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見表表表4。表2平均負(fù)荷增長(zhǎng)率為10%規(guī)劃結(jié)果節(jié)點(diǎn)號(hào)安裝容量(kW)節(jié)點(diǎn)號(hào)安裝容量71017209102130122024301310303201411031701513032601640表3平均負(fù)荷增長(zhǎng)率為15%規(guī)劃結(jié)果節(jié)點(diǎn)號(hào)安裝容量(kW)節(jié)點(diǎn)號(hào)安裝容量72021309302470112027301560281016180303501720315019103230表4平均負(fù)荷增長(zhǎng)率為20%規(guī)劃結(jié)果節(jié)點(diǎn)號(hào)安裝容量(kW)節(jié)點(diǎn)號(hào)安裝容量10502340122024901415029130167030601740311701820321002140在一個(gè)配電網(wǎng)系統(tǒng)中,隨著平均負(fù)荷增長(zhǎng)率的增大,支路潮流會(huì)發(fā)生越限,如果不投資擴(kuò)建線路容量勢(shì)必會(huì)對(duì)系統(tǒng)安全運(yùn)行造成威脅,通過本文的算例仿真可以說明分布式發(fā)電的合理規(guī)劃接入完全可以使這部分投資減緩。當(dāng)平均負(fù)荷增長(zhǎng)率為10%、15%和20%時(shí)DG在配電網(wǎng)中排放污染物總量分別為16032kg、16964kg和18268kg,可見隨著平均負(fù)荷增長(zhǎng)率的增加,分布式發(fā)電的安裝容量增大了,相對(duì)應(yīng)的污染物排放總量增加了。鐃誅臥瀉噦圣騁貺頂廡縫勵(lì)羆楓鱷燭。5.結(jié)論本文研究了以天然氣為燃料的微型燃?xì)廨啓C(jī)這一類不受地理、自然條件約束的DG在配電網(wǎng)中的優(yōu)化布置和定容問題。建立了以環(huán)保效益最大化為目標(biāo)的規(guī)劃模型,并且在約束條件中加入了未來負(fù)荷增長(zhǎng)條件下的支路傳輸功率約束,最后,使用了遺傳算法對(duì)該模型進(jìn)行求解。通過算例計(jì)算分析,驗(yàn)證了模型和算法的合理性和有效性。擁締鳳襪備訊顎輪爛薔報(bào)贏無貽鰓閎。作為初步研究,本文只考慮了環(huán)保效益最大化的分布式發(fā)電的優(yōu)化布置和定容問題,下一步的工作是研究對(duì)于DG接入后環(huán)保性和經(jīng)濟(jì)性的綜合優(yōu)化問題。贓熱俁閫歲匱閶鄴鎵騷鯛漢鼉匱鯔潰。參考文獻(xiàn)Ackerman T, Anderson G, and Seder L.Distributed Generation: A Definition[J].Electric Power System Research, 2001,57(6):195204.壇摶鄉(xiāng)囂懺蔞鍥鈴氈淚躋馱釣繢鯨鎦。Puttgen H B, MacGregor P R, and Lambert F C.Distributed Generation: Semantic Hype or the Dawn of ANew Era? [J].IEEE Power and Energy Magazine, 2003,1(1):。Caisheng Wang ,Nehrir M H.Analytical Approaches for Optimal Placement of Distributed Generation Sources in Power Systems[J].IEEE Transactions on Power Systems, 2004,19(4):。McDermott T E,Dugan R C.Distributed Generation Impact on Reliability and Power Quality Indices[C].in Proc. 2002 Rural Electric Power Conference:。Chiradeja P,Ramakumar R.An Approach to Quantify the Technical Benefits of Distributed Generation[J].IEEE Trans on Energy Conversion,2004,19(4):。陳海焱,段獻(xiàn)忠,陳金富.分布式發(fā)電對(duì)配網(wǎng)靜態(tài)電壓穩(wěn)定性的影響[J].電網(wǎng)技術(shù),2006,3(19):2730.貓蠆驢繪燈鮒誅髏貺廡獻(xiàn)鵬縮職鯡樣。Chen Haiyan, Duan Xianzhong, Chen Jinfu. Impacts of Distributed Gener