Application of Distributed Neuron PID in Synchronous Controlling of an Unbalanced System 分布式神经元PID在不均衡系统同步控制中的应用
The control principle, design idea and engineering fulfilment of TCT static var compensator in unbalanced three-phase system are introduced. 介绍了三相不平衡系统静止型动态无功补偿装置的控制原理、设计思想及工程实现。
The US allowed this unbalanced system to develop and the natural consequence is for Asians, whether citizens or their governments, to own large portions of US assets, and not just treasuries. 既然美国允许这种失衡的制度持续发展,对于亚洲人而言,不管是个人还是政府,拥有美国资产的大部分份额,而且不仅限于购买美国国债,也是自然而然的结果。
This paper proposes a control method for the three phase three wire VSR under the unbalanced system. 三相电网不平衡时,电压会存在负序分量。
Harmonic Transmission Characteristic and Suppression of Unbalanced Power System 三相不平衡系统谐波传输特性及其抑制
Therefore, we must reform the Function of State Family Registration system, get rid of the unbalanced distribution system between cities and countries, and restore the original function of the system. 因此,必须通过改革重构户籍制度的功能,消除附着于户口的城乡居民权利分配不公平制度,恢复户籍制度的本来面目。
Associated with the shooting method and Floquet theory, the dynamic stability and nonlinear phenomena of this unbalanced rotor-seal system were analyzed. 结合Floquet理论和打靶法,分析了该不平衡系统的动力稳定性和非线性行为。
Taking an injection mould with 24 cavities as an example of unbalanced runner system, the process and procedure of designing manmade balance for unbalanced runner system was discussed. 并以一个一模24腔非平衡浇注系统的注射成型模型为例,讨论了其非平衡浇注系统人工平衡设计的方法和过程。
When the thinking enters into the material world to explore, it is essentially looking for a new order in the unbalanced system. 当科学工作者的创造性思维进入阴性物质世界进行探索时,本质上是在非平衡系统中寻找一种新的有序结构。
An approach to power flow and fault analysis of unbalanced distribution system with multi-PV nodes 夕少了动君己己pv.多PV节点的不平衡配电网潮流故障分析方法
A new algorithm for random harmonic current detection based on the d-q transformation in three-phase unbalanced system 基于d-q变换的三相不对称系统任意次谐波电流的检测方法
An algorithm of real time load flow for three phase unbalanced system in complicated distribution system, with high R/ X ratio, radial or weakly looped structure and PV nodes is presented in this paper. 提出了一种解决复杂配电网络(大R/X比值、辐射或弱环结构、含PV节点等)三相不对称系统的快速潮流算法。
A new detection algorithm for random harmonic current in three-phase unbalanced system based on d-q transformation is presented. 提出了一种改进的dq检测法,它能检测出三相不对称系统的任意次谐波电流。
With the theory of unbalanced system, it analyses sustainable evolution pattern and realization path of ocean economic complex system. 运用非平衡系统理论,分析了海洋经济复合系统持续性演化模式及实现的途径。
The nonlinear oscillation of an unbalanced rotor system with unsymmetrical stiffness is studied. 对不对称转子系统的非线性振动问题进行了研究。
Presents the limitations of traditional definitions and the improvements of effective apparent power in the IEEE Trial-Use Standard according to the relation between line loss and apparent power, then defines the nonactive power of 3-phase non-sinusoidal unbalanced system, as can be also called generalized reactive power. 从线损与视在功率平方的关系证明了有效视在功率的科学性,根据有效视在功率的定义,通过功率三角关系得出了三相非正弦非平衡系统的非有功功率,即广义无功功率。
The instability of the unbalanced system motion may result in doubling period bifurcation, almost periodic motion and chaotic motion. 存在不平衡量时,系统失稳可能产生拟周期分岔、倍周期分岔并可能导致混沌振动。
This dissertation pointed out some problems in existing harmonics detection used in three-phase unbalanced system by investigating and studying different kinds of harmonics detection methods. 本文对各种谐波检测方法进行了研究和分析,指出了当前三相不对称电路谐波检测中存在的问题。
A New Method of Harmonic Current Detection for Three-Phase Unbalanced System 一种精确检测三相不对称系统中各次谐波的新方法及其实现
Reactive power compensation of unbalanced three-phase system 三相不平衡系统的无功补偿控制
Fast reactive current detection based on FBD for unbalanced system 不对称系统中基于FBD理论的无功电流快速检测方法
In this program the voltage and current of simultaneous faults or unbalanced power system are calculated by solving the simultaneous equations of multi-port network and of the fault boundary. 本程序应用多端口网络方程和故障端口边界方程联立求解的方法,计算电力系统各种多重故障及任意不对称运行的电压和电流。
In order to suppress the negative sequence current, the unbalanced control system constituted by the symmetrical structure of the positive sequence current control loop and a current control loop of the negative sequence were designed. 以抑制负序电流为控制目标,设计出由结构对称的正序电流控制环和负序电流控制环构成的不平衡控制系统。
A non-decoupling reactive power compensation method which combines hysteresis Loop compare method and SPWM carrier technology is used. Simulation results show that reactive power current of unbalanced system can be compensated effectively with the method of this paper. 使用了一种结合滞环比较和SPWM载波技术的不平衡负载的无解耦无功补偿算法,仿真结果表明本文所采用的方法能够有效地对不平衡系统的感性无功电流进行补偿。
Simulation results proved the validity and practicability of the presented method, the accuracy is satisfactory even in high-resistance grounding situation and in unbalanced system. 仿真研究证明所提方法原理可行、实现简单,对于高阻接地和线路不平衡的情况,亦能准确选线。
This model which can be applied to three-phase unbalanced distribution system has the capacity of capturing unbalanced current in the system. 该模型具有捕获系统中的不平衡电流的能力,可以适用于配电网三相不平衡的情况。
A new method based on single-phase SSSC for mitigating SSO is proposed following the principle that the energy converting between the electrical and mechanical side of generator will be reduced in unbalanced three-phase system. 基于次同步频率下三相不平衡能够减少发电机电气侧与机械侧的能量交互的原理,提出了采用单相SSSC的抑制SSO的新方法。
Frequency dynamic process of multi-machine system is mainly for the unbalanced power system, the node frequency of different location because of the disturbance and regulate with online units would occurrence different dynamic process. 多机系统的频率动态变化过程主要表现为系统产生不平衡功率时,各个不同地理位置的节点频率会因为扰动和各在线机组的调节发生一个不同的动态变化过程。
Diversification as a strategic choice has been attached great importance to the business community in national current unbalanced market system. 多元化作为一种战略选择,在我国目前不均衡的市场体系中,受到了企业界高度重视。
This chapter aims at analyzing how trust can be used as a new financial means under unbalanced financial system. 本章主要研究内容是信托方式如何被运用于在目前非均衡的金融制度下探寻新的金融路径。