建立了电力系统稳定计算用汽轮机及调速系统的数学模型并对其进行了适当的简化。
The mathematical models of turbine governor are established and simplified for the stability calculation of power system.
福建电网的在线稳定控制系统进行稳定计算时需要华东电网的实时动态等值模型。
Stability calculation of the on-line stability control system of Fujian power system requires the real-time dynamic equivalence model of East China power grid.
结合当前电力系统的实际需要，提出了稳定计算用励磁系统数学模型仿真建模及参数校核方法。
The simulation modeling method of excitation system for stability calculation and the check method of parameters are proposed based on the current need of power system.
为提高稳定计算的效率，对复杂的电力系统模型进行化简，以实现系统化降阶非常必要。
For improving the efficiency of power system stability analysis, it is necessary to study two time scale dynamic models of power systems and relevant model reduction.
其次，通过对发生单重和多重故障时的暂态稳定计算，研究了作为多回直流受端系统的广东电网在发生直流双极闭锁故障时的运行稳定性问题。
Second, by means of the transient stability calculation for single and multiple faults, the stability of Guangdong power grid as a multiinfeed AC/DC power system is studied.
系统主要包括以下几方面的功能：电力系统图的自由生成，潮流计算及稳定计算的友好数据输入输出界面，基于ANN的暂态稳定评估系统。
The functions of the software are as follows: free creation of power system, GUI of load flow calculation and transient stability calculation, transient stability evaluation based on ANN.
建立了SVC系统的数学模型，分析了闭环控制系统的稳定性条件，整定计算了PI调节器的参数。
The mathematical model of SVC system was established, the stability conditions of close-loop control system were analyzed, and the parameters of PI regulator were adjusted.
建立了SVC系统的数学模型，分析了闭环控制系统的稳定性条件，整定计算了PI调节器的参数。
The mathematical model of SVC system was established, the stability conditions of close-loop control system were analyzed, and the parameters of PI regulator were adjusted.
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