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This mock test of Optimal Power System Operation of Power Systems for Electrical Engineering (EE) helps you for every Electrical Engineering (EE) entrance exam.
This contains 10 Multiple Choice Questions for Electrical Engineering (EE) Optimal Power System Operation of Power Systems (mcq) to study with solutions a complete question bank.
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QUESTION: 1

If for a plant i with output P_{1 }and loss in the system being P_{L} increases, the penalty factor of the system

Solution:

Penalty factor of the system is

QUESTION: 2

The incremental fuel costs of two plants are given by

For economic schedule of a load of 180 MW

Solution:

For economic scheduling of plants, we have:

QUESTION: 3

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

Solution:

QUESTION: 4

The current distribution factors for the power system network shown below are given by

Solution:

Since the load is at plant 2 therefore,

Na_{2} = 0 and Na_{1} = 1

QUESTION: 5

The incremental transmission loss of a plant can’t be a

Solution:

The incremental transmission loss of a plant can be positive, a non-zero value but, can’t be zero.

QUESTION: 6

When generating units are loaded to equal incremental costs, it results in

Solution:

To minimize the total fuel cost, the generating units must operate at equal incremental cost of production.

QUESTION: 7

Unit of heat rate curve is

Solution:

QUESTION: 8

Unit of λ is

Solution:

QUESTION: 9

Cost curves are expressed as:

Solution:

QUESTION: 10

The optimization problem is

Solution:

### Optimal Power Flow

Doc | 2 Pages

### AC Power Supply System, Power Systems, Electrical Engineering, GATE

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