烏海電網(wǎng)現(xiàn)狀及規(guī)劃研究.pdf

1、華北電力大學(xué)（保定）碩士學(xué)位論文烏海電網(wǎng)現(xiàn)狀及規(guī)劃研究姓名：訾偉申請學(xué)位級別：碩士專業(yè)：電氣工程指導(dǎo)教師：李琳劉俠20081230華北電力大學(xué)工程碩士學(xué)位論文摘要摘要本文主要是通過對烏海電網(wǎng)的現(xiàn)狀，及存在問題進行分析，找出電網(wǎng)存在的薄弱環(huán)節(jié)，合理規(guī)劃，加強電網(wǎng)建設(shè)，確保烏海電網(wǎng)的安全，可靠的運行，提高電網(wǎng)的輸送能力。首先通過電力負荷的分類預(yù)測，進行電力電量平衡，合理的選擇變電站的站址和送電線路的路徑，作出網(wǎng)絡(luò)方案的設(shè)計，確定電壓等級，輸

2、變電設(shè)備的數(shù)學(xué)模型，及網(wǎng)絡(luò)參數(shù)，其次進行必要的電氣計算(潮流、穩(wěn)定、短路)，最后根據(jù)計算結(jié)果和經(jīng)濟比較的方法，確定最優(yōu)的電網(wǎng)規(guī)劃方案。關(guān)鍵詞：電網(wǎng)現(xiàn)狀，負荷預(yù)測，電力平衡，電網(wǎng)規(guī)劃ABSTRACTThisarticlemainlyisthroughtotheWuhaielectricalnetworkpresentsituation，andtheexistencequestioncarriesontheanalysis，discover

3、sweaklinkwhichtheelectricalnetworkexists，thereasonableplan，strengthenstheelectricalnetworkconstruction，guaranteestheWuhaielectricalnetworkthesecurity，thereliablemovement，enhancestheelectricalnetworkdeliverycapacityFirstf

4、orecastthroughthepowerloadclassificationthat，carriesontheelectricpowerelectricquantitytobebalanced，thereasonablechoicetransformersubstationstationsiteandthepowertransmissionsequenceway，makesthenetworkplanthedesign，thedef

5、initevoltagerank，thepowertransformerequipmentmathematicalmodel，andthenetworkparameter，nextcarriesontheessentialelectricalcomputation(tidalcurrent，stable，shortcircuit)，finallyactsaccordingtothecomputedresultandtheeconomic

6、alcomparisonmethod，determinesthemostsuperiorelectricalnetworkplanplanZiWei(ElectricalEngineering)DirectedbyProfLiLinKEYWORDS：Theelectricalnetworkpresentsituation，theloadforecastthat，theelectricpowerisbalanced，electricaln