Power Systems, 3rd Edition

4

Fault Analysis in Power Systems

Charles A. Gross

Auburn University

4.1    Simplifications in the System Model

4.2    The Four Basic Fault Types

The Balanced Three-Phase Fault • The Single Phase-to-Ground Fault • The Phase-to-Phase Fault • The Double Phase-to-Ground Fault

4.3    An Example Fault Study

Balanced Three-Phase Fault • Single Phase-to-Ground Fault

4.4    Further Considerations

4.5    Summary

4.6    Defining Terms

References

Further Information

A fault in an electrical power system is the unintentional and undesirable creation of a conducting path (a short circuit) or a blockage of current (an open circuit). The short-circuit fault is typically the most common and is usually implied when most people use the term fault. We restrict ...