If for a plant i with output P_{1 }and loss in the system being P_{L} increases, the penalty factor of the system
Penalty factor of the system is
The incremental fuel costs of two plants are given by
For economic schedule of a load of 180 MW
For economic scheduling of plants, we have:
A generator is supplying a load. An incremental change in load of 4 MW requires generation to be increased by 6 MW. The cost at plant bus is ₹ 30/MWhr. The incremental cost at the receiving end is
The current distribution factors for the power system network shown below are given by
Since the load is at plant 2 therefore,
Na_{2} = 0 and Na_{1} = 1
The incremental transmission loss of a plant can’t be a
The incremental transmission loss of a plant can be positive, a nonzero value but, can’t be zero.
When generating units are loaded to equal incremental costs, it results in
To minimize the total fuel cost, the generating units must operate at equal incremental cost of production.
Unit of heat rate curve is
Unit of λ is
Cost curves are expressed as:
The optimization problem is
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