English translation for "电网频率"
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- line frequency
Related Translations:
南方电网: china southern power grid 电网技术: power system technology 三相电网: three-phase network
- Example Sentences:
| 1. | Based on orthogonal transform , a new method of tracking power grids frequency has been provided
摘要基于正交变换，提出了一种新的电网频率跟踪方法。 | | 2. | Because the fundamental frequency of power system is not invariable , it needs to be tracked and measured
由于电网的基波频率并非始终不变的，因此需要对实际的电网频率进行跟踪检测。 | | 3. | The main contents are as follows : 1 . analyze and calculate the influence on network frequency and power flows on tie line when 660mw generator unit trips out from hbpn
主要工作如下： ( 1 )分析并计算河北南网在发生660mw机组掉闸时，对电网频率和联络线潮流等方面造成的影响。 | | 4. | Therefore , the paper mainly discusses the pluses and minuses of the multifarious frequency estimation algorithms , and develops an adaptive method of evaluation on dft for power system frequency , which is based on the equal - angle sampling principle
因此，本文着重论述了历史上各种频率测量算法的优缺点，并在自适应调整采样率的等角度采样原则的基础上，提出了一种基于dft的电网频率测量的自适应估计算法。 | | 5. | The widely applications of nonlinear instruments have produced many high order harmonics , they are flowing into the power network and greatly influence the quality of electric power . and the frequency is n ' t constant but changed around 50hz
电网中非线性设备的使用日益增多，所产生的高次谐波电流大量注入电力线路中，使得电网电压、电流波形发生畸变，同时电网频率并不是固定不变的，而是在50hz附近波动。 | | 6. | An algorithm that can extract harmonics " amplitudes using morlet wavelets is put forward . compared with the full - wave fourier algorithm , the algorithm proposed in this article is more stable when the frequency of electric network flutters . meanwhile the algorithm has the rapidity of giving out the
在电网频率波动情况下，通过比较说明短窗morlet复小波算法在频率波动过程中具有比傅氏算法更稳定的特点，同时也可以达到1 3周波内完成的快速性。 | | 7. | Simulations with respect to two models , prove that the method can track the frequency accurately and instantly , and have the preferable effectiveness on the abruptly fluctuating - frequency power signals , at the same time , this method overcomes the constraint of synchronous sampling and has the better astringency with different initial frequency
针对两种模型进行仿真，表明该方法能够较为精确与快速地跟踪电网频率，尤其针对突变频率的信号，具有较好的跟踪效果；同时算法克服了同步采样条件的限制，通过迭代，在不同初始频率下均具有较好的收敛性。 | | 8. | Secondly , because of the faultiness of these algorithmic routines of dissipation factor in existence , this dissertation puts forward an improved correlation function algorithm based on wavelet analysis , and the improved algorithm focuses on two lesding aspects : one is the methods to reduce noise and distill the fundamental , the other is the means to reduce the errors resulted by frequency fluctuating
其次针对现有介损计算方法的不足,提出了一种基于小波变换理论的改进相关函数法的介质损耗值计算方法,主要从去噪、提取基波的方法以及降低由于电网频率波动所造成的误差两个方面来考虑。并对此方法进行了仿真分析和验证了改进算法的优越性。 | | 9. | Concerning the problem of the frequency instability , slight but not negligible , in electric power system , this paper discusses the resultant error in measurement in detail and develops an error - correction interpolated algorithm in frequency domain . taking advantage of the high calculating speed of pc , the measurement error in frequency , amplitude , and phase are well eliminated
本文针对电网频率轻微但不可忽视的不稳定造成的测量误差问题进行了详细的讨论，形成了一套在频域实现误差校正的方法?插值算法，并利用pc机高速的数据处理能力软件校正了各次谐波的频率、幅值及相位。 | | 10. | Accompanying power system reformation , chongqing power network will be merged into the middle china power network . according to national " power attempt communicating center assessing measure , chongqing power network modulates not only network frequency but also the power of chuan yu - the middle china network alliance line
伴随着电力体制改革的推进，重庆电网即将并入华中电网，按照国家电力调度通信中心颁发的考核办法，重庆电网既要承担调整电网频率的任务，又要承担调整川渝?华中电网联络线功率的任务。 |
- Similar Words：
- "电网路定律" English translation, "电网络" English translation, "电网络倒易定理" English translation, "电网络分析器" English translation, "电网络模型" English translation, "电网失电" English translation, "电网事故报警器" English translation, "电网系统" English translation, "电网渔法" English translation, "电网主控继电器" English translation
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