A short circuit analysis models the currents that flow in a power system under fault conditions and determines the prospective fault currents in the electrical power system. These fault currents must be calculated in order to adequately specify electrical apparatus’ withstand and interrupting ratings. The study results are also used to selectively coordinate time current characteristics of electrical protective devices.

The systematic short circuit study methodology begins by creating a system one-line diagram, thus defining all electrical characteristics of the power system. PCE utilize SKM Power*Tools for Windows and Paladin EDSA to undertake short circuit studies. The software calculates the currents for a fault at every bus or node bus within the system.

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