电流

It is pointed out, while expounding the principle of chopper speed variation, that the value of peak current can affect the service life of components and so it is necessary to control.

文章阐述了斩波调速原理，指出峰值电流的大小会影响元器件的寿命，所以有必要对瞬时电流的大小进行控制。

In SiGe BiCMOS process, there are a 5.2GHz CMFB micromixer, a 5.7GHz up-conversion micromixer using LC current combiner, a 5.2GHz LC current combine up-converter with lumped element rat-race and a 5.2GHz image rejection double quadrature down-converter.

其中SiGe BiCMOS制程包含了5.2GHz共模回授微混频器电路、5.7GHz 使用LC电流合成器之升频微混频器、整合集总元件Rat-race的5.2GHz LC电流合成升频器与5.2GHz镜像消除双正交四相位降频器等电路。

When is tested,testing shall be performed with rated load current of firstly, and then with load current of inverter.

在测试时（仅限 Power 测试），的额定负载电流，后带的负载电流。

Active current separate method is detected in recent years for detecting harmonics and reactive currents in single-phase circuit.

有功电流分离法是近年来出现的一种单相电路谐波和无功电流检测新方法。

And then put forward the real-time detection of the single-phase circuit and reactive current .The realized methode is the artificial circuit.

所提出的检测方法用模拟电路加以实现，可对谐波电流、无功电流进行分别检测或综合检测。

Reactive component of current adds to the loads current and increases the voltage drops across network impedances.

电流的无功部分使负载电流增加并且提升了电网的阻抗压降。

Compared with the traditional shunt APFs, there is no need to sense load current, noneed to calculate the harmonic and reactive component of the load current, and noneed for multiplier.

与传统APF相比，采用单周控制方法的APF的突出优点是：不需要检测负载电流，不需分离出负载电流中的谐波和无功分量，因此省略了高精度乘法器，控制电路简单。

The improved algorithm supplied the exact reference phase for current d-q transformation,then detection accuracy of the algorithm wasn t influenced by voltage distortion,so it can detect the harmonic and reactive component of load current effectively.

该改进算法为电流的d-q变换提供精确的参考相位。采用改进的检测算法，电压畸变不会影响该算法检测的精确度，并能有效地检测负载电流的谐波与无功分量。

The transport of REB is examined by 2D3V particle simulation in the XY plane.

在XY平面上对电流输运过程进行了2D3V粒子模拟，观察到电流丝的形成、聚合和磁场产生。

During the simulation, surface current from primary electrode is computed. Taking rectangular triangle as the mesh unit, the integral formula of surface current can be simplified to a product of a difference expression and the surface area. So the computation complexity of FEM will be decreased and the time-cost will be cut down greatly.

在模拟过程中，需要计算主电极表面电流，通过选用直角三角形作为离散单元，将表面电流的二重积分表达式简化为一个差商表达式与主电极表面积的乘积，极大地降低了有限元分析的复杂度，减少了计算时间。

Breath, muscle contraction of the buttocks; arch body, as far as possible to hold his head, right leg straight towards the ceiling (peg-leg knee in order to avoid muscle tension).

呼气，收缩臀部肌肉；拱起身体，尽量抬起头来，右腿伸直朝向天花板（膝微屈，以避免肌肉紧张）。

The cost of moving grain food products was unchanged from May, but year over year are up 8%.

粮食产品的运输费用与5月份相比没有变化，但却比去年同期高8％。