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Dynamicmodelsimulationofdoubly-fedwindturbines
- 为满足在电网发生故障时风电机组需保持与电网连接并向系统不间断供电的要求,提出 了双馈风力发电机的动态模型、变流器模型、变流器保护及电网模型,以研究双馈风力发电机的暂 态特性.以1·5MW SUT-1500双馈风力发电机为原型,由一个无穷大电源等效电网模型,变流器模 型采用定子磁链的定向电流矢量控制方法,利用PSCAD软件对双馈电机的暂态特性进行仿真.仿 真结果表明,矢量控制能够实现双馈电机的有功、无功解耦,并可改善系统的低压穿越能力. -To meet the power f
attachments
- The work presented in this thesis includes control system design, analysis and grid synchronization of a DFIG (doubly-fed induction generator) driven by a wind turbine using stator-voltage and stator-flux oriented frames. The DFIG is a special type o
Stator_flux_optimised_Direct_Torque_Control_system
- 一种适用于感应电机的定子磁链优化的直接转矩控制技术。-One for induction motor stator flux-optimized direct torque control technique.
DTC_PMSM_01
- my first PMSM drive model based on DTC, by using stator resistance Rs to measure the flux. a very simple model
dirct-torque-sensorless
- 异步电机的精确控制和速度辨识是交流传动系统中重要问题。在该仿真系统中，电机转速采用易于检测的电机定子电压和电流得到转速MRAS辨识算法来估算。由于速度辨识算法中电压模型的纯积分环节会引起的误差积累和漂移问题，采用改进积分型转子磁链估算模型来解决。-The precise control and the speed identification of AC motor are the very important issues on AC drive system.In this system,
mohu-dirct-torque
- 该仿真模型是一种利用模糊控制器调节PWM信号占空比的异步电动机直接转矩控制的策略，即在传统异步电动机直接转矩控制的基础上，用模糊控制器代替传统DTC中的滞环比较器和空间电压矢量状态选择器来细分控制规则，最后控制逆变器的开关，以减小转矩和磁链脉动，从而改善交流异步电机伺服系统的动、静态品质，使整个系统具有较强的鲁棒性和自适应性。-A method of the stator resistance estimate which based on the fuzzy neural network wa
beerten
- In this paper, a comparison is made between different implementations of the three-level torque comparator for a Direct Torque Control (DTC) based induction motor drive. The DTC scheme controls stator flux and torque by means of hysteresis co
dfign
- 实现了定子磁链定向的DQ坐标系下的双馈电机模型-Stator flux oriented to achieve the DQ coordinate system doubly-fed machine model
directcontrol
- 采用Hopfield神经网络的改进异步电动机直接转矩控制方法，可以有效的降低电磁转矩、定子磁链和定子电流的波动。-Improved Hopfield neural network using asynchronous motor direct torque control method can effectively reduce the electromagnetic torque, stator flux and stator current fluctuations.
xy7z.ZIP
- 基于改进型磁链观测器直流励磁同步电机控制Based on the improved of stator flux observer of DC excitation synchronous motor control-Based on the improved of stator flux observer of DC excitation synchronous motor control
DTC--bp
- 电机的直接转矩控制，用神经网络替代定子磁链观测器-Motor direct torque control using the neural network to replace the stator flux observer
t6u3vw.ZIP
- 截止频率可变的定子磁链计算方法Cut off frequency variable stator flux calculation method-Cut off frequency variable stator flux calculation method
iv_phi
- dtc直接转矩控制 运动控制 陈伯时 定子磁链模型-the dtc direct torque control of the movement control of Mr and Mrs stator flux model
FOC_MAS
- stator-flux oriented control of an induction motor under simulink
A-comparison-of-stator-flux-linkage-estimators-fo
- A comparison of stator flux linkage estimators for a direct torque controlled PMSM drive
update1
- 搭建永磁同步电机的直接转矩控制仿真模型 1，实测电流经过3/2变换得到alpha-beta轴上的电流； 2，估计模块中包含定子磁链和电磁转矩的估算，其中，定子磁链观测是采用基于转子位置和定子电流的磁链估计，电磁转矩直接在alpha-beta轴上计算； 3，转速调节模块和转矩调节模块直接采用PI调节器； 4，预期电压矢量估计模块，根据k时刻的磁链幅值与相位和k+1时刻的磁链幅值和相位计算出来的； 5，SVMPWM是空间电压矢量调制模块，实现空间任意角度任意大小的电压矢量，从而控
SVPWM
- SVPWM的主要思想是以三相对称正弦波电压供电时三相对称电动机定子理想磁链圆为参考标准，以三相逆变器不同开关模式作适当的切换，从而形成PWM波，以所形成的实际磁链矢量来追踪其准确磁链圆。传统的SPWM方法从电源的角度出发，以生成一个可调频调压的正弦波电源，而SVPWM方法将逆变系统和异步电机看作一个整体来考虑，模型比较简单- The main idea is based on SVPWM symmetrical three-phase sine wave voltage supply thr
1_5MWDFIG-kongzhixitong
- 本文设计了1.SMW双馈型风机变频器的整体硬件电路,满足风机整体工作的稳定 性和高效率"为实现LVRT功能,设计了一种新的CROWBAR电路,并对电路的控制 电路做了改进"研究了1.SMW双馈型风机变频器系统的控制策略,转子侧变换器采用 定子磁链定向矢量控制技术,网侧PWM变换器采用电网电压定向矢量控制技术,构建 了电流内环!电压外环的双闭环PI控制系统,导出了采用转子有功电流和无功电流独 立解祸来控制有功功率和无功功率的策略-This pape
21__430_436
- The generating systems use Doubly-Fed Induction Generators (DFIGs) to achieve high conversion efficiency and to reduce the installation cost. This paper presents a modeling and Maximum Power Point Tracking (MPPT) control method of DFIG-based vari
PMSM_dtc.slx
- 直接转矩控制的实质是用空间矢量的分析方法，以定子磁场定向方式，对定子磁链和电磁转矩进行直接控制的(The essence of DTC is to directly control stator flux linkage and electromagnetic torque by means of space vector analysis and stator magnetic field orientation.)