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ztwd
- 电力系统在台稳定计算式电力系统不正常运行方式的一种计算。它的任务是已知电力系统某一正常运行状态和受到某种扰动，计算电力系统所有发电机能否同步运行 1运行说明： 请输入初始功率S0，形如a+bi 请输入无限大系统母线电压V0 请输入系统等值电抗矩阵B 矩阵B有以下元素组成的行矩阵 1正常运行时的系统直轴等值电抗Xd 2故障运行时的系统直轴等值电抗X d 3故障切除后的系统直轴等值电抗 请输入惯性时间常数Tj 请输入时段数N 请输入哪个时段发生故障Ni
jtwd
- 电力系统静态稳定计算一般采用小干扰法，即首先计算近似的线性微分方程组系数矩阵的特征根。然后根据特征根在复平面上的特性，判别电力系统运行的稳定性 操作说明： 请输入初始功率S0，形如a+bi 请输入无限大系统母线电压V0 请输入系统直轴等值电抗的大小Xd 请输入同步电角速度 请输入惯性时间常数Tj 请输入综合阻尼系数D-static power system stability calculation generally use small interfering, f
dlzd
- 本程序是用节点导纳矩阵计算三相短路电流 输入数据--形成节点阻抗矩阵--选择故障点---计算短路电流----计算个节点电压---计算指定支路的电流-this procedure is used node admittance matrix calculation of three-phase short-circuit current input data -- forming node impedance matrix -- election Optional fault --- calc
caoliu
- PQ分解法潮流计算程序。既可以用于高压输电网的潮流解算，又可以用于低压配电网的潮流解算，还可以同时解算输电网 加配电网的混合潮流问题。-PQ decomposition process flow calculation. Both high-voltage transmission networks can be used to calculate the trend, but also can be used in the trend of low voltage distribution
work
- 已知电压信号序列，利用FFT计算该电压信号的各次谐波及其RMS值。-As the voltage signal sequence is known, FFT is used to calculate the value of harmonics and the voltage RMS value.
hecis_DVR
- Model of power network in EMTP - ATPDraw. In this model is modeled voltage sags.-Model of power network in EMTP- ATPDraw. In this model is modeled voltage sags.
dataacquisition
- The FFT output can suply voltage output waveform and current waveforms. Requirements: · MATLAB 7.7 or higher · MATLAB s SimPowerSystems -The FFT output can suply voltage output waveform and current waveforms. Requirements: · MATLAB 7.7 or higher · MA
Direct_Torque_Control_Lookup_Tables
- Paper about Induction motor drive based on direct torque control (DTC) which allows high dynamic performance to be obtained with very simple hysteresis control scheme. Direct control of the torque and flux is achieved by proper selection of inverter
fuzzy
- Fuzzy neural network based voltage stability evaluation of power systems with SVC
BranchedVCinDC_lather_network
- 线形直流电路网络,支路电压电流计算,C++程序-Computation of voltage and currents of branches in DC lather network
Voltage
- 在高压论坛上下载的关于过电压的计算程序，利用FORTRAN编程的。-Download the high-pressure forum on overvoltage calculation procedures, the use of FORTRAN programming.
dga1
- In each power utility, a numbers of different tests are conducted for evaluating the quality of transformer oil. The information provided by each measurement and analysis techniques has varying degree of significance towards the identificatio
impedence-of-short-and-open-line
- 根据传输线理论，计算无耗传输线的输入输出阻抗，画图表示电压电流和阻抗随线路长的变化-Based on transmission line theory to calculate the input and output impedance of the lossless transmission line, drawing, said the change of voltage, current and impedance with the line length
matpower4.0
- 潮流计算 进行配电网的潮流计算，计算各节点的电压值，使用了前推回代方法-Flow calculation of distribution network load flow calculation, calculate the voltage value of each node, the use of forward and backward substitution method
flow
- 开式网络已知首端电压时的潮流计算程序，输出节点信息，支路信息，全网信息，迭代信息-Flow calculation procedures in the open network known when the first terminal voltage, the output node information, slip information, the information of the whole network, iterative information
niudunlafuxun
- 牛顿拉夫逊法的电力系统潮流计算。 由excel输入电力系统网络与节点数据。 输出节点电压、节点有功、节点无功、支路功率损耗、支路功率流向和网络总损耗。-Newton Raphson power flow calculation. By the the excel input power system network and node data. Output node voltage node active node reactive branch power loss, the bra
flowcalc_easy
- 基于前推回代法的电力系统潮流计算程序。 需要输入支路阻抗和节点功率矩阵。包括支路号、首节点号、尾节点号、支路自阻抗、尾节点给定功率。 输出各节点的电压幅值、相角和各支路电流。-Power flow calculation program based on the forward and backward substitution method. Need input the branch impedance node power matrix. Including branch numb
A-Smart-Current-Sensor
- 一种新式的非接触性能的传感器，能广泛采集电流电压信息，应用前景广阔-A new type of sensor for non-contact performance, broad collection of current and voltage information, and broad application prospects
unbalanced
- Genetic algorithm is used for voltage regulating in unbalanced radial distributions system.here in the algorithm gives initial selection , installation and tap settling for voltage regulators to provide a smooth voltage profile along network .the eff
DY
- 关于利用节点电压法矩阵方程算法来实现的mfc-Mfc node voltage method matrix equation algorithm