The device has the function of intelligence identify and online surveillance and gets the great effect to keep away accident of extra high voltage power line.
使用该套装置，达到了智能识别、及时报警和实时的视频监控功能，对超高压输电线路的事故防范起到了极大的促进作用。
At present, transmitting speed of medium and high voltage power line carrier is very low, and these kinds of carriers can be used only in low speed situation, and the number of user is limited.
目前的中高压电力线载波通信的传输速率都很低，只能应用于低速的场合，用户容量有限。
Patrol of High Voltage transmission Line is an important foundation to ensure the reliability of power transmission.
上压输电线道的巡检非保证否靠的电力输收的从要基本。
Ultra-high voltage transmission line will be the main frame of power network in China.
交流特高压输电线路是我国未来统一电网的骨架。
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。
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。
On-line PD monitoring of power transformer is presently the research hotspot in the area of high voltage insulation measurement and diagnosis.
变压器局部放电在线监测是高电压绝缘检测与诊断领域研究的热点课题。
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。
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。
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。
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。
Almost all the power converters in use up to now are line-commutated, when the level of active power is low, and reactive power consumed is high, being very harmful for the connection bus voltage.
至今几乎所有的电力变换器为在线换向式的当有功功率较小，而消耗的无功较大时，对所联接母线的电压是非常有害的。
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。
High-voltage electrical power transmission line is the artery of electrical-net, and it undertakes the task to transmission electrical power from power station to the load center.
高压输电输电线路是电网的动脉，肩负着输送电力从发电站到负荷中心的任务。
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。
For the use of off-line switching mode power supply IC, an internal power supply circuit combining with a high voltage startup current source is proposed.
结合高压启动恒流源设计了一种用于离线式开关电源的内部电源电路。
OFDM technique has been the mainstream in low-voltage power line communication because of its good capability against interference and high transmission rate.
OFDM技术以其抗干扰性强，传输速率高成为低压电力线高速通信的主流技术。 信道估计算法是OFDM系统接收端的关键技术之一。
But if a bird (or a power line worker) accidentally touches an electrical "ground" while in contact with the high-voltage wire, she completes an electrical circuit.
然而，如果鸟(或电工)意外地接触了与高压线相连接的通电的“地线”，它形成了一个电路。
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。
For ultra high-voltage power line, along with the heightening of the power line tower the probability of OPGW suffering from lightning strike becomes augmented.
在特高压系统中，随着电力杆塔的增高，OPGW受雷击的概率将增大。
Set up the circuit design criterion for the steady - stage deadbeat control to the line current of a three - phase high-power-factor rectifier based on voltage space-vector PWM.
建立了对基于电压空间矢量pwm的三相高功率因数整流器实现电流稳态无差拍控制的设计准则。
On-line monitoring of the leakage current in high voltage (HV) oil minimum breakers is an important method for improving the secure operation level in power system.
在线监测高压少油开关泄漏电流是提高电网安全运行水平的重要措施。
Regularly inspecting high voltage power transmission line and repairing dilapidation are essential to keep power supply reliable.
定期对高压架空输电线路进行故障的检测与修复，是供电可靠性的基本保证。
This paper presents the design and implementation of a zero-voltage-transition power factor correction (PFC) converter having high power factor, high efficiency, and low harmonic line current.
本文研制一个具有高功率因数、高效率、低谐波且可操作于高频之零电压切换升压型功因修正器。
This paper Presents a switching power supply unit specially designed for microprocessor based ultra-high-voltage transmission line Protection systems.
本文介绍用于超高压线路微机成套保护装置的专门电源。
In order to improve the practicability of the low voltage power line carrier communication (PLCC) some high level communication protocols should be applied.
为了提高低压电力线载波通信的实用性，需要配合使用合适的高层通信协议。
The failure of high voltage power supply equipment, especially the earthing failure of high voltage power transmission line, will bring great impact on the construction site.
通过对唐山矿业分公司井下高压供电系统状况及事故的分析，找出影响高压供电的主要原因，提出预防井下高压供电事故的措施。
The failure of high voltage power supply equipment, especially the earthing failure of high voltage power transmission line, will bring great impact on the construction site.
通过对唐山矿业分公司井下高压供电系统状况及事故的分析，找出影响高压供电的主要原因，提出预防井下高压供电事故的措施。
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