a<br />

• Loads - constant power model<br />

• Generators - real and reactive power output l

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