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IGBT逆变器采用SPWM技术power_3level
该模型是对50kW、380V、50Hz三相三电平逆变器的两个相同电路进行建模。IGBT逆变器采用SPWM技术,(8kHz载频)将直流电源从a +/-200Vdc源转换为220V AC, 50Hz。逆变器通过75kVA 220/380V变压器输入50kW电阻负载。变频器输出采用L-C滤波器滤除主要产生于8kHz开关频率倍数(Fh=n*8000 +/-k*50Hz)附近的谐波频率Fh。逆变器所需的12个逆变脉冲由PWM发生器块产生。该系统以恒定的调制指标在开环中工作。
电路1使用三电平桥块对逆变器进行建模。电路2使用独立的IGBTs和二极管块。用开/关延时块模拟死区,仅在电路1上应用。(It is easy for us)
- 2020-07-14 09:08:52下载
- 积分:1
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matlab_bgl.part01
节点度是指和该节点相关联的边的条数,又称关联度。
特别地,对于有向图,
节点的入度 是指进入该节点的边的条数;
节点的出度是指从该节点出发的边的条数。(Node degree refers to the number of edges associated with the node, also known as the degree of association.
In particular, for a directed graph,
The ingress of a node is the number of edges entering the node;
The out-degree of a node is the number of edges that start from that node.)
- 2018-07-23 21:52:37下载
- 积分:1
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Bi_directional_FixVoltage_2016a
蓄电池双向Boost/Buck充放电控制,与电网结合。(Battery bi-directional Boost/Buck charge and discharge control, combined with the grid.)
- 2018-09-16 10:50:43下载
- 积分:1
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6437832DFIG_simplified_crowbar
说明: 一个简化的simulink中crowbar电路的搭建(Construction of crowbar circuit in a simplified simulink)
- 2020-05-22 16:20:26下载
- 积分:1
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boost
说明: 状态空间Boost建模,用增广系统进行状态反馈控制恒压(The state space boost model is built, and the augmented system is used to control the constant voltage)
- 2020-12-28 14:44:21下载
- 积分:1
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衍射模拟
说明: 用来模拟光学中各种孔径的菲涅耳衍射和夫琅禾费衍射,清晰明了(It is used to simulate Fresnel diffraction and Fraunhofer diffraction of various apertures in optics. It is clear and clear)
- 2020-05-02 10:15:21下载
- 积分:1
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5c
说明: 用Fortran语言编写的abaqus,Dflux热源子程序,路径为环形路径(Abaqus, Dflux heat source subroutine written in Fortran language, with a circular path)
- 2019-07-10 10:02:18下载
- 积分:1
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ABAQUS Python二次开发攻略-配书资源code
说明: ABAQUS Python二次开发攻略-配书资源code(ABAQUS Python secondary development strategy - book resource code)
- 2020-09-27 17:00:20下载
- 积分:1
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对流换热
说明: 通过对导热方程的推导,利用有限体积法,在matlab进行编程模拟,阐述对流传热的机理。(Based on the derivation of heat conduction equation, the finite volume method is used to simulate in MATLAB, and the mechanism of convective heat transfer is described.)
- 2020-07-20 13:08:46下载
- 积分:1
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第五章
机械动力学进行模态分析,频响应分析等动力学的分析(Modal analysis, frequency response analysis and other dynamic analysis of mechanical dynamics.)
- 2018-10-25 09:31:36下载
- 积分:1