リアプノフ関数を用いた電力系統のオンライン過渡安定度評価の一手法
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概要
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The power system stability problem has been one of the major subjects concerning power system engineering, and is becoming much more significant today in accordance with increasing size and complexity of interconnected power systems. In this problem, it is well known that the direct method of Lyapunov is the most suitable method of on-line transient stability estimation for power systems, and several different techniques have been proposed for the construction of Lyapunov functions up to this time. However, the effectiveness of these Lyapunov functions for power systems have been demonstrated using only digital computer simulations.The purpose of this paper is to construct microprocessor-based on-line transient stability estimation system using Lyapunov function constructed by the Lagrange-Charpit method and estimate the transient stability of a microalternator connected to a large system. The experimental results show that this system can act satisfactorily for estimating the transient stability of the power system.
- 一般社団法人 電気学会の論文