In this model, running state of transmission line is divided into four states, and calculation method of state probability, state frequency and state duration in balanced state are given.
该模型将输电线路的运行状态划分为四种状态，给出了每种平稳状态的状态概率、状态频率和状态持续时间的计算方法。
The simulation results show that the power factor approaches to 1 (0.99) at stable state, and the exciting current control method and switches table in four quadrants are correct.
仿真结果表明在稳态时功率因数接近于1（0.99），验证了给出的励磁电流的控制方法、四象限开关表的正确性。
In the first part of this paper, the present research state of rotor dynamics and four types of computation method are introduced.
本文第一章主要介绍转子振动问题的研究现状，以及四种典型的计算分析方法。
In the first part of this paper, the present research state of rotor dynamics and four types of computation method are introduced.
本文第一章主要介绍转子振动问题的研究现状，以及四种典型的计算分析方法。
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