phasor造句
例句与造句
- This paper presents exerting the gps phasor measur ement to the electrical power system state estimation in order to improve the precision and computing rate
本文研究的就是gps功角测量技术应用于电力系统状态估计，以期提高估计精度和计算速度。 - However , these phasor of generators should be messured at the same time and with the same reference . these urge us to research phasor measurement unit
而且，这些发电机的功角必须在同一时刻下测量，必须有相同的参考基准。这些都促使我们进行功角测量装置( pmu )的研制。 - The paper validate the efficiency of the and detection used in phasor detection . it analysis the law of phasor error ' change . the all calculations are testified with matlab
分析了这两种情况下状态估计的精度和速度，并以计算实例比较了几种情况下的计算耗时和估计误差。 - The sinusoidal voltage and current distribution on the line of each frequency component is obtained by the phasor equation for the transmission line and the source and load impedances
将传输线上不同位置电压及电流之频谱以快速富氏反转换即得传输线上不同位置之近似电压及电流脉波。 - The time harmonic voltage and current wave propagation along a transmission line can readily be transferred from frequency domain voltage and current phasor distribution along the line
由传输线上电压及电流沿线分布之频域相量，可转换为传输线上各频率成份弦波电压及电流沿线之时域传播。 - It's difficult to find phasor in a sentence. 用phasor造句挺难的
- The paper presents a lot of data collected from the fictitious device running , along with three analytical algorithms , namely phasor calculation , harmonic analysis , and comfirmation of failure phase
摘要文章阐述了在电力系统故障时如何用虚拟仪器记录大量数据和对其分析处理的三类算法：相量计算、谐波分析和故障相判别。 - With dynamic phasor method it deduces the mathematical models of traditional power components , e . g . , generator and transmission line , and points out that these models are the same to those obtaned by park transformer in the rorm
采用动态相量法推导了电力系统基本元件如发电机、输电线的模型，并指出其与park变换所得到的模型是一致的。 - The non uniform variation along the line of the input impedance calculated from phasor voltage to current ratio is conformed with that calculated from the phasor ratio of one plus the reflection and one minus reflection along the line
数值验证，由驻波电压与驻波电流之相量比及由沿传输线一加反射与一减反射相量比计算所得之输入阻抗，沿传输线之不均匀变化是一致的。 - It deduces the state estimation equation with phasor measurement . considering the cases that look the phasor measurement as a reliable measurement or as a doubtful measurement . the paper analysis the rate and the precision of the state estimation
论文中推导了引入功角以后的状态估计方程，考虑了将功角量测量作为完全可信和不完全可信两种量测量加入到状态估计方程中。 - The stability problem becomes more and more serious . with the pmu ( phasor measurement units ) based on gps ( globe position system ) , the phase angle of power system is measured , so dynamic behavior of the system is monitored and controlled
基于gps的电网动态安全稳定监视与控制系统的研究和应用是当前电力系统自动化领域的前沿课题，它对于提高电网安全稳定运行的水平具有十分重大的理论和实际意义。 - The paper presents another definition of dynamic phasor , i . e . , dynamic phasor . based on park transformer and points out the relationship between dynaxnic phasor based on park transformer and dynarnic phasor based on fourier coefficient which is deflned by another person
本文提出了park变换意义下动态相量的概念，并指出park变换意义下的动态相量与前人所定义的动态相量，即傅立叶系数意义下的动态相量之间的关系。 - After investigating the relationship between generator measuring speed pulse and its on - load voltage at phase a , it is proposed in the thesis that we can obtained phasor of generators through messuring dividing frequency signal of generator measuring speed pulse
我们研究了发电机测速脉冲和其a相空载电势相位的关系，提出了只需测量与发电机同轴的测速发电机发出的测速脉冲的分频信号，经过计算就可以得出发电机相角的测量方法。 - The phasor measurement technology based on gps is introduced briefly . and how to add these phasor measurements into state estimation is analysed from several aspects . the state estimation differences between based on phasor measurements and conventional scada are given
简要介绍了基于gps的相角测量技术，从几个方面分析了如何将pmu测得的相角量测量加入到状态估计中，并比较了加入相角量测量后的状态估计与传统状态估计的不同。 - After comparing several analog and digital generation methods of lfm signal , this paper confirms the system scheme as direct digital synthesis plus quadrature modulation . combined with agilent arbitrary waveform generator and phasor signal generator , a generation system is established and a ultra - wideband signal , whose bandwidth is 1ghz and carrier frequency is 4ghz , is generated
通过对几种模拟与数字线性调频信号的产生方法的比较,本文采用了以直接数字波形合成( ddws )加正交调制的系统方案,并结合实际的仪器设备,产生了带宽为1ghz ,载频4ghz的超宽带线性调频信号。 - In addition , we try to make use of that technique to other aspects such as setting up the wide area phasor measurement system , developing the automatic - throwing - switch device etc . this paper also puts forward the speculation which is using virtual instrument technique to realize the phasor measurement
另外，我们尝试着将该技术运用到测控领域的其他方面，如建立广域相量测量系统，研制准同期并列装置等。本文提出利用虚拟仪器技术来实现相角测量的构想，并就这一构想提出了初步的技术方案。
