This paper presents a novel kind of fiber optically powered instrument for high voltage line current.
本文介绍了一种新型的光纤光推动高压电流测量仪。
The operation, should avoid high voltage line and elevated grid, to ensure the pile machine drill stand erect not be affected.
作业时,应避开高压线路及高架电网,以保证按桩机钻架的架设不受影响。
Based on the analysis for microcomputer protection of high voltage line, the dissertation designs an adaptive microcomputer protection of high voltage line which is based on embedded systems.
本文在对高压线路微机保护现状分析的基础上,设计了一套基于嵌入式系统的微机保护装置。
The reinforced concrete base of a chimney to be demolished is near to a distribution station and breast wall sensible to blasting vibration and there is an important high voltage line over it.
待拆烟囱的钢筋混凝土基础紧邻对爆破震动极为敏感的配电站和挡土墙,其上方又有重要的架空高压输电线。
The power of this monitoring device is made up of novel switch voltage regulation circuit and linear voltage regulation circuit, the electricity of which is directly supplied by high voltage line.
监测系统采用新颖的开关稳压和线性稳压二级稳压结构电源,直接由高压线负载电流供电。
The key problem of bus voltage predicted analysis on line is to research the predicted model, which includes simple algorithm, high accuracy degree, long predicted time and good robustness.
电力系统电压暂态稳定在线预测分析的关键是寻找一种算法简单,精度高,预测时间长和鲁棒性好的预测模型。
A new high speed protection criterion for high voltage transmission line based on the wavelet transform of transient voltage signals from the two ends of the line is presented.
提出了一种基于双端电压暂态信号小波变换的高压输电线路快速保护算法。
A deer fawn apparently dropped by a bald eagle onto a high-voltage line was behind a power outage this week in western Montana, a Northwestern Energy official said.
一头显然被白头鹰掉在一条高压电线的幼鹿是本周西蒙大拿州停电的原因,西北能源公司一名职员指出。
Even scientists who have failed to find a reason for the apparent link refuse to say it is safe to live near a high-voltage power line.
即便是没有找到明显致病证据的科学家也拒绝声明住在高压线附近是安全的。
These include two mid-voltage power cables production lines and one high-voltage power cables production line, which are targeted for installation by 3Q2011.
其中包括两个中压电缆生产线和一个高压电缆生产线,预计于2011年第3季度完工。
Large power transformer partial discharge on-line monitoring technology is a hot topic in high voltage insulation detection and diagnosis domain.
大型电力变压器的局部放电在线监测技术是高电压绝缘检测与诊断领域研究的热门课题。
On-line PD monitoring of power transformer is Presently the research hotspot in the area of high voltage insulation measurement and diagnosis.
电力变压器局部放电在线监测是当前高电压绝缘检测与诊断领域研究的热点课题。
The main development trend of high voltage transmission line's protection is the line fiber optical differential protection.
光纤电流差动保护是高压线路主保护的发展趋势。
The precise location of high-voltage transmission line fault is of great significance and practical engineering value.
高压输电线路故障的准确定位具有非常重要的意义和工程实用价值。
While transmitting the load power, the high-voltage transmission line consumes the active power of its own, and absorbs or outputs the reactive power, which affects the power factor significantly.
高压输电线路在输送负荷功率的同时自身也消耗有功功率、吸收或输出无功功率,线路无功会对功率因数产生很大影响。
The grid today remains secure even when a single device, such as a high-voltage transmission line, fails.
目前的电力网路如果有一个装置损坏(如高压传输线)整个网路仍可不受影响。
A method of electromagnetic sensor navigation of inspection robot for high-voltage transmission line is proposed.
提出了一种采用电磁传感器为高压巡线机器人沿输电线路相线进行导航的方法。
Through experiment the best eddy current exciting frequency for the detection of the high voltage transmission line is determined.
通过试验确定了高压输电导线电涡流检测的最佳激励频率。
To do geology radar exploration in city area, the disturbing signal of high-voltage line is found on radar profile.
市区内进行地质雷达勘探,探测剖面往往受到高压电线的严重干扰。
There already have some outcomes in studies of on-line monitoring of the running condition and the insulation condition of the high voltage equipments in power system.
电力高压设备运行状态在线监测和绝缘状态在线监测的研究在电力系统中已经取得一定的研究成果。
The former's major design basis is the parameter of soil resistivity along the pipeline, the crossings of high-voltage DC transmission line with the pipeline etc.
前者的设计依据是沿线土壤的电阻率及输电线路与管道交叉等参数,后者主要是加压站内深井阳极地床。
ABB is supplying Holland America Line with high voltage shore connections (HVSC) to eliminate the emissions of ships berthed at a leading U. S. port.
ABB正在为荷兰美洲航线提供高压岸上线路(HVSC)解决方案帮助一个主要的美国港口减少船只在停泊处的排放。
Two Critical concepts involved in direct current ice-melting technique of high voltage over head line, the least ice-melting current and the Max allowed current was presented.
提出了架空输电线路直流融冰的两个重要参数:最小融冰电流和最大允许融冰电流的概念。
The galloping of iced conductor caused by wind load severely imperils the safe operation of the high voltage transmission line.
覆冰导线由于风载而造成的舞动,严重地威胁着输电线路的安全运行。
By the fiber grating as temperature sensor, the on-line monitoring system of temperature for the contact inside the high voltage switchgear was put forward.
采用光纤光栅作为温度传感器,提出了测量高压开关柜内接头温度的在线监测系统。
The experiment result of a high voltage pseudospark discharge driven by a pulse line accelerator is presented.
介绍了用脉冲线加速器作驱动电源产生高压虚火花放电的实验。
The monitor gets energy from the current of high-voltage line and charges automatically.
分机取用计量现场高压母线电流作为能量来源,自动充电。
So high voltage transmission line fault diagnosis and performance analysis are very important for security and stability of Power Systems.
因此,对输电线路的故障诊断和性能分析是极为重要和必要的。
Taking into account the characteristic of the high-voltage transmission line, this paper discusses the basic principle of the eddy current testing method.
结合高压输电线的特点,在论述了电涡流检测方法的基本原理之后,进一步论述了差动式检测线圈的电涡流检测原理与方法。
High Voltage Transmission and Distribution, City Power Supply, Line Tower, Transformer Shell, High Voltage Switchboard and link system.
高压输配电、城市供电、线路的铁塔、变压器罩壳,高压开关柜及连接系统。
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