風(fēng)資源數(shù)據(jù)處理

1、 風(fēng)資源測(cè)量與評(píng)估實(shí)務(wù)測(cè)風(fēng)數(shù)據(jù)處理與驗(yàn)證 測(cè)風(fēng)數(shù)據(jù)處理測(cè)風(fēng)數(shù)據(jù)處理包括對(duì)數(shù)據(jù)的驗(yàn)證、訂正，并計(jì)算評(píng)估風(fēng)資源所需要的參數(shù)。1 數(shù)據(jù)驗(yàn)證 數(shù)據(jù)的驗(yàn)證是檢查風(fēng)場(chǎng)測(cè)風(fēng)獲得的原始數(shù)據(jù)，對(duì)其完整性和合理性進(jìn)行判斷。經(jīng)過(guò)初步檢驗(yàn)和審查，沒(méi)有發(fā)現(xiàn)不合理的數(shù)據(jù)和缺測(cè)的數(shù)據(jù)。2 數(shù)據(jù)檢驗(yàn)(1). 完整性檢驗(yàn)數(shù)據(jù)數(shù)量與時(shí)間順序應(yīng)與預(yù)期數(shù)據(jù)一致。(2). 合理性檢驗(yàn) 范圍檢驗(yàn)主要參數(shù)合理范圍平均風(fēng)速0 小時(shí)平均值40m/s風(fēng)向0小時(shí)平均值360平均氣壓94kpa<小時(shí)平均值<106kpa相關(guān)性檢驗(yàn)50m/30m高度小時(shí)平均風(fēng)速差值<2.0m/s50m/10m高度小時(shí)平均風(fēng)速差值<4.

2、0m/s50m/30m高度風(fēng)向差值<22.5趨勢(shì)檢驗(yàn)1h平均風(fēng)速變化<6m/m3很平均氣壓變化<1kpa1h平均溫度變化<5所有數(shù)據(jù)均在同一高度，故無(wú)需相關(guān)性檢查。另外，要仔細(xì)判別并處理不合理數(shù)據(jù)。有效數(shù)據(jù)完整率=有效數(shù)據(jù)完整率要達(dá)到90%。三. 數(shù)據(jù)訂正 根據(jù)長(zhǎng)期測(cè)站的觀測(cè)數(shù)據(jù)，將測(cè)風(fēng)數(shù)據(jù)訂正為一套反映風(fēng)場(chǎng) 長(zhǎng)期平均水平的代表性數(shù)據(jù) ，即風(fēng)場(chǎng)測(cè)風(fēng)高度上代表年的逐小時(shí)風(fēng) 速風(fēng)向數(shù)據(jù)。四.數(shù)據(jù)處理將訂正后的數(shù)據(jù)處理成 評(píng)估風(fēng)場(chǎng)風(fēng)能資源所需要的各種參數(shù) ，包括不同時(shí)段的平均風(fēng)速和風(fēng)功率密度、風(fēng)速頻率分布、風(fēng)向頻率等。.（1）平均風(fēng)速 月平均、年平均；個(gè)月同一鐘點(diǎn)平均、全年同

3、一鐘點(diǎn)平均。（2） 風(fēng)功率密度Dwp-平均風(fēng)功率密度，W/m2n-在設(shè)定時(shí)段內(nèi)的記錄數(shù)-空氣密度，kg/m3-第i記錄的風(fēng)速（m/s）值的立方平均風(fēng)功率密度的計(jì)算應(yīng)是設(shè)定時(shí)段內(nèi)逐小時(shí)風(fēng)功率密度的平均值，不可用年（或月）平均風(fēng)功率密度。Dwp中的必須是當(dāng)?shù)啬昶骄?jì)算值。它取決于溫度和壓力，空氣密度可按照如下公式進(jìn)行計(jì)算：（一般取1.025）-空氣密度，kg/m3P-年平均大氣壓力，PaR-氣體常數(shù)（287J/kgK）T-年平均空氣開氏溫標(biāo)絕對(duì)溫度綜合以上數(shù)據(jù)，再畫出風(fēng)速、風(fēng)功率密度折線圖然后算出風(fēng)向頻率畫出風(fēng)玫瑰圖。每日每時(shí)平均風(fēng)速日期/時(shí)間1112131415161718192000.961.

4、340.490.080.900.351.330.750.502.1911.531.220.090.161.460.601.430.380.401.4321.371.230.590.200.730.581.590.660.851.8031.641.340.370.091.241.211.510.150.611.2041.761.370.590.021.311.391.310.780.901.7851.841.431.030.131.280.471.220.261.361.6261.831.510.940.211.090.701.450.481.471.2371.881.481.760.100.5

5、70.601.450.221.941.1782.071.401.550.150.700.711.040.791.361.7791.791.701.500.390.911.530.820.701.491.67102.121.571.160.731.401.270.790.991.531.44111.941.641.821.640.710.811.300.990.902.22122.111.431.780.930.921.072.220.651.181.34132.351.951.240.881.171.082.231.861.401.82141.871.871.341.111.090.912.2

6、61.501.322.50151.941.640.981.061.150.742.291.331.162.71161.671.511.090.360.860.642.071.290.532.18171.781.760.940.390.660.791.491.560.611.92181.281.540.160.010.111.231.110.940.241.15191.840.680.070.140.001.611.400.811.150.97201.800.780.220.670.001.540.790.861.450.90211.610.470.101.240.001.170.670.371

7、.230.64221.450.360.101.240.180.840.950.191.100.05231.410.720.070.710.431.241.370.290.610.15日期/風(fēng)向11121314151617181920(N)5545511871610249608481278393(NNE)1611681412064102314668(NE)1181151010217352131851(ENE)10110086049475123854(E)72118108417135554418124(ESE)62479128519275433666108(SE)31294138179146212

8、223023(SSE)9544832796318410(S)7401063559723(SSW)54277330314(SW)42123458207811(WSW)15130764143205(W)4256402052306(WNW)1292002833510833310(NW)48567559685351337165(NWN)0000000000每日每時(shí)風(fēng)功率密度日期/時(shí)間11日12日13日14日15日16日17日18日19日20日0時(shí)1.222.223.224.225.226.227.228.229.2210.221時(shí)2.223.224.225.226.227.228.229.2210.2

9、211.222時(shí)3.224.225.226.227.228.229.2210.2211.2212.223時(shí)4.225.226.227.228.229.2210.2211.2212.2213.224時(shí)5.226.227.228.229.2210.2211.2212.2213.2214.225時(shí)6.227.228.229.2210.2211.2212.2213.2214.2215.226時(shí)7.228.229.2210.2211.2212.2213.2214.2215.2216.227時(shí)8.229.2210.2211.2212.2213.2214.2215.2216.2217.228時(shí)9.2210.

10、2211.2212.2213.2214.2215.2216.2217.2218.229時(shí)10.2211.2212.2213.2214.2215.2216.2217.2218.2219.2210時(shí)11.2212.2213.2214.2215.2216.2217.2218.2219.2220.2211時(shí)12.2213.2214.2215.2216.2217.2218.2219.2220.2221.2212時(shí)13.2214.2215.2216.2217.2218.2219.2220.2221.2222.2213時(shí)14.2215.2216.2217.2218.2219.2220.2221.2222.2

11、223.2214時(shí)15.2216.2217.2218.2219.2220.2221.2222.2223.2224.2215時(shí)16.2217.2218.2219.2220.2221.2222.2223.2224.2225.2216時(shí)17.2218.2219.2220.2221.2222.2223.2224.2225.2226.2217時(shí)18.2219.2220.2221.2222.2223.2224.2225.2226.2227.2218時(shí)19.2220.2221.2222.2223.2224.2225.2226.2227.2228.2219時(shí)20.2221.2222.2223.2224.222

12、5.2226.2227.2228.2229.2220時(shí)21.2222.2223.2224.2225.2226.2227.2228.2229.2230.2221時(shí)22.2223.2224.2225.2226.2227.2228.2229.2230.2231.2222時(shí)23.2224.2225.2226.2227.2228.2229.2230.2231.2232.2223時(shí)24.2225.2226.2227.2228.2229.2230.2231.2232.2233.22五.總結(jié) 通過(guò)這次風(fēng)資源測(cè)量評(píng)估課程的數(shù)據(jù)訂正與處理，使我們熟悉了對(duì)所測(cè)量的風(fēng)能數(shù)據(jù)進(jìn)行處理和分析的過(guò)程，掌握了對(duì)驗(yàn)證完成的數(shù)據(jù)經(jīng)過(guò)各種處理程序來(lái)評(píng)估風(fēng)能資源的評(píng)估，也學(xué)習(xí)了風(fēng)能估算和風(fēng)力發(fā)電機(jī)組微觀選址軟件WAsP,初步學(xué)會(huì)了計(jì)算和輸出相應(yīng)的風(fēng)能參數(shù)。  我們小組所處理的是10天的按每分鐘記錄工一樓上的風(fēng)速、溫度、風(fēng)向、濕度以及大氣壓的原始數(shù)據(jù)，總數(shù)據(jù)為14400個(gè)，工作量很大，但我們小組分工明確，秉著嚴(yán)謹(jǐn)?shù)墓ぷ鲬B(tài)度，一絲不茍的將每個(gè)數(shù)據(jù)仔細(xì)分析、計(jì)算，雖然在計(jì)算過(guò)程中遇到了一些問(wèn)題，但我們沒(méi)有放棄，我們會(huì)相互討論，也會(huì)在網(wǎng)上尋找答案，最終解決了各種困難，經(jīng)過(guò)幾天的努力，龐大的數(shù)據(jù)終于處理完了，我們得出了每日每小時(shí)風(fēng)速的分布圖線，每日每小時(shí)的風(fēng)功率密度圖線，和每天的風(fēng)能玫瑰圖，最終，我們很順利的