Abstract
The sensitivity of power system stability (including transient and dynamic stabilities) to generator parameters (including parameters of generator model, excitation system and power system stabilizer) is analyzed in depth by simulations. From the tables and plots of the resultant simulated data, a number of useful rules are revealed. These rules can be directly applied to the engineering checking of generator parameters. Because the complex theoretical analyses are circumvented, the checking procedure is greatly simplified, remarkably promoting the working efficiency of electrical engineers on site.
Highlights
Generators are the most important component of power system, and the level of power system stability is closely related to generator parameters [1] [2], which include both the parameters of generator models and the parameters of excitation systems and power system stabilizers (PSS)
From plenty of simulation experiments, the sensitivity of power system stability to generator parameters is analyzed and illustrated in detail, and as a result some feasible and fast rules for testing and checking generator parameters are revealed and summarized, which can be directly adopted by the electrical engineers on site
This paper analyzes the sensitivity of power system stability to generator parameters, including the parameters of generator, excitation system and PSS from plenty of simulation experiments
Summary
Generators are the most important component of power system, and the level of power system stability is closely related to generator parameters [1] [2], which include both the parameters of generator models and the parameters of excitation systems and power system stabilizers (PSS). Testing and checking the correctness of generator parameters and the appropriateness of generator parameters’ combinations are very important tasks of electrical engineers prior to further analysis of power system stability. Strictly and accurately testing and checking generator parameters are impractical and impossible; because in modern bulk power system the number of generators. The electrical engineers at the electric power dispatching center really need a simple and practical method for testing and checking generator parameters quickly and efficiently. From plenty of simulation experiments, the sensitivity of power system stability (including transient stability and dynamic stability) to generator parameters is analyzed and illustrated in detail, and as a result some feasible and fast rules for testing and checking generator parameters are revealed and summarized, which can be directly adopted by the electrical engineers on site. Because the complex theoretical analyses are circumvented, the testing and checking procedure is greatly simplified so that the working efficiency of electrical engineers is greatly promoted
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