查询词典 single phase

Based on multi-conductor transmission line theory, a new model of partial discharge pulse propagating in single phase transformer is established.

中文摘要：本文基于多导体传输线理论建立了放电脉冲在变压器绕组中的传播模型。

The principle of single phase transformer differential protection is presented, which is applied in the case of connecting bushing current transformer with air gap at lower voltage side for cutting down the cost in electric engineering.

针对在电力工程中为节省投资而采用低压套管内有气隙电流互感器的情况，论述了单相变压器差动保护原理，介绍了三相变压器差动保护的 3种接线方法。

The experiment was operated in Huizhou 500 kV substation and a 500 kV single phase electrical transformer was chosen as experimental object.

设计了500 kV单相电力变压器振动与噪声在线同步监测方案，并通过振动与噪声传感器及相应的数据采集和分析系统实现了对广东惠州500 kV变电站单相电力变压器直流偏磁条件下的振动与噪声的实时监测。

The principle of the novel single-phase hybrid active power filter is described in detail. Based on the above analysis, Kalman filtering approach for estimation of harmonics is presented to improve the speed and precision of harmonic detection, and it also can avoid the influence made by voltage distortion on harmonic detection. A new current control strategy based on energy balance is presented to regulate the active part absorbing or releasing active power and control the inverter to produce current opposite to the harmonic current reflowing in injection branch, the above method combined with harmonic current tracking control that keeps the stabilization of dc-side voltage and improve the reliability of the system.

并详细分析了系统的滤波原理，提出了基于卡尔曼增益自调整的改进型动态谐波含量估计方法，能够快速准确的跟踪检测电网谐波电流，并且克服了电力机车等冲击性负荷引起的电网电压畸变对谐波检测精度的影响；提出了基于逆变器两侧能量平衡的电流控制方法使有源部分吸收或释放一定有功或无功功率及产生与注入支路回灌谐波电流相反的抑制电流，然后联合电网谐波电流跟踪控制以获得系统参考信号，保证了直流侧电压的稳定，提高了装置可靠性，增强了系统滤波性能。

This method is applicable to overhead transmission lines with single-phase automatic reclosing.

这使得线路的设计长度和实际长度存在偏差。

This method is applicable to overhead transmission lines with single-phase automatic reclosing.

该方法适用于装设单相自动重合闸的架空输电线路，利用现有的硬件设备，可以有效地削弱线路长度和参数变化对测距精度的影响，对于故障测距和线路保护均具有较重要的意义。

The first one includes chapter 2 and chapter 3, which is the network-based adaptive current protection principle;the second one includes chapter 4 to chapter 6, which Is the study of single-phase reclosing based on Intelligent control.

第一部分包括第二章和第三章，是网络式电流保护的研究；第二部分包括第四章至第六章，主要是智能型单相自动重合闸的研究。

In these cases, the mode of singlepole reclosing was set, and when single phase grounded fault occurred at the transmission line, all of protection relay operated correctly, and three phases of one breaker directly tripped at one time, and this breaker was not reclosed.

详细介绍了华中某500kV变电站两起典型的重合闸不正确动作事故，即在单重模式下，输电线路发生单相接地故障，保护装置均正确出口情况下，其中一个线路断路器直接三跳，未重合。

A design of single-phase multi-rate power meter is presented,in which the micro-controller S3C44B0X and AD7755 were adopted.

采用三星公司的S3C44B0X和美国AD公司的 AD7755为核心，设计了单相复费率电能表。

The single phase Fe-Ni nitrides 〓〓 with different nickel concentration from x=0 to x=0.78 were successfully prepared by annealing the oxalates at appropriate temperatures in H〓/NH〓 gas flow.

文中给出了单相铁镍合金氮化物〓〓的详细的制备条件，并认真讨论了不同镍含量的铁镍草酸盐在热处理过程中的还原和氮化产物。

But we don't care about Battlegrounds.

但我们并不在乎沙场中的显露。

Ah! don't mention it, the butcher's shop is a horror.

啊！不用提了。提到肉，真是糟透了。