| 1. | Lfo low frequency oscillation
低频振荡信号 |
| 2. | Damping lower frequency oscillation in power system based on artificial intelligence
基于人工智能的电力系统低频振荡抑制 |
| 3. | In audio , a very low frequency oscillation often resulting from a positive feedback path in an amplifier system
在音响设备中出现的振荡频率极低的低频振荡，常因放大系统的正反馈回路引起。 |
| 4. | By means of eigen - analysis , this paper presented the careful research for the damping characteristic of low frequency oscillation in power system
本文基于特征值分析法，对电力系统低频振荡的阻尼特性问题进行了深入的研究。 |
| 5. | Power system is a complex dynamic system . this paper concentrates on the research of power system low frequency oscillation based on angle measurement technology
电力系统是一个复杂的动态系统，其振荡稳定问题一直是电力系统研究的热点问题。 |
| 6. | And the pss is utilized to damp the low frequency oscillation in power system of chongqing three gorges water conservancy and electric power co . this method was proved to be effective in practice
结合三峡水利电力公司电网的具体情况采用了pss来抑制系统的低频振荡，经实践证明效果显著。 |
| 7. | According to these theories we know the reason of the emergence of low frequency oscillation is lacking positive damping even appearing negative damping . this problem can be classified as dynamic stability
从而得出，电力系统低频振荡是由于系统正阻尼不足甚至产生负阻尼而引起的，可以将其归类为动态稳定问题。 |
| 8. | Low frequency oscillations among interconnected synchronous generators are phenomena inherent to power systems . the stability of these oscillations is of vital concern , and is a prerequisite for secure operation of power system
低频振荡是互联电力系统固有的现象，其振荡的稳定性是保障系统安全运行的先决条件，因此得到极大关注。 |
| 9. | With high practicability , a set of novel analysis methods and control strategies on low frequency oscillations in interconnected power grids is established by the research results of this dissertation
对测试系统和实际电网的分析结果表明，论文的研究成果具有良好的工程实用性，从而为互联系统低频振荡研究提供了新的分析方法和控制策略。 |
| 10. | By using wavelet and bandpass filter methods , the different characters of low frequency oscillation ( lfo ) of olr and wind field for eight anomalous flood / drought years in middle and low reaches of yangtze rivers during may - august are investigated
应用小波变换与带通滤波等方法分析了80年代以来长江中下游地区夏季8个典型旱涝年份的olr场、风场的低频特征及旱涝年位势高度场的差异。 |
