side-frequency current

Current injection of AC side inductor for three-phase PFC circuit

三相PFC电路的交流侧输入电感谐波电流注入方案

A closed-loop control system with welding current as control parameter is founded to control the width of isothermal line of back-side welding temperature field in TIG welding of thin plate. The control of penetration and width of back side weld is achieved.

以焊接电流为控制量，研制了薄板钨极氩弧焊（TIG）背面温度场等温线宽度闭环控制系统，实现了对焊缝背面熔宽和熔透的控制。

Meantime, at least, Japan's current woes are giving China a chance to show its soft side.

至少，日本目前的困境给了中国一个机会来展示其温柔的一面。【译者表示反对】。

During weak or moderate storms ( Kp 5), for ions with energy higher than 40 keV a flux hole is presented at the dawn-side, indicating the convective electric field is not strong enough to inject such ions to ring current region.

弱磁扰或中等磁扰（Kp5）时较高能量的（40keV）离子的通量在在晨侧出现通量空洞，说明此时的对流电场不足以将该能量范围的离子注入到环电流区。

Current passes form the upper, positive side of the organ downwards to the negative , lower side.

电流通过器官上面, 即正极面向器官下面的负极面流动.

By adopting auxiliary transformer in the primary side of main transformer, the decreasing time of free-wheeling current is independent of duty cycle, which is proportion to the peak current in the primary side of main transformer.

采用原边辅助变压器衰减原边环流电流所需的时间不受占空比影响，而与原边峰值电流成正比。

DC side active power filter; harmonic characteristics; voltage type harmonic source; current type harmonic source; one cycle control.

直流侧有源电力滤波器；谐波特性；电压型谐波源；电流型谐波源；单周控制。

MESFET and side gating electrode are produced by planar selectively implanted isolation process. The influence of different data collection time of channel current on the side gating hysteresis effect is studied by changing the delay time of semiconductor characteristic testing set.

采用平面选择注入隔离工艺制作MESFET及旁栅电极，通过改变半导体特性测试仪的延迟时间参数，深入研究了不同沟道电流的数据采集时间对旁栅效应迟滞现象的影响。

The existing problems of shell side structure for domestic current tubular fixed bed reactor are discussed and evaluated. The improvement of shell side structure by adopting outside flow deflector type inlet and outlet structure and adopting baffle rod to support reaction tube are proposed.

探讨和评介了国内现行列管式固定床反应器的壳程结构存在的问题，提出壳程采用外导流筒式进、出口结构和采用折流杆支撑反应管的结构改进措施。

Through measuring three-phase current of low voltage at user side and handling by specific algorithm, TA ratio of HV measuring can be accurately judged whether is consistent with data plate.

通过测量用户低压侧三相电流相量，通过特定的算法处理，准确判定用户高计TA的实际变比是否与铭牌一致。