无功的

It analyzes the principles of technology which consists of ip-iq harmonic current detecting method based on the instantaneous reactive power theory and the hysteretic control of compensating current method.

分析了基于瞬时无功功率理论的ip-iq谐波电流检测技术和电流滞环比较控制的补偿电流技术。

Controlling harmonic and compensating reactive power are important parts in power systems.

谐波的抑制以及无功功率补偿是电力系统的重要组成部分。

This paper introduces that A digital control system based on SIMATIC-TDC for Static Var Compensator is proposed .

摘 要：本文介绍了一种基于SIMATIC-TDC控制器的全数字静止无功补偿装置的控制系统。

This paper introduces the concept and characteristics of LabVIEW and application of LabVIEW on HV Static Var Compensator monitoring and control system.

本文介绍了LabVIEW的概念、特点及其在高压无功补偿监控系统中的应用情况。

First of all, a nonlinear model for a single-machine infinite-bus system with static VAR compensator is established.

首先，本文建立了装设有静止无功补偿器的单机无穷大系统的数学模型。

This reactive power is exchanged with the grid to control the system voltage.

通过无功功率的调节达到控制系统电压的目的。

Using the theory of normal forms of diffeomorphism and according to nonlinear participation factors, a more accurate method to decide the location to implement load control or the place to allocate static var compensator is proposed.

应用微分同胚正规形理论，以非线性参与因子为依据，提出了确定实施负荷控制的地点及静止无功补偿(static var compensator，SVC)安装地点的更准确方法。

SN75LBC184 series is high withstand voltage, low noise stabilized power supply with reduced reactive current at low input voltage and small input / output differential voltage 0.2V at 40mA output current.

1第1页，本页显示记录1-19，共19条记录分1页显示SN75LBC184系列高耐压，低噪音稳定在四十○毫安输出电源电流，降低无功电流，低输入电压和小的输入/输出电压0.2V的差分。

In this algorithm, at first the reactive power optimization problem is converted to integer nonlinear programming problem with discrete control variables which are solved by IGA; then by use of PDIP algorithm, the continuous variables which can match with the obtained most are solved, and the reactive power optimization is changed into a nonlinear programming problem with continuous control variables.

首先通过改进遗传算法求解无功优化问题中的离散变量，然后采用原对偶内点法求解与已获得离散变量最匹配的连续变量。

In this paper, a novel Crowbar control strategy is proposed to limit the over current in the rotor and the over voltage of the DC bus as well as the transient oscillation of the electromagnetic torque. Moreover, a capacitive current is injected into the grid to assist the recovery of the grid voltage.

文章提出了一种Crowbar控制策略，能有效抑制转子过电流、直流母线过电压以及电磁转矩的振荡，并可向电网注入无功电流以帮助电网电压的恢复。

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％。