戶用多功能光伏發(fā)電系統(tǒng)的研究與設(shè)計(jì)
上傳時(shí)間:2010/11/4 12:04:46
摘要:本文針對(duì)戶用光伏發(fā)電系統(tǒng)的特點(diǎn)和要求進(jìn)行了系統(tǒng)的研究與設(shè)計(jì)。將獨(dú)立逆變與并網(wǎng)逆變相結(jié)合,使系統(tǒng)既可以工作在獨(dú)立逆變狀態(tài), 將儲(chǔ)存在蓄電池組中的能量直接逆變?yōu)檎医涣麟姙樨?fù)載供電, 也可以工作在并網(wǎng)逆變狀態(tài), 將太陽(yáng)能量直接回饋到電網(wǎng)或者將儲(chǔ)存在蓄電池中的多余能量回饋到電網(wǎng)。系統(tǒng)采用32位DSP芯片TMS320F2812構(gòu)成控制核心,利用單片機(jī)PIC16F877A構(gòu)成系統(tǒng)的人機(jī)界面。設(shè)計(jì)的系統(tǒng)具有完善的保護(hù)功能、鍵盤通訊和液晶顯示功能, 為家庭使用提供了方便。實(shí)驗(yàn)結(jié)果驗(yàn)證了方案的可行性。
敘詞:光伏發(fā)電 獨(dú)立逆變 并網(wǎng)逆變 人機(jī)界面
Abstract:This paper provides system research on and design of photovoltaic power generation system. It combines independent inverter and grid-connected inverter, so that the system can function under independent inverter condition, which inverts directly power in the battery into sinusoidal AC power to load power, and it also can function under grid-connected condition, which can turn solar power into the grid or turn surplus power in battery to the grid. The system adopts 32 digits DSP chip TMS320F2812 as its control center, and applies SCM PIC16F877A as its human-machine interface. The system has complete protection function, keyboard communications and LCD, which makes it convenient for household use. Lab experiments prove the feasibility of the scheme.
Keyword:Photovoltaic Power Generation, Independent Inverter, Grid-connected Inverter, Human-machine Interface
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--本文摘自《電源世界》,已被閱讀10227次
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