Question

For the accurate load flow calculations on a large power system, the best method is

Answer 1

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Answer 2

Answer:

For the accurate load flow calculations on a large power system, the best method is N-R method.

Explanation:

The Newton Raphson Method is referred to as one of the most commonly used techniques for finding the roots of given equations. It can be efficiently generalised to find solutions to a system of equations.

Advantages of N-R method:

1.  Because there are fewer iterations, the convergence is quick.

2. The selection of slack bus has no impact on convergence.

3. There is no need of accelerating factor.

4. It is applicable for large power system network.

Disadvantages of N-R method:  

1. If the Jacobian matrix is larger, it takes longer to complete each iteration

2. More memory is needed on the computer.

3.  The Computer programming is difficult.

Hence the N-R method is the best method.

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