電力系統(tǒng)課程設(shè)計(jì)-電力系統(tǒng)潮流、短路計(jì)算和暫態(tài)穩(wěn)定性分析

1、燕山大學(xué)課 程 設(shè) 計(jì) 說 明 書題目：電力系統(tǒng)潮流、短路計(jì)算和暫態(tài)穩(wěn)定性分析（一）學(xué)院（系）： 年級(jí)專業(yè)： 學(xué) 號(hào)： 學(xué)生姓名： 指導(dǎo)教師： 教師職稱： 1 / 29目 錄第1章 設(shè)計(jì)說明.4 1.1 設(shè)計(jì)技術(shù)參數(shù) 4 1.2 設(shè)計(jì)要求 4第2章 設(shè)計(jì)原理及分析.5 2.1 設(shè)計(jì)原理.5 2.2 應(yīng)用PowerWorld設(shè)計(jì)的原理圖5第3章 靜態(tài)安全分析 6第4章 系統(tǒng)潮流分布及網(wǎng)絡(luò)損耗 6 4.1 負(fù)荷與節(jié)點(diǎn)參數(shù) 6 4.2 線路及發(fā)電機(jī)參數(shù) .7第5章短路電流及短路故障 8 5.1 節(jié)點(diǎn)短路 .8 5.1.1 單相接地 8 5.1.2相間短路 10 5.1.3三相對(duì)稱 11 5.1.4兩

2、相接地 13 5.2 線路短路 .14 5.2.1單相接地 .14 5.2.2相間短路 165.2.3 三相對(duì)稱 17 5.2.4 兩相接地 19 第6章 暫態(tài)穩(wěn)定性分析 20 6.1 系統(tǒng)接入故障后穩(wěn)定性分析 21第7章 心得體會(huì) .27參考文獻(xiàn) 27 電氣工程學(xué)院課程設(shè)計(jì)任務(wù)書課程名稱：電力系統(tǒng)分析基層教學(xué)單位：電力工程系 指導(dǎo)教師：殷桂梁 王珺學(xué)號(hào)學(xué)生姓名（專業(yè)）班級(jí)設(shè)計(jì)題目電力系統(tǒng)潮流、短路計(jì)算和暫態(tài)穩(wěn)定性分析（一）設(shè)計(jì)技術(shù)參數(shù)某系統(tǒng)由三個(gè)發(fā)電廠和三個(gè)負(fù)荷點(diǎn)組成，如圖所示。輸電系統(tǒng)電壓等級(jí)為110kV，負(fù)荷額定功率標(biāo)示如圖。節(jié)點(diǎn)2-4距離為50km，2-6為80km，2-7為35km，

3、2-8為60km，2-9為30km，4-6為30km，4-7為40km，4-8為30km，4-9為55km，6-7為50km，6-8為30km，6-9為20km，7-8為45km，7-9為50km，8-9為65km?？蛇x導(dǎo)線型號(hào)和單位長(zhǎng)度導(dǎo)線參數(shù)如表所示。變壓器電抗為標(biāo)么值，基準(zhǔn)功率為100MW，基準(zhǔn)電壓為110kV。設(shè)計(jì)要求設(shè)計(jì)的供電網(wǎng)絡(luò)應(yīng)保證當(dāng)系統(tǒng)中任一條線路發(fā)生故障時(shí)，各負(fù)荷均不斷電。運(yùn)用Power World軟件計(jì)算出系統(tǒng)潮流分布和各母線短路時(shí)不同短路類型情況下的短路電流，并進(jìn)行暫態(tài)穩(wěn)定性分析。計(jì)算容許誤差為105。最后將最終結(jié)果列表在報(bào)告中。參考資料夏道止，電力系統(tǒng)分析，中國電力出版

4、社，2004年陳珩，電力系統(tǒng)穩(wěn)態(tài)分析，中國電力出版社，1995年李光琦，電力系統(tǒng)暫態(tài)分析，中國電力出版社，1995年周次第一周應(yīng)完成內(nèi)容設(shè)計(jì)系統(tǒng)的接線形式，選擇線路參數(shù)。對(duì)設(shè)計(jì)的電網(wǎng)結(jié)構(gòu)進(jìn)行靜態(tài)安全分析，判斷系統(tǒng)運(yùn)行的薄弱環(huán)節(jié)。計(jì)算系統(tǒng)潮流分布，分析網(wǎng)絡(luò)損耗。計(jì)算某一母線和線路不同短路類型情況下的短路電流，對(duì)比分析不同類型短路情況下對(duì)母線電壓、線路電流和發(fā)電機(jī)的影響。進(jìn)行暫態(tài)穩(wěn)定性分析，確定系統(tǒng)在較嚴(yán)重事故情況下的臨界切除故障時(shí)間，撰寫課程設(shè)計(jì)報(bào)告、答辯。指導(dǎo)教師簽字基層教學(xué)單位主任簽字說明：任務(wù)書要求裝訂到課程設(shè)計(jì)報(bào)告前面。電氣工程學(xué)院 教務(wù)科第1章·設(shè)計(jì)說明1·1設(shè)計(jì)技

5、術(shù)參數(shù)發(fā)電機(jī)參數(shù)：G1：SN=150MVA，H=9.36s，D=10.0G2：SN=80MVA，H=5.24s，D=3.8G3：SN=100MVA，H=7.33s，D=4.5所用導(dǎo)線有：導(dǎo)線型號(hào)r1(/km） x1(/km)b1×10³(s/LGJ-1200.270.4232.6LGJ-1500.210.4162.741·2設(shè)計(jì)要求設(shè)計(jì)的供電網(wǎng)絡(luò)應(yīng)保證當(dāng)系統(tǒng)中任一條線路發(fā)生故障時(shí)，各負(fù)荷均不斷電。運(yùn)用Power World軟件計(jì)算出系統(tǒng)潮流分布和各母線短路時(shí)不同短路類型情況下的短路電流，并進(jìn)行暫態(tài)穩(wěn)定性分析。計(jì)算容許誤差為105。最后將最終結(jié)果列表在報(bào)告中。二&#

6、183;設(shè)計(jì)原理及分析2.1 設(shè)計(jì)原理 根據(jù)設(shè)計(jì)要求，需保證任意一條線路出現(xiàn)故障時(shí)，每個(gè)負(fù)荷均不斷電，因此必須保證每個(gè)節(jié)點(diǎn)處同時(shí)至少連接兩條線路，當(dāng)一條線路斷開時(shí)發(fā)電機(jī)可過另一條線路給負(fù)荷供電，設(shè)計(jì)如下圖。2·2應(yīng)用POWER WORLD軟件設(shè)計(jì)的原理圖第3章·靜態(tài)安全分析 安全分析，是用預(yù)想事故的分析方法來預(yù)知系統(tǒng)是否存在安全隱患，以便及早采取相應(yīng)的措施防止系統(tǒng)發(fā)生大的事故。靜態(tài)安全分析可判斷發(fā)生預(yù)想事故后系統(tǒng)是否會(huì)過負(fù)荷。Contingency Records標(biāo)簽跳過已處理已求解電氣島負(fù)荷電氣島發(fā)電機(jī)有功自動(dòng)繪制QV曲線?越限最大支路越限%T_000055-000066

7、C1NOYESYESNO0T_000033-000044C1NOYESYES40NO0T_000011-000022C1NOYESYES40NO0L_000077-000088C1NOYESYESNO0L_000066-000099C1NOYESYESNO0L_000066-000088C1NOYESYESNO0L_000044-000088C1NOYESYESNO0L_000044-000077C1NOYESYESNO0L_000022-000099C1NOYESYESNO0L_000022-000077C1NOYESYESNO0共完成0越限和0個(gè)不可求解事故。第4章 系統(tǒng)潮流計(jì)算1 負(fù)荷編

8、號(hào) 節(jié)點(diǎn)區(qū)域名稱Load分區(qū)名稱LoadID狀態(tài)有功無功視在功率恒功率有功負(fù)荷恒功率無功負(fù)荷6111Closed1.50.31.529711.50.32111Closed30.53.0413830.54111Closed515.09902518111Closed45545.276924557111Closed50550.249385059111Closed70770.349137072 節(jié)點(diǎn)編號(hào)名稱區(qū)域名稱基準(zhǔn)電壓標(biāo)幺電壓實(shí)際電壓相角(度)有功負(fù)荷無功負(fù)荷發(fā)電機(jī)有功發(fā)電機(jī)無功5511101110098.1411.3403311101.04654115.1199-2.39132408111110

9、1.02168112.385-2.7143740106611101.06667117.334-2.819661.5010FaultPt11101.04281114.7089-4.379147711101.03176113.4936-5.247535059911101.03525113.8775-4.919837078811101.05268115.7946-4.699524554411101.06923117.6158-3.56159512211101.04762115.2377-4.01261313 支路參數(shù)Line Records 首端節(jié)點(diǎn)編號(hào) 末端節(jié)點(diǎn)編號(hào)狀態(tài)是否變壓器RXB極限A MV

10、A12ClosedYes00.06250027ClosedNo0.13010.127270.010910029ClosedNo0.010830.086440.011810034ClosedYes00.05860046ClosedNo0.111530.109090.009410047ClosedNo0.167230.163640.014110048ClosedNo0.111530.109090.009410056ClosedYes00.0570068ClosedNo0.012890.102880.009913569ClosedNo0.069410.06860.006614078ClosedNo0

11、.167230.163640.014110079ClosedNo0.086690.171840.01661004 支路狀態(tài)首端節(jié)點(diǎn)編號(hào) 末端節(jié)點(diǎn)編號(hào)回路狀態(tài)是否變壓器有功 首端節(jié)點(diǎn)無功 首端節(jié)點(diǎn)視在功率 首端節(jié)點(diǎn)視在功率極限%視在功率極限(最大值)有功損耗無功損耗121ClosedYes401041.23106000.0000020.957725271OpenNo000100000291ClosedNo21.42611.8114224.4666110024.808430.060622-0.7962101ClosedNo15.575-3.2691415.9126810015.912680.088

12、7860.086855341ClosedYes40840.79216000.0000010.84634461ClosedNo-5.387.500439.1957510010.06250.090638-0.98344471ClosedNo22.091.3992622.1323610022.132360.720762-0.8512481ClosedNo18.23219-2.7460218.4378310018.437830.329042-0.73631561ClosedYes98.1281.3401598.15043000.0000084.831311681ClosedNo37.112169.88

13、44738.4059213528.448830.1684010.232344691ClosedNo54.1182-5.1917654.3666614038.833331.8008291.050667781ClosedNo-9.68289-4.0136510.4817810010.481780.164015-1.37123791ClosedNo-3.67247-1.116243.838361003.838360.011027-1.751251071ClosedNo15.48448-2.7578515.7281610015.728160.2071680.2026615 發(fā)電機(jī)編號(hào) 節(jié)點(diǎn)名稱 節(jié)點(diǎn)I

14、D狀態(tài)有功出力無功出力設(shè)定電壓AGCAVR最小有功最大有功最小無功最大無功成本模型參與因子111Closed40101NONO01000-99009900None10331Closed4081NONO01000-99009900None10551Closed98.11.341NOYES01000-99009900None10第5章·短路分析及短路電流（選取3號(hào)節(jié)點(diǎn)）51節(jié)點(diǎn)短路計(jì)算5·1·1.單相接地5·1·1·1節(jié)點(diǎn)參數(shù)Fault Data - Buses編號(hào)名稱相電壓 A相電壓 B相電壓 C相角 A相角 B相角 C110.3459

15、71.165090.90501-7.2-119.84123.23220.313171.202950.91805-12.5-120.81122.193301.208330.979370-122.57125.95440.089731.244460.9938615.22-123.59125.24550.262121.15050.904475.4-118.41127.24660.239291.23350.95334-5.96-120.77124.52770.20751.208640.9184-15.61-123.34123.04880.179081.235210.94419-14.33-123.191

16、23.92990.256731.207690.9088-16.15-122.24122.665·1·1·2線路參數(shù) 首端節(jié)點(diǎn)編號(hào) 末端節(jié)點(diǎn)名稱是否變壓器相電流 A 首端節(jié)點(diǎn)相電流 B 首端節(jié)點(diǎn)相電流 C 首端節(jié)點(diǎn)相電流 A 末端節(jié)點(diǎn)相電流 B 末端節(jié)點(diǎn)相電流 C 末端節(jié)點(diǎn)12Yes0.880510.335960.369930.854090.325880.3588327No0.400260.130860.135750.401910.124720.1387829No0.474740.185430.222310.477780.188250.2315934Yes1.570

17、570.395360.285311.53130.385480.2781846No0.686150.057020.103930.684830.066670.109147No0.40010.211670.16070.398110.208570.1664848No0.487040.178680.126160.485830.173380.1289456Yes1.216850.959050.874971.141410.899590.8207268No0.477780.347710.313460.479340.34880.3184669No0.418940.506490.443010.417590.504

18、60.4438778No0.073640.104980.084080.076190.10230.0768979No0.171260.03580.031730.167810.039240.025815·1·1·3發(fā)電機(jī)參數(shù)Fault Data - Generators編號(hào) 節(jié)點(diǎn)名稱 節(jié)點(diǎn)相電流 A相電流 B相電流 C相角 A相角 B相角 C110.880510.335960.36993-64.33-115.1880.9331.186260.395360.28531-73.6-109.9384.95551.216850.959050.87497-38.18-111.7

19、9112.395·1·1·4負(fù)荷參數(shù)Fault Data - Loads編號(hào) 節(jié)點(diǎn)名稱 節(jié)點(diǎn)ID相電流 A相電流 B相電流 C2210.01590.027410.025294410.021710.045220.040036610.007450.013610.012297710.2470.459460.418538810.212250.405720.367969910.357040.640870.58795·1·2.相間短路5·1·2·1節(jié)點(diǎn)參數(shù)Fault Data - Buses編號(hào)名稱相電壓 A相電壓 B相電壓

20、C相角 A相角 B相角 C111.021720.549190.5998-2.71-154.16151.33221.047650.556740.58547-4.01-159.9153.13331.046570.523280.52328-2.39177.61177.61441.069260.492710.58712-3.56-174.79169.095510.480210.601820-154.72160.07661.066690.528190.59857-2.82-162.77159.57771.03180.519140.56177-5.25-167.19158.11881.05270.5210

21、.56949-4.7-168.87160.85991.035280.535070.56828-4.92-164.04155.485·1·2·2線路參數(shù)Fault Data - Lines 首端節(jié)點(diǎn)編號(hào) 末端節(jié)點(diǎn)編號(hào)回路是否變壓器相電流 A 首端節(jié)點(diǎn)相電流 B 首端節(jié)點(diǎn)相電流 C 首端節(jié)點(diǎn)相電流 A 末端節(jié)點(diǎn)相電流 B 末端節(jié)點(diǎn)相電流 C 末端節(jié)點(diǎn)121Yes0.403540.940010.62510.391440.911810.60634271No0.151890.429330.300080.149850.427640.30599291No0.233550.515

22、40.333060.239640.517770.33772341Yes0.389771.419681.705830.380021.384191.66318461No0.086010.720560.636920.094350.722740.63253471No0.206950.306450.483970.20820.309360.47963481No0.172430.380760.545880.171130.382170.54287561Yes0.98131.39880.811130.920461.312080.76084681No0.360.542710.304530.362680.54273

23、0.31006691No0.509570.142120.528060.508830.138720.52744781No0.101540.068440.118230.09680.062620.12218791No0.037190.171730.1420.036110.171420.135865·1·2·3發(fā)電機(jī)參數(shù)Fault Data - Generators編號(hào) 節(jié)點(diǎn)名稱 節(jié)點(diǎn)相電流 A相電流 B相電流 C相角 A相角 B相角 C110.403550.940010.6251-16.75-166.5532.4330.389771.199920.86428-13.7-

24、168.2722.9550.98131.39880.81113-0.77-146.2477.065·1·2·4負(fù)荷參數(shù)Fault Data - Loads編號(hào) 節(jié)點(diǎn)名稱 節(jié)點(diǎn)ID相電流 A相電流 B相電流 C2210.029030.015430.016224410.047690.021970.026186610.014340.00710.008057710.487010.245030.265158810.43010.212860.232689910.679510.35120.372995·1·3.三相對(duì)稱5·1·3·

25、;1節(jié)點(diǎn)參數(shù)Fault Data - Buses編號(hào)名稱相電壓 A相電壓 B相電壓 C相角 A相角 B相角 C110.304870.304870.304873.47-116.53123.47220.263250.263250.26325-0.07-120.07119.9333000000440.102730.102730.1027328.84-91.16148.84550.248730.248730.2487317.78-102.22137.78660.213490.213490.213498.78-111.22128.78770.18760.18760.18762.65-117.35122.

26、65880.166680.166680.166685.32-114.68125.32990.221120.221120.221120.38-119.62120.385·1·3·2線路參數(shù)首端節(jié)點(diǎn)編號(hào) 末端節(jié)點(diǎn)名稱回路是否變壓器相電流 A 首端節(jié)點(diǎn)相電流 B 首端節(jié)點(diǎn)相電流 C 首端節(jié)點(diǎn)相電流 A 末端節(jié)點(diǎn)相電流 B 末端節(jié)點(diǎn)相電流 C 末端節(jié)點(diǎn)121Yes0.891770.891770.891770.865020.865020.86502271No0.418610.418610.418610.420550.420550.42055291No0.482530.482

27、530.482530.485380.485380.48538341Yes1.798031.798031.798031.753081.753081.75308461No0.783710.783710.783710.782350.782350.78235471No0.452140.452140.452140.450180.450180.45018481No0.534240.534240.534240.5330.5330.533561Yes1.192821.192821.192821.118871.118871.11887681No0.463740.463740.463740.465490.4654

28、90.46549691No0.335780.335780.335780.334560.334560.33456781No0.094830.094830.094830.097110.097110.09711791No0.180690.180690.180690.177390.177390.177395·1·3·3發(fā)電機(jī)參數(shù)Fault Data - Generators編號(hào) 節(jié)點(diǎn)名稱 節(jié)點(diǎn)相電流 A相電流 B相電流 C相角 A相角 B相角 C110.891790.891790.89179-6917151331.186261.186261.18626-73.6166.4

29、46.4551.19251.19251.1925-40.6-160.6179.395·1·3·4負(fù)荷參數(shù)Fault Data - Loads編號(hào) 節(jié)點(diǎn)名稱 節(jié)點(diǎn)ID相電流 A相電流 B相電流 C2210.007290.007290.007294410.004580.004580.004586610.002870.002870.002877710.088550.088550.088558810.06810.06810.06819910.145130.145130.145135·1·4.兩相接地5·1·4·1節(jié)點(diǎn)參數(shù)F

30、ault Data - Buses編號(hào)名稱相電壓 A相電壓 B相電壓 C相角 A相角 B相角 C111.065990.268570.371414.64-127.85121.99221.093330.229610.336313.86-135.28118.91331.14471003.4600441.173510.079480.112062.71-87.17136.96551.067090.205510.295156.88-109.59132.79661.135530.172480.268874.58-123.62124.41771.109940.139590.242292.6-130.33115

31、.78881.139580.118790.214342.95-126116.78991.099590.174890.289393.28-135.34116.025·1·4·2線路參數(shù) 首端節(jié)點(diǎn)名稱 末端節(jié)點(diǎn)編號(hào)回路是否變壓器相電流 A 首端節(jié)點(diǎn)相電流 B 首端節(jié)點(diǎn)相電流 C 首端節(jié)點(diǎn)相電流 A 末端節(jié)點(diǎn)相電流 B 末端節(jié)點(diǎn)相電流 C 末端節(jié)點(diǎn)121Yes0.262560.948010.831860.254690.919570.80691271No0.102120.423730.398580.101420.424880.40098291No0.148390.5248

32、0.43770.156870.5270.44133341Yes0.266061.391161.961370.25941.356381.91234461No0.073550.671220.803650.079610.670290.80199471No0.163860.324950.515690.164430.32360.51325481No0.127950.394880.61040.125380.394020.6089561Yes0.854651.244581.168280.801661.167421.09585681No0.298970.4930.450370.302420.494210.45

33、244691No0.442060.264190.468820.441620.26330.46723781No0.088720.062890.106590.083890.064120.10973791No0.029840.166160.185310.029350.163890.181035·1·4·3發(fā)電機(jī)參數(shù)Fault Data - Generators編號(hào) 節(jié)點(diǎn)名稱 節(jié)點(diǎn)相電流 A相電流 B相電流 C相角 A相角 B相角 C110.262560.948010.83186-16.46173.2853.01330.266061.186261.186261166.44

34、6.4550.854651.244581.168283.11-160.6681.635·1·4·4負(fù)荷參數(shù)編號(hào) 節(jié)點(diǎn)名稱 節(jié)點(diǎn)ID相電流 A相電流 B相電流 C2210.023160.013230.013154410.036050.016660.020096610.011260.00590.006417710.37970.20110.208338810.332660.171760.181089910.535360.294430.29752二七支路線路短路（30%）5·2·1.單相接地5·2·1·1節(jié)點(diǎn)參數(shù)編號(hào)相電壓

35、 A相電壓 B相電壓 C相角 A相角 B相角 C11.114530.139460.174923.26-136.85116.6521.146720.100350.125732.43-160.08105.4231.088460.292720.366234.51-139.67119.0441.112330.265190.332473.79-148.32115.5651.052870.248690.331196.59-127.69128.1861.119850.23920.312844.24-142.03120.0571.123540.121640.173021.49-149.16112.2181.1

36、12870.219310.294612.73-148.49114.0491.115870.113310.098010180180101#183;2·1·2線路參數(shù)首端節(jié)點(diǎn)編號(hào) 末端節(jié)點(diǎn)編號(hào)回路是否變壓器相電流 A 首端節(jié)點(diǎn)相電流 B 首端節(jié)點(diǎn)相電流 C 首端節(jié)點(diǎn)相電流 A 末端節(jié)點(diǎn)相電流 B 末端節(jié)點(diǎn)相電流 C 末端節(jié)點(diǎn)121Yes1.03910.396950.307761.007930.385040.29853271No000000291No0.580020.221240.184870.578430.222620.194842101No1.579

37、350.154730.113291.579840.151270.11471341Yes0.879650.33080.349650.857660.322530.34091461No0.189050.074790.105780.192120.08260.11236471No0.515130.189540.180730.517260.186960.18682481No0.215390.160890.14210.216780.155970.14494561Yes1.213480.949620.887981.138250.890740.83292681No0.330290.351760.315420.3

38、31160.353250.32001691No0.870050.474360.464970.8710.472360.46616781No0.37570.095470.093890.373670.092290.08619791No0.126510.043240.028190.12540.044980.026231071No0.888780.151270.114710.888130.147990.116185·2·1·3發(fā)電機(jī)參數(shù)Fault Data - Generators編號(hào) 節(jié)點(diǎn)名稱 節(jié)點(diǎn)相電流 A相電流 B相電流 C相角 A相角 B相角 C111.03910.

39、3970.30776-69-11381.55330.879650.33080.34965-62-11183.28551.213480.94960.88797-35-112112.335·2·1·4負(fù)荷參數(shù)Fault Data - Loads編號(hào) 節(jié)點(diǎn)名稱 節(jié)點(diǎn)ID相電流 A相電流 B相電流 C2210.013590.026950.025114410.026430.04450.042196610.00790.013470.012587710.239910.455110.421248810.232480.402170.377859910.343760.63830.58

40、6785·2·2.相間短路5·2·2·1節(jié)點(diǎn)參數(shù)編號(hào)名稱相電壓 A相電壓 B相電壓 C相角 A相角 B相角 C111.021680.531710.52071-2.71-168.98163.25221.047620.554490.50517-4.01-175.76166.92331.046540.593160.57155-2.39-156.87151.05441.069230.604180.55355-3.56-162.03152.825510.525920.573830-154.24156.53661.066670.578270.56775-2

41、.82-161.58155.52771.031760.537070.51898-5.25-173.15162.22881.052680.577520.54439-4.7-165.08154.43991.031440.523360.50806018018010FaultPt1.039770.519870.5198701801805·2·2·2線路參數(shù)首端節(jié)點(diǎn)編號(hào) 末端節(jié)點(diǎn)編號(hào)回路是否變壓器相電流 A 首端節(jié)點(diǎn)相電流 B 首端節(jié)點(diǎn)相電流 C 首端節(jié)點(diǎn)相電流 A 末端節(jié)點(diǎn)相電流 B 末端節(jié)點(diǎn)相電流 C 末端節(jié)點(diǎn)121Yes0.403561.080340.757820.391451.047930.73508271No000000291No0.233540.610620.713090.239640.61420.709292101No0.151891.60111.455390.150821.600111.45709341Yes0.389780.957890.649550.380030.933940.63331461No0.0860.166450.191410.094340.170980.19