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基于Matlab／simulink的交-交变频器仿真研究-Based on Matlab/simulink delivery- AC Inverter Simulation
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针对光伏并网发电系统中关健部件—逆变器的结构设计与控制方法研究进行了详细分析
和阐述。从电网、光伏阵列以及用户对逆变器的要求出发, 分析了各种不同的逆变器拓扑结构与控
制方法, 比较其运行效率和控制效果。对于本文提出了一种基于全桥变换器的正弦波逆变电源的整体设计
方案。文章首先对系统设计中将使用到的DC/DC变换器，DC/AC变
换器以及PWM控制技术在理论上进行了深入的研究。并讨论了数字
式PID控制算法的实现和在系统中的应用，还针对这种基于全桥变换
器的正
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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
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：SPWM调制技术是通过改变输出方波的占空比来改变等效的输出电压，其调制波为正弦波，脉冲宽度间占空
比按正弦规率排列， 这样输出波形经过适当的滤波可以做到正弦波输出。它广泛的用于支流交流逆变器。本次实
验使用Matlab/Simulink对SPWM技术进行仿真并分析数据。-: SPWM modulation by changing the duty cycle square wave output to change the equivalent output voltage, the
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In a deregulated utility environment financial and market forces will demand a more optimal and profitable
operation of the power system with respect to generation, transmission and distribution. Power electronic
equipment such as flexible AC Tra
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Grid-connected distributed generation sources interfaced
with voltage source inverters (VSIs) need to be disconnected
the grid under: 1) excessive dc-link voltage 2) excessive ac
currents and 3) loss of grid-voltage synchronization. In this pa
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PWM波实现直流变成交流的逆变，基于MATLAB软件，且几桥臂是可以按自己要求选择的-PWM WAVE DC to AC inverter, based on MATLAB software, and a few arm can be chosen according to their own requirements
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A photovoltaic array (PVA) simulation model to be
used in Matlab-Simulink GUI environment is developed and
presented in this paper. The model is developed using basic
circuit equations of the photovoltaic (PV) solar cells including the
effect
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From the late nineteenth century through the middle of the twentieth century, DC-to-AC power conversion was accomplished using rotary converters or motor-generator sets (M-G sets). In the early twentieth century, vacuum tubes and gas filled tubes beg
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From the late nineteenth century through the middle of the twentieth century, DC-to-AC power conversion was accomplished using rotary converters or motor-generator sets (M-G sets). In the early twentieth century, vacuum tubes and gas filled tubes beg
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