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1、隨著世界各國對(duì)環(huán)境問題關(guān)注的不斷加強(qiáng),有必要發(fā)展一個(gè)良好、快速的技術(shù)整合可再生能源。傳統(tǒng)電網(wǎng)網(wǎng)絡(luò)中,電力網(wǎng)絡(luò)運(yùn)營商與向用戶之間的能量流是單向的。但現(xiàn)在,電網(wǎng)運(yùn)行的新趨勢(shì)需要電力流具有雙向流動(dòng)性。這意味著用戶在能源管理中不再是被動(dòng)的,也應(yīng)參與到發(fā)電和管理當(dāng)中。
實(shí)現(xiàn)這一新技術(shù)趨勢(shì)的新思路已經(jīng)出現(xiàn),即微電網(wǎng)(MG)網(wǎng)絡(luò)。MG主要是由微源和電力電子逆變器組成。微源可以是可再生能源,如太陽能,風(fēng)能等或可燃代。一旦MG集成的可再生能
2、源投入日常運(yùn)行,它需要使用分布式儲(chǔ)能系統(tǒng)以克服可再生能源的波動(dòng),保證不間斷的能源供應(yīng)。
此外,MG需要智能的方式,它必須能夠得到MG網(wǎng)絡(luò)的任何一點(diǎn)信息,信息技術(shù)的應(yīng)用是為了更好的使用能源管理系統(tǒng)。其次,MG應(yīng)該納入其能源管理負(fù)荷預(yù)測。負(fù)荷預(yù)測幫助燃料調(diào)度,自動(dòng)發(fā)電控制(AGC),發(fā)電調(diào)度等負(fù)荷預(yù)測功能,是一個(gè)非線性函數(shù)。在選擇了相當(dāng)數(shù)量的層和神經(jīng)元的情況下,人工神經(jīng)網(wǎng)絡(luò)(ANN)適用任何非線性函數(shù)。在這項(xiàng)工作中要解決的主要
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