Correct Answer :
22.1
Solution :
The correct answer is 22.1.
1. System Parameters and Formulas:
From the given problem description and the system diagram:
2. Generator 1 Optimization:
The coordination equation for Generator 1 is:
Since does not depend on , we have . Therefore:
Differentiating with respect to :
Solving for :
3. Optimal Generation of Generator 2:
Under optimal operation, we utilize the power balance relation to find :
Substituting the known values:
Expanding and rearranging the terms leads to the optimal value of which aligns with the target transmission loss value.
4. Calculation of Real Power Loss:
Using the generator's active power output, the real power loss is evaluated as:
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