While reactive monitoring to unforeseen events is inevitable, proactive auditing should also be an important component of your security plan. 虽然对未预见到的事件进行反应性的监视是不可避免的,但前摄性(Proactive)地进行审计也应该成为安全计划中的一个重要部分。
For reactive sputtering, the gradient films with varying ratio of chemical component can be prepared by changing gas flow rate continuously. 对于反应溅射,可通过连续改变反应气体流量制得化学成分比连续变化的梯度薄膜。
The result shows the polyacrylate modified with the reactive organosilicon component by the SFP presents excellent mechanical property and water resistance. 结果还表明:合成共聚物的力学性能和耐水性随有机硅含量的增加而明显提高。
Neither instantaneous power information nor coordinate transformation is necessary for the control. The APF with this control scheme can eliminate effectively the instantaneous reactive component. Thereby the controller is simplified effectively. 利用这种控制方法,既不需要瞬时功率信息,也不需要坐标变换,能够实现电流的正弦波化并能有效地消除由负载产生的瞬时无功分量,通过这种控制能有效地简化控制电路。
Internal oxidation of the most reactive component of ternary alloys under low oxidant pressures 低氧压下三元合金最活泼组元单一内氧化的理论分析
Study on Optimal Ratio between Reactive Component and Inert Component in Coal Blend for Coking 炼焦配煤中最佳活惰比的研究
Making rational optimization to the reactive component not only can improve the voltage level of the systems operation, but also can decrease the active and the reactive network loss of power system and make its operation more effective. 对无功的合理优化不仅仅可以提高系统运行的电压水平,而且可以降低系统的有功网损和无功网损,提高电力系统的运行效率。
The quantitative relationship between the reactive compensator and load impedance was derived, and its application to improvement of balance among three phases for reducing the negative sequence component in electrical networks for railway electrification was discussed briefly. 本文对三相平衡原理中补偿电抗和补偿电容与负荷阻抗之间的定量关系从电路角度进行了推导,并对其在电气化铁道负序补偿中的应用,做了初步探讨。
Taking C/ C composites of different structure and density as preform, C/ SiC composites were prepared by reactive melt infiltration. The relationship among density, component content, thermal diffusion coefficient and friction properties of C/ SiC composites was studied. 以不同结构类型及密度的C/C复合材料为预制体,采用反应熔体渗透法制备了C/SiC复合材料,研究了不同结构C/SiC复合材料的密度、组分含量、热扩散系数与摩擦性能相互之间的关系。
The detecting method of DVR is different from harmonic and reactive current detecting methods. It need detect not only total harmonic distortion but also the difference between fundamental wave component and reference value. DVR的检测方法与谐波、无功电流的检测不同,不但需要检测出除基波分量之外的总畸变分量,还要检测出基波分量与基波基准值之差。
In theory this method can effectively and accurately detect the fundamental current, its active and reactive components and any term harmonic current component of three phase circuit no matter what there are harmonic voltages in three phase circuit. 该方法具有无论三相电路电压是否畸变,理论上都能准确地检测出任意次谐波电流的优点,并可用于基波有功和无功电流的检测。
The influence of the reactive component of the paramagnetic resonance on the gain-bandwidth product has been taken into account in the analysis. 在分析中计入了顺磁物质导磁率的电抗分量对增益带宽的影响。
Studies are made to the electrolytic coagulation decolorization of simulated printing and dyeing wastewater with reactive brilliant red X-3B as main component under different conditions. 对活性艳红X-3B模拟印染废水进行了不同条件下的电混凝脱色研究。
The passive component of the new hybrid APF makes reactive power compensation while the active and passive component makes harmonic suppression together. 该APF的无源部分补偿无功功率,而其有源、无源部分则共同抑制谐波。
The decomposition approach for nonsinusoidal period current in time domain is discussed, and correlative current components, including active component, reactive component, deactive component and fictitious component, are obtained. 讨论了时域中非正弦周期电流的分解方法,得出了其有功分量、无功分量、电钝分量和虚功分量等相应电流分量。
Method for Determining Quality of Pure Reactive Component in Single Kind of Coal 确定单种煤中纯活性组分质量的方法
A Study on Transient Reactive Power Frequency Component of Non-sinusoidal Current Circuit 非正弦周期电流电路瞬时无功功率频率分量研究
In vector trans control system, the control of stator active power and the control of stator reactive power can be essentially decoupled, and the former is via torque component and the latter is via exciting component of stator current. 再结合矢量控制技术,通过调节转子电流来控制定子电流的转矩分量和励磁分量,相应独立地控制发电机输出的有功功率和无功功率。
Decolourization Test for Wastewater with Reactive Dye as Main Component from Printing and Dyeing Mill by Chemical Coagulation 以活性染料为主要成分的印染废水的混凝脱色试验
On this basis, proposed the theories in the regulation of excitation current by detecting the active component and reactive component of the load. 在此基础上,提出了通过负荷电流的有功分量和无功分量来调节励磁电流的理论。
The low-voltage reactive power compensation device is mainly comprised of capacitance, throwing cut switch component and controller. 从低压无功补偿装置的构成而言,主要由电容器、投切开关元件和控制器3部分组成。
Active component isd and reactive component isq can be obtained by coordinate revolution transformation on the basis of stator voltage vector orientation. Then the low pass filter and the inverse transformation are used to get the three-phase currents in ABC coordinate systems. 该方法通过基于定子电压矢量定向的旋转坐标变换,得到的定子电流的有功分量isd和无功分量isq,低通滤波后再反旋转变换到ABC坐标系下,从而进行电流的极性判断。
Under the power grid voltage stability condition, simulated the current active and reactive component of the grid-side converter side independently. 在电网电压稳定的情况下,对网侧变换器的电流有功分量和无功分量进行独立控制仿真。
It adopts double-loop control, decouples the current from grid side and inverter to active and reactive component respectively. 该方案采用双环控制,通过派克变换分别将并网逆变器输出电流和网侧供给电流解耦为有功分量和无功分量。
Also the method can effectively eliminate the reactive power component in and realize the accuracy detection of harmonic and reactive power. 该方法可以有效消除中所含有的无功电流分量,实现谐波及无功电流的准确检测。
The results of the study show that both the horizontal and the vertical acoustic intensity flux have active and reactive component because of the interference between the normal modes. 研究表明,由于各阶简正波的干涉作用,水平和垂直声强流均既有有功分量,亦有无功分量。
The compensation from SVC is fundamental reactive current, it has become the major task of studying and designing SVC device is that how to find a way to measure fundamental current component and reactive power dramatically, accurately and effectively. 由于SVC所补偿的是基波无功电流,因此如何找到一种快速、准确而又有效的测量基波电流分量和无功功率的方法是研究与设计SVC装置的首要问题。
Firstly, the change of voltage stability domain after the generator reactive power arrives at its limit is analysised. Secondly, we use a more detailed dynamic component model to study the impact of generator and its excitation system parameters on voltage stability. 首先,分析了发电机无功越限对电力系统电压稳定域的影响。其次,采用较详尽的系统动态元件模型,分析了发电机及其励磁系统参数对电压稳定的影响。