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。
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。
Experimental results show that three-phase PWM converters are advantageous in high power factor, small input-line current harmonic distortion and bi-directional power flow.
实验表明，作为双馈感应发电机转子励磁电源的三相pwm变换器具有功率因数高、网侧电流谐波小、能量双向流等优点。
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。
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。
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。
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。
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。
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。
This paper presents a fiber communication scheme applied to the current differential protection of the high voltage transmission line.
介绍一种适用于高压线路光纤纵差保护的通信方案。
The company has current first-class production line and advanced testing equipment and strong research team, for the production of high quality products to provide a reliable guarantee.
公司拥有当今一流的生产线和先进的化验设备及强大的科研队伍，为生产高品质的产品提供了可靠的保证。
According to current capacity of the existing Beijing-Shanghai Line, it is more beneficial to build the high speed section between Xuzhou and Shanghai first.
根据京沪既有线能力现状，以先修建徐州至上海段高速线为有利。
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。
Role: at start ballast circuits, the flip-flop because of the co-ordination of the moment have a high-voltage, so that the discharge lamp to start. Line at work to play the role of limit tube current.
作用：镇流器在启动线路中，由于触发器的配合产生瞬间高压电，使灯管放电启动。
A new fast digital filter of on line eddy current testing system for decreasing the effect of high frequency noise was researched.
针对涡流在线检测系统中的各种高频噪声影响，设计了快速去噪滤波算法。
A new fast digital filter of on line eddy current testing system for decreasing the effect of high frequency noise was researched.
针对涡流在线检测系统中的各种高频噪声影响，设计了快速去噪滤波算法。
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