Abstract
Several types of power-system simulations are de scribed in this paper. Long-term simulations, transient stability studies, and electrical transient and subsynchronous resonance studies are singled out as especially important classes of power-system simulations.
The mathematical requirements for carrying out sim plified transient stability simulations of power systems are described in detail. Full-scale simula tions require the simultaneous solution of an elaborate set of differential and transcendental algebraic equations. At present such simulations are time-consuming and costly. This paper discusses several techniques for improving the efficiency of digital programs for this kind of simulation.
Further increases in efficiency are still required. Current research in this area is outlined. A large number of related subjects are touched upon, and a list of references is included to help the interested reader.
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