电流的

The appearance of active power filter provides equipment support for the compensation of harmonic current and reactive current, and the real-time and exaction performance of harmonic current detection in active power

有源滤波器的出现为谐波电流和无功电流的综合补偿提供了设备支持，在有源滤波器中谐波电流检测部分的实时性和精确性至关重要。

The authors have established a control model adopting the feed forward of grid voltage and current tracking technology.

针对光伏阵列的特点，提出了基于并网电流的最大功率跟踪光伏阵列并网方案，采用电网电压前馈和电流跟踪技术，建立了相关的控制模型，实现了网侧电流正弦化和单位功率因数。

In the dq0 coordinates a new definition of generalized instantaneous reactive current is proposed, and methods of resolution and measurement of generalized instantaneous reactive current components are also presented.

瞬时无功功率和瞬时无功电流定义是快速无功补偿和有源滤波的理论基础，本文提出了在dqO坐标下广义瞬时无功电流的新定义，并给出了广义瞬时无功电流各分量的分解方法和测量方法。

This paper analyzes the structure and distributed parameters of electrostatic discharge simulator during discharge, establishes a 9-component circuit model of BMM-ESD,obtains the current expression in complex frequency domain,and then gets a ESD current expression in time domain by Inverse Laplace transform.

为进一步发展BMM-ESP电流的电路建模求解法，分析了静电放电测试环境在实际放电测试过程中的寄生参量并建立了一个9元件ESD电路模型，求得了电流在复频域的表达式，进而通过拉普拉斯反变换解得了BMM-ESD电流时域解析式。

SURGE CURRENT Surge current is specified as the maximum allowable peak, nonrecurrent squarewave current with a pulse width, PW, of 8.3 ms.

浪涌电流的浪涌电流的最大允许指定为高峰期，非经常性方波脉冲宽度，星期三8.3毫秒，电流。

The simultaneously measurements of surface electric field and Maxwell current density show that, underneath active thundercloud, surface Maxwell current density reflects the change of cloud charge sources, and is quasi-steady between lightning discharges.

利用实验观测和模式计算相结合的方法，对传导电流、位移电流和电晕电流的相对重要性作了估计。

It was presented an adaptive fault circuit selection method based on transient current .

在分析小电流接地系统单相电弧接地故障时各线路零序暂态电流特征的基础上，提出一种基于暂态电流的故障选线自适应方法。

With this important concept which the reads of wattmeter was equal to the product of the effective value of the voltage across the potential coil, the effective value of the current flowing in the current coil, and the cosine of the phase-angle between the current and the voltage. It was speciled with some examples to determine the phase-angle measured between line voltage, line current in different connection.

围绕有功功率表的读数等于该功率表电压线圈所接电压的有效值、电流线圈所通过的电流的有效值以及电压与电流相位差余弦的乘积这一重要的概念，用实例说明在不同的接线情况下如何利用各电量的相量关系来确定所测的线电压、线电流之间的相位差角。

When placing the semiconductor carrying current in the magnetic field axial to the current direction, the semiconductor will generate transverse galvanomagnetic phenomenon, namely generate electromotive force in the direction axial to the magnetic field and current, which is Hall Effect.

把载有电流的半导体放在垂直于电流方向的磁场中时，半导体会产生横向磁场电现象，即：在垂直于磁场和电流的方向产生电动势，这就是霍尔效应。

Other conclusion include: the trip of transient protection must be locked when the power circuit breaker of transimission line operated,because the trip is incorrect at this time;the features of transient current and its energy is different between the fault and thunder over- voltage in transimission line,and them can be identified;the ratio of high frequency component of current in serise capaciters compensation line , SVC and HVDC system is far little than fault transient current, so all of them do not affect the working of trasient current protection.

研究了在串联补偿电容的输电线路上发生故障时，串联补偿电容的MOV非线性保护电路对暂态保护的影响。串补电容MOV保护电路的非线性电流高频分量含量很小。静止补偿器、高压直流输电系统换流器的非线性特性产生的谐波分量含量极少。仿真计算表明，在与暂态保护判据中高频分量对应的频率范围内，其电流对应的功率谱估计值大大低于线路故障时故障电流的功率谱估计值，因此它们都不会对暂态电流保护的正常工作产生影响。

According to the clear water experiment, aeration performance of the new equipment is good with high total oxygen transfer coefficient and oxygen utilization ratio.

曝气设备的动力效率在叶轮转速为120rpm～150rpm时取得最大值，此时氧利用率和充氧能力也具有较高值。

The environmental stability of that world - including its crushing pressures and icy darkness - means that some of its most famous inhabitants have survived for eons as evolutionary throwbacks, their bodies undergoing little change.

稳定的海底环境─包括能把人压扁的压力和冰冷的黑暗─意谓海底某些最知名的栖居生物已以演化返祖的样态活了万世，形体几无变化。