家用太阳能逆变器解决方案—Ameya360电子元器件平台

Release time:2019-08-14
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source:Ameya360
reading:1635

1、 前言

在每一台太阳能采集器中,其中一个关键终端设备就是太阳能逆变器。太阳能逆变器,或任何一种此类逆变器均接受直流 (DC) 输入,然后将其转换为可用于住宅或商业用途的标准电器和电子元器件设备的交流供电 (AC) 输出。虽然几乎可以应用于任何高功率直流源,逆变器增长的绝大部分仍然是可再生能源领域,尤其是太阳能领域的应用。

家用太阳能逆变器解决方案—Ameya360电子元器件平台

2、 方案概述

Ameya360 家用太阳能逆变器解决方案包括一个连接至电网、用于 DC-AC 的全桥,以及一个连接至太阳能电池板、提高逆变器电压增强并将清洁能源馈入电网的 DC-DC 级。太阳能逆变器的目的是从电池板中提取最大功率,并且将清洁能源馈入电网。为确保这一点,必须准确采样功率级电压和电流,并需要为 DC-AC 和 DC-DC 中的电源开关准确生成脉宽调制 (PWM)。通过更快地感测到线路负载变化,数字控制器可以更加高效,并且会由于更高的工作频率而具有更大的功率密度。


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