8 Network equivalents and practical short-circuit current assessments in large-scale ac power systems
8.1 General
In this chapter, we discuss some of the practical issues faced by power system engineers engaged in short-circuit current assessment. We will present methods for the derivation of practical power system equivalents and describe how generation plant, power transmission and distribution networks may be represented in large-scale system studies. Some factors that maximise the calculated short-circuit current magnitudes are discussed as well as the range of uncertainties faced when making such calculations.
An introduction to the subject of probabilistic analysis of ac and dc short-circuit currents is presented, and finally an introduction ...
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