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      計(jì)及風(fēng)險(xiǎn)備用約束的含風(fēng)電場(chǎng)電力系統(tǒng)動(dòng)態(tài)經(jīng)濟(jì)調(diào)度(4)

      http://i5h4u.cn 15-09-30 點(diǎn) 擊: 字體: 【

      Chinese).

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      圖7 正旋轉(zhuǎn)備用需求關(guān)于負(fù)備用成本系數(shù)函數(shù)曲線 Fig. 7 Up spinning reserve demand as a function of

      down reserve cost coefficient

      負(fù)旋轉(zhuǎn)備用需求/MW

      kp/($/(MW?h))?

      [J].Automation of Electric Power Systems,2006,30(2):22-26(in Chinese) .

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      調(diào)度[J].中國(guó)電機(jī)工程學(xué)報(bào),2009,29(25):13-18. Zhou Wei,Peng Yu,Sun Hui,et al.Dynamic economic

      圖8 負(fù)旋轉(zhuǎn)備用需求關(guān)于負(fù)備用成本系數(shù)函數(shù)曲線 Fig. 8 Down spinning reserve demand as a function of

      down reserve cost coefficient

      5 結(jié)論

      本文在分析風(fēng)電功率、負(fù)荷等概率特征并建立相應(yīng)概率模型的基礎(chǔ)上,提出了一種計(jì)及2種風(fēng)險(xiǎn)備用約束的含風(fēng)電場(chǎng)電力系統(tǒng)動(dòng)態(tài)經(jīng)濟(jì)調(diào)度新模


      第1期 周瑋等:計(jì)及風(fēng)險(xiǎn)備用約束的含風(fēng)電場(chǎng)電力系統(tǒng)動(dòng)態(tài)經(jīng)濟(jì)調(diào)度 55

      [J].東北電力大學(xué)學(xué)報(bào),2009,29(1):1-7

      Meng Xiangxing,Wang Hong.Electric system scheduling in the condition of synchronization of large-scale wind power[J].Journal of Northeast Dianli University,2009,29(1):1-7(in Chinese).

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      [9] Chen C L,Lee T Y,Jan R M.Optimal wind-thermal

      coordination dispatch in isolated power systems with large integration of wind capacity[J].Energy Conversion and Management,2006,47(18):3456- 3472.

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      incorporating wind power[J].IEEE Transactions on Energy Conversion,2008,23(2):603-611.

      [12] 任博強(qiáng),彭鳴鴻,蔣傳文,等.計(jì)及風(fēng)電成本的電力系

      統(tǒng)短期經(jīng)濟(jì)調(diào)度建模[J].電力系統(tǒng)保護(hù)與控制,2010,38(14):67-72.

      Ren Boqiang,Peng Minghong,Jiang Chuanwen,et al.Short-term economic dispatch of power system modeling considering the cost of wind power[J].Power System Protection and Control,2010,38(14):67-72(in Chinese).

      [13] 江岳文,陳沖,溫步瀛.基于隨機(jī)模擬粒子群算法的含

      風(fēng)電場(chǎng)電力系統(tǒng)經(jīng)濟(jì)調(diào)度[J].電工電能新技術(shù),2007,26(3):37-41.

      Jiang Yuewen,Chen Chong,Wen Buying.Economic dispatch based on particle swarm optimization of stochastic simulation in wind power integrated system [J].Advanced Technology of Electrical Engineering and Energy,2007,26(3):37-41(in Chinese).

      [14] 孫元章,吳俊,李國(guó)杰,等.基于風(fēng)速預(yù)測(cè)和隨機(jī)規(guī)劃

      的含風(fēng)電場(chǎng)電力系統(tǒng)動(dòng)態(tài)經(jīng)濟(jì)調(diào)度[J].中國(guó)電機(jī)工程學(xué)報(bào),2009,29(4):41-47.

      Sun Yuanzhang,Wu Jun,Li Guojie,et al.Dynamic economic dispatch considering wind power penetration based on wind speed forecasting and stochastic programming[J].Proceedings of the CSEE,2009,29(4):41-47(in Chinese).

      [15] 戴慧珠,王偉勝,遲永寧.風(fēng)電場(chǎng)接入電力系統(tǒng)研究的

      新進(jìn)展[J].電網(wǎng)技術(shù),2007,31(20):16-23. Dai Huizhu,Wang Weisheng,Chi Yongning.Recent wind power integration study in China[J].Power System Technology,2007,31(20):16-23(in Chinese). [16] 孟祥星,王宏.大規(guī)模風(fēng)電并網(wǎng)條件下的電力系統(tǒng)調(diào)度

      收稿日期:2011-08-26。 作者簡(jiǎn)介:

      周瑋(1981),女,大連理工大學(xué)電氣工程學(xué)院,博士,講師,研究方向?yàn)楹酗L(fēng)電場(chǎng)電力系統(tǒng)調(diào)度運(yùn)行與安全分析,

      周瑋

      zhouwei-ee@163.com。

      (責(zé)任編輯 劉浩芳)


      Extended Summary

      正文參見(jiàn)pp.47-55

      Dynamic Economic Dispatch of Wind Integrated Power Systems Based on

      Risk Reserve Constraints

      ZHOU Wei1, SUN Hui1, GU Hong1, MA Qian2, CHEN Xiaodong2

      (1. Dalian University of Technology, Dalian 116024, Liaoning Province, China;

      2. Liaoning Electric Power Dispatch and Communication Center, Shenyang 110006, Liaoning Province, China)

      KEY WORDS: wind power generation; dynamic economic dispatch; spinning reserve; risk reserve constraint; interior point method

      Large-scale wind power integration witnesses operational challenges due to the limited predictability and intermittency of wind speed. Especially the dynamic economic dispatch (DED) incorporating with wind power penetration has become complex and difficult. The conventional DED model and method are not suitable for the wind power integrated systems.

      In order to deal with the uncertainties induced by generation forced outages, wind speed and load forecast errors, and quantify the effect of random variables on system risk, two risk indexes are introduced to describe the probabilities of shedding load and wasting energy respectively. And then a novel DED model of wind integrated power systems is proposed as follows:

      min

      h?1n?1

      ?[?Cn(Pn,h)??Cw,n(Wn,h)?

      n?1

      HNNw

      du

      Cp(Rh)?Cr(Rh)]

      ?N

      ?Pn,h?Wh?L,h?0?n??1

      ?Pnmin?Pn,h?Pnmax?

      ?0?Wh?PrNw???rdnT60?Pn,h?Pn,h?1?runT60s.t.?

      u?frisk,u(Rh,Wh,Pn,h)??

      ?

      h,mu

      ?0?Rh?Rup_sum?d

      ,Wh)???frisk,d(Rh

      ?dh,m??0?Rh?Rdown_sum

      involved in the objective function of this DED model.

      The uncertainties modeled by the probabilistic constraints are converted into deterministic inequality constraints. Simultaneously, the smoothing technology is utilized to transform the optimal problem into a typical nonlinear programming problem, and then predictor- corrector interior point method is adopted to solve the DED model.

      The simulation study shows that, besides the optimal allocation of conventional generators, the scheduled power outputs of wind farm, up/down spinning reserve demand in each hour can also be obtained by solving the proposed model, which is given in Tab. 1. Furthermore, analysis indicates that the solution to DED issue using the proposed model is dependent on several factors, such as the system risk threshold, the up and down spinning reserve cost coefficients, etc. For example, the total generation cost decreases when risk threshold ???increases, which can be seen in Fig. 1. This means that the reduction of system security will bring some economic benefits.

      Word文件下載:計(jì)及風(fēng)險(xiǎn)備用約束的含風(fēng)電場(chǎng)電力系統(tǒng)動(dòng)態(tài)經(jīng)濟(jì)調(diào)度(4).doc







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