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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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G
说明: ansys fluent udf 定义空气物性(Definiting air physical properties by UDF)
- 2019-03-07 21:15:32下载
- 积分:1
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J2
说明: 关于J2塑性流动理论的金属3的材料本构隐式子程序umat(Implicit Subprogram UMAT for Material Constitutive of Metal 3 in J2 Plastic Flow Theory)
- 2019-03-20 13:16:17下载
- 积分:1
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FDA range-angle dependent transmit beamforming
频率分集阵列发射波束图仿真,发射波束具有距离-角度耦合性,发射波束图最大值周期性出现,周期等于c/Deltaf。另外,提供了仿真所用的参考文献。(Transmit beamforming of frequency diverse array is range-angle dependent and its maximam is periodic occurrence. the period is equal to c/Deltaf. besides, the references are provided.)
- 2018-07-02 15:02:12下载
- 积分:1
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Laplace
说明: 求解二维拉普拉斯方程的matlab程序的实现(Solving two-dimensional Laplace equation)
- 2019-03-08 17:34:32下载
- 积分:1
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test
说明: 将一个50Hz的干扰信号加入到白噪声中,然后对合成信号做fft,得到相应的幅频谱图和相位谱图。(A 50 Hz interference signal is added to the white noise, and then the composite signal is FFT to get the corresponding amplitude spectrum and phase spectrum.)
- 2021-03-10 00:04:45下载
- 积分:1
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分布式电源接入对配电网的可靠性影响
说明: 分布式电源接入对配电网的可靠性影响相关的仿真模型(Reliability of Distribution Network Affected by Distributed Generation Access)
- 2021-04-26 10:28:45下载
- 积分:1
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one bubble free field
one bubble free field 单气泡自由场计算(one bubble free field)
- 2017-11-21 09:34:44下载
- 积分:1
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分数阶混沌
matlab仿真程序,可以直接运行,是分数阶混沌研究的有效资料(Matlab simulation program, which can run directly, is an effective data of fractional chaos research)
- 2020-10-07 14:57:36下载
- 积分:1
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水轮机调速模型
PID控制的水轮机调速器 simulink模型(Simlink Model of Hydraulic Turbine Governor Controlled by PID)
- 2019-05-18 16:18:03下载
- 积分:1