In the technology maturation phase, Raytheon's jammer will be developed and tested to ensure spectral precision, power, reactive speed and directivity.
在技术成熟阶段，雷神的干扰机将进行研发测试，以确保频谱精度、功率、反应速度和定向能力。
In this paper, we propose and discuss two new control methods for three phase shunt APFs: the sinusoidal line current control method and the instantaneous reactive power compensation control method.
本论文提出三相并联型有源滤波器的两种新的控制方法，即正弦波化控制和瞬时无功功率的控制方法。
This paper presents four-phase transmission harmonic current detecting method based on instantaneous reactive power theory.
该文提出了基于瞬时无功功率理论的四相输电谐波电流检测方法。
In this paper, based on the orthogonality of sine function, a detection approach of generalized reactive current suitable for both the single phase and three phase active power filters is presented.
本文根据正弦函数的正交特性，提出了一种既适用于单相也适用于三相有源电力滤波器的广义无功电流检测方法。
And the transformer can carried out the analysis and calculation of harmonic, phase discrimination, power factor, active and reactive power together with PC.
该互感器与PC机配合，可完成电力系统的谐波分析、鉴相、功率因数及有功、无功功率的分析计算。
The three-phase voltage source converter can absorb and Issue continuously adjustable reactive power, based on reactive power compensator.
基于三相电压型变流器的无功功率补偿装置可以吸收或发出连续可调无功功率。
In ac power network, the way of phase-shifting capacitors to compensate reactive power loss is always adopted to raise network power factor.
在交流电网中，常常采用移相电容器补偿无功功率损耗的方法来提高网络的功率因数。
In order to overcome the disadvantage of the single phase passing zero control in the reactive power compensation device, fuzzy control is put forward in this paper.
针对目前无功补偿装置中采用的单相过零投切方法存在的缺点，本文提出采用模糊控制的方法。
How to deal with three-phase unbalance compensation and how to filter the low-order harmonics, especially the2nd-order, are the two difficulties for reactive power compensation.
无功补偿的难点在于如何补偿三相不平衡以及如何有效地滤除低次谐波，尤其是2次谐波。
It can delicer leading current with the current exchange in coupling reactor and the controlling of the switch on off phase angle in order to compensate lagging reactive power.
通过耦合电感间的换流与开关器件通断相位角的控制，使其输出超前电压的电流，以补偿电网中常见的感性无功。
The interpretation of active and reactive currents in non-sinusoidal and unbalanced three-phase four-wire systems is given based on the generalized instantaneous reactive power theory.
以通用瞬时无功功率理论为基础，阐述了电压不对称和非正弦条件时的有功和无功电流的物理意义。
A two-phase optimization method of multi-period reactive power and voltage control was proposed to confine the action times of control devices.
为减少无功电压控制设备的动作次数，提出了一种多时段无功电压控制的两阶段优化方法。
How to define instantaneous reactive current and reactive power in three-phase non-sinusoidal asymmetrical systems is still a concerned problem by academia.
如何定义三相系统的瞬时无功电流、瞬时无功功率一直是学术界关心的问题。
The analysis indicates that large turbine-generator leading phase operation can improve the reactive power load distribution and the quality of power supply effectively.
试验分析表明，大机组发电机进相运行可有效改善电网无功潮流分布，提高电网供电质量。
Several issues of power quality are presented, including harmonics, reactive power, three phase unbalance, large difference between peak load and vale load, voltage disturbance and so on.
第一章简单介绍了目前电网存在的几种问题，包括谐波问题、无功问题、三相不平衡问题、用电峰谷差过大的问题以及电压异常、断电问题等；
In accordance with the feature of three phase unbalanced loads, this article describes the correction principle of reactive power and the control system of single board computer.
本文针对三相不平衡负载特点，介绍了无功功率补偿原理和单板机控制系统。
Two kinds of main circuit configuration and integrative voltage reactive power control scheme for balancing compensation with single phase STATCOM are proposed.
提出了采用单相statcom实现平衡化补偿的两种主电路结构及电压无功综合控制方法。
The operating status of three-phase three-wire HAPF(Hybrid Active Power Filter) in harmonic suppression and reactive power compensation for variable-frequency motor are introduced.
介绍了三相三线制混合型有源电力滤波器在变频调速电动机谐波治理和无功补偿方面的运行情况。
For studying on dynamic reactive power optimization, a two-phase optimization method of multi-period reactive power and voltage control is proposed to confine the action times of control devices.
针对动态无功优化方法研究，本文提出了一种多时段无功电压控制的两阶段优化方法。
A new harmonic detection way based on the single-three phase method and instantaneous reactive power theory was adopted to detect single-phase power system.
采用了单相-三相构造法和瞬时无功理论的谐波检测方法来检测单相系统。
This paper presents a novel detecting method for harmonics and reactive current in single-phase active power filter based on calculation of the real part of the fundamental load current.
本文提出了一种单相有源电力滤波器谐波和无功电流检测的新方法—负荷电流基波有功分量法。
And some indexes of power quality: voltage deviation, real power, reactive power, harmonic content, voltage fluctuation and unbalanced three-phase voltage and current, are discussed at length.
同时本文对电能质量的有关指标：电压偏差、频率偏差、各种功率、谐波含量、电压波动和三相不平衡的计算和检测方法，进行了详尽地阐述。
The results show that the effects of reactive power compensation, negative balance and harmonic inhibition are all satisfactory. Finally the conclusion is that the dual-phase SVG program is effective.
由仿真结果看出该SVG方案的无功补偿、负序平衡和谐波抑制均达到了满意的效果，从而验证了该综合补偿方案的有效性。
The instantaneous reactive power theory is widely used in the detections of harmonic and reactive current in three-phase active power filter.
在该控制系统中实施了基于瞬时无功理论的瞬时功率和瞬时电流的检测算法以及一种开闭环相结合的复合控制策略。
The experimental results indicate that this method can be used to detect the reactive power and harmonic current exactly in three-phase four-wire system.
通过试验验证，该检测方法能够很好的实现对三相四线制系统中的无功和谐波电流的检测。
The hybrid method of compensation:three-phase compensation and split-phase compensation is used to achieve a three-phase unbalanced load reactive power compensation;
采用三相共补与分相补偿的混合补偿方式，实现对三相负载不平衡的无功补偿；
The reactive power and current of three-phase unbalanced load are compensated.
配电网三相负荷不平衡运行将增加配电网的电能损耗。
The reactive power and current of three-phase unbalanced load are compensated.
配电网三相负荷不平衡运行将增加配电网的电能损耗。
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