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## Analysis of Unsymmetrical Faults

For the analysis of unsymmetrical faults in the power system network, we require sequence impedance and sequence network concept along with the symmetrical components. The analysis problem will involve positive,…

## Unsymmetrical Faults

The types of faults occurring in power systems are symmetrical and unsymmetrical faults. The unsymmetrical fault is the type of fault in which the three-phase line of the system becomes…

## Formation of Sequence Networks

Here we will discuss the formation of sequence networks in the power system. Computation of unsymmetrical faults in power systems requires knowledge of sequence networks. Load studies require knowledge of…

## Sequence Impedance and Network of Power System Elements

To determine the performance or behavior of a power system under unbalanced conditions it is essential to know sequence impedance and network of power system elements. This is a piece…

## Sequence Impedance and Networks of Transformer

The transformer is a static device where there is no mutual coupling between the sequence networks. The positive and the negative sequence impedance of the transformer is equal to its…

## Sequence Impedance and Sequence Network

To determine the performance or behavior of the power system under the unbalanced condition it is essential to know the impedances offered by the different power system elements. The impedance…

## Symmetrical Components

Symmetrical components are an approach to solve problems on unbalanced polyphase systems. CL Fortesque purposed this method in 1918. According to the Fortesque theorem, any three-phase unbalanced system quantities (such…