For example, power flow, reactive power compensation, voltage stability, frequency stability, and analysis of long terms dynamic process.

比如，潮流计算、无功补偿规划、电压稳定、频率稳定及长期动态过程的分析等。

youdao

In order to obtain the dynamic model of the process to be used by robust PID, closed-loop model identification algorithm in frequency domain is researched.

为了获得鲁棒pid参数整定所需的过程模型，进行了闭环频域模型辨识的研究。

youdao

Then the characteristics of frequency variation during the fatigue crack propagation process are simulated by three - dimensional dynamic finite element analysis.

并利用三维动态有限元模拟了点焊接头疲劳裂纹扩展过程中频率变化特性。

youdao