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Description: PWM 变频调速FFT分析 use the FFT tool of Powergui to display the frequency spectrum of voltage and current waveforms.
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Size: 11243 |
Author: 楚燕 |
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Description: PWM 变频调速FFT分析 use the FFT tool of Powergui to display the frequency spectrum of voltage and current waveforms. -FFT analysis of PWM VVVF use the FFT tool of Powergui to display the frequency spectrum of voltage and current waveforms.
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Size: 11264 |
Author: 楚燕 |
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Description: 动态无功补偿装置，仅仅是补偿无功功率，它的响应很快，就是补偿速度很快。
有源滤波器，主要是用来滤除电网中的谐波，但是它有补偿无功功率的能力，而且补偿的响应速度更快。目前的产品中，有源滤波器的功率容量相对较小，而且价格较高，所以鲜有专门用来做无功补偿动态无功补偿装置，仅仅是补偿无功功率，它的响应很快，就是补偿速度很快。
有源滤波器，主要是用来滤除电网中的谐波，但是它有补偿无功功率的能力，而且补偿的响应速度更快。目前的产品中，有源滤波器的功率容量相对较小，而且价格较高，所以鲜有专门用来做无功补偿-Run a first simulation with an alpha firing angle of 19 degrees. You should get a DC voltage level of 500 kV. Now, look inside Scope1. Compare the currents flowing into Bus B1 (Iabc_B1, axis 2) with those flowing into Bus B2 (Iabc_B2, axis 3). You can see that the harmonic filters almost eliminate the harmonics generated by the converter. If you use the FFT tool of the powergui, you will find that the harmonic filters reduce the THD of the current injected in the system from 9 to 0.7 . You can also perform other simulations with various values of alpha. Notice the impact on the DC level and on the generated harmonics.
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Size: 14336 |
Author: 徐佳 |
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Description:
DC/DC and DC/AC PWM Converters
This demonstration illustrates use of the Universal Bridge and Discrete PWM Pulse Generator blocks. It also demonstrates harmonic analysis of PWM waveforms using the Powergui/FFT tool.
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Size: 10240 |
Author: iman14 |
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Description:
Single-Phase PWM Inverter
This demonstration illustrates use of the IGBT/Diode block in voltage-sourced converters. It also demonstrates harmonic analysis of PWM waveforms using the Powergui/FFT tool.
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Size: 10240 |
Author: iman14 |
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Description:
Three-Phase Two-Level PWM Converters
This demonstration illustrates use of the Universal Bridge and Discrete PWM Pulse Generator blocks. It also demonstrates harmonic analysis of PWM waveforms using the Powergui/FFT tool.
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Size: 11264 |
Author: iman14 |
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Description:
Three-Phase Three-Level PWM Converter
This demonstration illustrates simulation of a three-phase, three-level inverter and discrete three-phase PWM generator. It also demonstrates harmonic analysis of PWM waveforms using the Powergui/FFT tool
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Size: 10240 |
Author: iman14 |
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Description: DC/DC and DC/AC PWM Converters
This example shows the harmonic analysis of PWM waveforms using the Powergui/FFT tool.
Platform: |
Size: 11264 |
Author: pop pop |
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Description: powergui傅里叶分解详细程序，可以很好的学习FFT内部程序(Fourier transform can be performed)
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Size: 3072 |
Author: 听风入弦
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Description: 示波器CSV文件，导入matlab 利用 simulink的powergui进行FFT计算 方法(The CSV file of the oscilloscope is used the powergui of MATLAB simulink for FFT calculation)
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Size: 218112 |
Author: Aceyj |
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