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A NEW CONTROL STRATEGY BASED ON SPWM INVERTER FOR UTILITY CONNECTED PV SYSTEM

机译：基于SPWM逆变器的实用光伏并网控制策略

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In photovoltaic system connected to the grid, the main goal is to control the power that the inverter injects tothe grid from the energy provided by the photovoltaic generator. In this paper is proposed, a digital implementation of a newcontrol strategy for a photovoltaic system connected to the grid based on the digital pulse-width modulation (DSPWM)which can synchronise a sinusoidal current output with a grid voltage and generate power at unity power factor. This controlis based on the use of PWM patterns previously calculated and tabulated applied to a constant DC bus voltage. Acting on theamplitude modulation index as control parameter, the output current amplitude injected to the grid can be controlled. Thiscontrol has been implemented in a FPGA and it has been validated with the detailed analysis, simulation and experimentalresults.
机译：在并网的光伏系统中，主要目标是控制逆变器注入的功率。 光伏发电机提供的能量将其并入电网。本文提出了一种新的数字实现 数字脉宽调制（DSPWM）的并网光伏系统的控制策略 它可以使正弦电流输出与电网电压同步，并以单位功率因数产生功率。这个控制 它基于先前计算并制成表格的PWM模式的使用，并应用于恒定的DC总线电压。代理 振幅调制指数作为控制参数，可以控制注入电网的输出电流振幅。这 控制已在FPGA中实现，并已通过详细的分析，仿真和实验进行了验证 结果。

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