Abstract

This chapter provides an introduction to the most basic techniques implemented in the Alternative Transients Program for simulating electromagnetic transients in power systems and the dynamic behaviour of control systems. A tool for simulating the behaviour of a power system during a transient phenomenon must also include capabilities for calculating the steady‐state solution prior to the beginning of the transient. The chapter summarizes solution techniques for the computation of electromagnetic transients using single‐phase representations, solutions to the numerical oscillations produced by the trapezoidal rule, methods to obtain initial steady‐state solutions, and procedures to solve control systems and the interface between power networks and control systems. Software packages offer high levels of modelling and simulation capabilities for studying electromagnetic and electromechanical transients. The chapter summarizes the techniques implemented in ATP and other transients tools for solving transient phenomena in power systems.

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