Band pass filter is adopted to remove the high-frequency switching disturbance in node voltage measurements and avoid the time delay of common low pass filter. 针对开关动态对节点电压采样值的干扰,引入带通滤波,滤除高频动态的同时避免了常规低频滤波的延时。
The phase and magnitude of node voltage are estimated according its real time measurement; 由节点电压的实时采样获得其相位和幅值的估计;
The paper proposes one method of distribution network reconfiguration based on shortest path algorithm and minimum node voltage algorithm. 提出了一种基于最短路算法和最小节点电压法的配电网络重构方法。
Analog circuit fault diagnosis based on node voltage increment vectors and fuzzy mathematics 基于节点电压增量向量和模糊数学的模拟电路故障诊断方法
The Further Analysis of Node Voltage Method and its Matrix Form 结点分析法及其矩阵形式的深入解析
Numerical calculation of substation grounding grid corrosion based on node voltage method 基于节点电压法的变电站接地网腐蚀数值计算
The paper estimates the influence extent of node voltage sags on general equipment sensitivity by process performance index. 提出利用过程性能指数评估节点电压凹陷对一般敏感设备的影响程度。
The Fuzzy Regulating Method Research for Electric Power System Node Voltage 电力系统节点电压的模糊调节方法研究
As using return circuit current and node voltage method to solve the circuit containing ideal power source, making use of the known quantity of ideal power source directly can simplify the calculation. 用回路电流法和节点电压法求解含有理想电源的电路时,直接利用理想电源的已知量,可使计算简化。
Fast construction of voltage stability regions using hybrid analysis method combining loop current with node voltage 利用回路电流和节点电压混合分析法快速构造电压稳定域
Application of node voltage method to the operational circuit analysis 结点电压法在分析运放电路中的应用
Calculate each order origin moment and center moment of the node voltage and the line flow; 计算节点电压和支路潮流的各阶原点矩和中心矩;
According to these theorems fault dictionary method based on Node Voltage Sensitivity weight sequence is presented. By this method, it is easy to construct a fault dictionary of small size which can locate soft or hard fault in linear analog circuit. 在此理论基础上提出了节点电压灵敏度权序列故障字典法,该方法构造故障字典容易,故障字典规模小,能够诊断线性模拟电路软故障和硬故障。
This paper derives the recurrence formula of the node voltage equation. 本文导出了节.点电压方程的递推公式。
Markov interval iterative method is applied to the node voltage analysis of tolerance networks in this paper. 论述了应用Markov区间迭代法对含有容差的网络进行节点电压分析。
The singular value method for estimating node voltage stability and stability index 衡量节点电压稳定的奇异值法和稳定指标
The capability constraint of branches and transformer substation, the security constraint of node voltage are dealt with by the penalty function of individual fitness, by which the problem of individual constraints is solved effectively. 而支路、变电站的容量约束和节点电压安全约束则通过个体适合度的罚函数来处理,从而有效解决了个体的约束处理问题。
In this technique, Z parameter symbolic network functions for transistor equivalent circuit are used to calculate transistor AC characteristics, eliminating the time consuming process in the conventional method, where characteristics are calculated by solving node voltage equations. This technique greatly increases extraction efficiency. 它采用晶体管等效电路的Z参数符号网络函数来计算晶体管交流特性,消除了常规方法中通过求节点电压方程获得特性的耗时过程,因此大大提高了提取效率。
The method of Node Voltage and the simulation software are import parts of research of stability of Naval vessel electric power system. 本文提出的节点电压法以及编制的数值仿真程序是对舰船电力系统稳定性研究重要的组成部分。
Undistinguishing state variables from control variables, this paper considers the increment of node voltage as independent variables of objective function. 本文不区分控制变量和状态变量,以节点电压增量作为目标函数自变量。
The computer aided system analysis ( node voltage method) of the ideal operational amplifier ( OP) circuit is mainly discussed in this paper. 主要研究理想运算放大器电路的系统分析法(节点电压方程)的计算机辅助分析与求解。
Phasor Measurement Unit ( PMU) can provide node voltage phasor measurements, and branch current phasor measurements connected with the node. 同步相量测量单元(PMU)可以直接量测节点电压相量和与该节点相连的支路电流相量。
Analyzes the control action of FACTS devices on line flow and node voltage when the faults of generator and line occur random. 分析了发电机和线路随机故障时FACTS元件对线路潮流和节点电压的控制作用。
In this paper, we propose an efficient power/ ground network solver, which include the absorption& resumption of the trees in the circuits and the method to solve the node voltage equation set by incomplete Cholesky decomposition conjugate gradient. 针对电源和地线网络的特殊性,提出了一个高效的电源和地线网络求解器,包括电路网络中树结构的合并与恢复和用不完全分解的预优共轭梯度法来求解节点电压方程。
Researching the node voltage stability of electric power system, we have advanced a Fuzzy PI voltage regulating method with the ability of following up the node voltage based on Fuzzy Logic theory. 就电力系统中节点电压稳定问题进行了研究,基于人工智能方法中的模糊逻辑理论,提出了一种具有闭环跟踪节点电压能力的fuzzyPI电压调节方法。
Finally, the power flow of distribution network with wind turbine generators has been optimized. Of course, the optimization results are satisfactory, including reduce the distribution network loss, improve the amplitude of system node voltage, and promote the bearing capacity to load. 文章最后还对含有风力发电机组的配电网进行了潮流优化,优化后的配电网网络损耗降低,系统各节点电压幅值得到了有效地提升,进一步提高了配电网对负荷的承载能力。
BFO-PSO algorithm is introduced to solving the parameter design of the fractional order controller. And the coordination control objective function is proposed, which can damp system modal oscillations and keeping node voltage stability. 针对分数阶控制器参数设计问题,引入BFO-PSO算法进行参数求解,提出了阻尼系统模态振荡和稳定节点电压的协调控制目标函数,将控制器设计转化为一个多目标的优化问题。
Considering the distribution network loss minimum for target function, the node voltage, the reactive power compensation capacity and DG output as constraint conditions, established distribution network with DG reactive power optimization mathematical model. 考虑以配电网网损最小为目标函数,节点电压、无功补偿容量和DG出力等为约束条件,建立了含DG配电网无功优化的数学模型。
Based on the different failure modes, this paper gives the equivalent circuit of any fault types, and lists the three-phase node voltage equation of the different fault types and fault node, and conducts failure analysis and calculation. 本文根据不同故障形式,建立电网各种故障类型的等值电路,并针对不同故障类型和故障节点列出故障条件下的三相节点电压方程,并进行故障分析计算。
Using high order Taylor series algorithm to establish the analytic equation between PV nodes reactive power, PQ node voltage amplitude, line current amplitude and power control parameters. 以高阶泰勒级数理论为基础推导并建立了PV节点无功功率、PQ节点的电压幅值、线路电流幅值与功率控制参数的解析关系式。