电力系统课程设计---电力系统潮流、短路计算和暂态稳定性分析.doc

燕山大学电力系统分析课程设计一燕山大学课 程 设 计 说 明 书题目：电力系统潮流、短路计算和暂态稳定性分析（一）学院（系）： 年级专业： 学 号： 学生姓名： 指导教师： 教师职称： 目 录第1章 设计说明.4 1.1 设计技术参数 4 1.2 设计要求 4第2章 设计原理及分析.5 2.1 设计原理.5 2.2 应用PowerWorld设计的原理图5第3章 静态安全分析 6第4章 系统潮流分布及网络损耗 6 4.1 负荷与节点参数 6 4.2 线路及发电机参数 .7第5章短路电流及短路故障 8 5.1 节点短路 .8 5.1.1 单相接地 8 5.1.2相间短路 10 5.1.3三相对称 11 5.1.4两相接地 13 5.2 线路短路 .14 5.2.1单相接地 .14 5.2.2相间短路 165.2.3 三相对称 17 5.2.4 两相接地 19 第6章 暂态稳定性分析 20 6.1 系统接入故障后稳定性分析 21第7章 心得体会 .27参考文献 27 电气工程学院课程设计任务书课程名称：电力系统分析基层教学单位：电力工程系 指导教师：殷桂梁 王珺学号学生姓名（专业）班级设计题目电力系统潮流、短路计算和暂态稳定性分析（一）设计技术参数某系统由三个发电厂和三个负荷点组成，如图所示。输电系统电压等级为110kV，负荷额定功率标示如图。节点2-4距离为50km，2-6为80km，2-7为35km，2-8为60km，2-9为30km，4-6为30km，4-7为40km，4-8为30km，4-9为55km，6-7为50km，6-8为30km，6-9为20km，7-8为45km，7-9为50km，8-9为65km。可选导线型号和单位长度导线参数如表所示。变压器电抗为标么值，基准功率为100MW，基准电压为110kV。设计要求设计的供电网络应保证当系统中任一条线路发生故障时，各负荷均不断电。运用Power World软件计算出系统潮流分布和各母线短路时不同短路类型情况下的短路电流，并进行暂态稳定性分析。计算容许误差为105。最后将最终结果列表在报告中。参考资料夏道止，电力系统分析，中国电力出版社，2004年陈珩，电力系统稳态分析，中国电力出版社，1995年李光琦，电力系统暂态分析，中国电力出版社，1995年周次第一周应完成内容设计系统的接线形式，选择线路参数。对设计的电网结构进行静态安全分析，判断系统运行的薄弱环节。计算系统潮流分布，分析网络损耗。计算某一母线和线路不同短路类型情况下的短路电流，对比分析不同类型短路情况下对母线电压、线路电流和发电机的影响。进行暂态稳定性分析，确定系统在较严重事故情况下的临界切除故障时间，撰写课程设计报告、答辩。指导教师签字基层教学单位主任签字说明：任务书要求装订到课程设计报告前面。电气工程学院 教务科第1章设计说明11设计技术参数发电机参数：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所用导线有：导线型号r1(/km） x1(/km)b110(s/LGJ-1200.270.4232.6LGJ-1500.210.4162.7412设计要求设计的供电网络应保证当系统中任一条线路发生故障时，各负荷均不断电。运用Power World软件计算出系统潮流分布和各母线短路时不同短路类型情况下的短路电流，并进行暂态稳定性分析。计算容许误差为105。最后将最终结果列表在报告中。二设计原理及分析2.1 设计原理 根据设计要求，需保证任意一条线路出现故障时，每个负荷均不断电，因此必须保证每个节点处同时至少连接两条线路，当一条线路断开时发电机可过另一条线路给负荷供电，设计如下图。22应用POWER WORLD软件设计的原理图第3章静态安全分析 安全分析，是用预想事故的分析方法来预知系统是否存在安全隐患，以便及早采取相应的措施防止系统发生大的事故。静态安全分析可判断发生预想事故后系统是否会过负荷。Contingency Records标签跳过已处理已求解电气岛负荷电气岛发电机有功自动绘制QV曲线?越限最大支路越限%T_000055-000066C1NOYESYESNO0T_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个不可求解事故。第4章 系统潮流计算1 负荷编号 节点区域名称Load分区名称LoadID状态有功无功视在功率恒功率有功负荷恒功率无功负荷6111Closed1.50.31.529711.50.32111Closed30.53.0413830.54111Closed515.09902518111Closed45545.276924557111Closed50550.249385059111Closed70770.349137072 节点编号名称区域名称基准电压标幺电压实际电压相角(度)有功负荷无功负荷发电机有功发电机无功5511101110098.1411.3403311101.04654115.1199-2.391324081111101.02168112.385-2.7143740106611101.06667117.334-2.819661.5010FaultPt11101.04281114.7089-4.379147711101.03176113.4936-5.247535059911101.03525113.8775-4.919837078811101.05268115.7946-4.699524554411101.06923117.6158-3.56159512211101.04762115.2377-4.01261313 支路参数Line Records 首端节点编号 末端节点编号状态是否变压器RXB极限A MVA12ClosedYes00.06250027ClosedNo0.13010.127270.010910029ClosedNo0.010830.086440.011810034ClosedYes00.05860046ClosedNo0.111530.109090.009410047ClosedNo0.167230.163640.014110048ClosedNo0.111530.109090.009410056ClosedYes00.0570068ClosedNo0.012890.102880.009913569ClosedNo0.069410.06860.006614078ClosedNo0.167230.163640.014110079ClosedNo0.086690.171840.01661004 支路状态首端节点编号 末端节点编号回路状态是否变压器有功 首端节点无功 首端节点视在功率 首端节点视在功率极限%视在功率极限(最大值)有功损耗无功损耗121ClosedYes401041.23106000.0000020.957725271OpenNo000100000291ClosedNo21.42611.8114224.4666110024.808430.060622-0.7962101ClosedNo15.575-3.2691415.9126810015.912680.0887860.086855341ClosedYes40840.79216000.0000010.84634461ClosedNo-5.387.500439.1957510010.06250.090638-0.98344471ClosedNo22.091.3992622.1323610022.132360.720762-0.8512481ClosedNo18.23219-2.7460218.4378310018.437830.329042-0.73631561ClosedYes98.1281.3401598.15043000.0000084.831311681ClosedNo37.112169.8844738.4059213528.448830.1684010.232344691ClosedNo54.1182-5.1917654.3666614038.833331.8008291.050667781ClosedNo-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 发电机编号 节点名称 节点ID状态有功出力无功出力设定电压AGCAVR最小有功最大有功最小无功最大无功成本模型参与因子111Closed40101NONO01000-99009900None10331Closed4081NONO01000-99009900None10551Closed98.11.341NOYES01000-99009900None10第5章短路分析及短路电流（选取3号节点）51节点短路计算511.单相接地5111节点参数Fault Data - Buses编号名称相电压 A相电压 B相电压 C相角 A相角 B相角 C110.345971.165090.90501-7.2-119.84123.23220.313171.202950.91805-12.5-120.81122.193301.208330.979370-122.57125.95440.089731.244460.9938615.22-123.59125.24550.262121.15050.904475.4-118.41127.24660.239291.23350.95334-5.96-120.77124.52770.20751.208640.9184-15.61-123.34123.04880.179081.235210.94419-14.33-123.19123.92990.256731.207690.9088-16.15-122.24122.665112线路参数 首端节点编号 末端节点名称是否变压器相电流 A 首端节点相电流 B 首端节点相电流 C 首端节点相电流 A 末端节点相电流 B 末端节点相电流 C 末端节点12Yes0.880510.335960.369930.854090.325880.3588327No0.400260.130860.135750.401910.124720.1387829No0.474740.185430.222310.477780.188250.2315934Yes1.570570.395360.285311.53130.385480.2781846No0.686150.057020.103930.684830.066670.109147No0.40010.211670.16070.398110.208570.1664848No0.487040.178680.126160.485830.173380.1289456Yes1.216850.959050.874971.141410.899590.8207268No0.477780.347710.313460.479340.34880.3184669No0.418940.506490.443010.417590.50460.4438778No0.073640.104980.084080.076190.10230.0768979No0.171260.03580.031730.167810.039240.025815113发电机参数Fault Data - Generators编号 节点名称 节点相电流 A相电流 B相电流 C相角 A相角 B相角 C110.880510.335960.36993-64.33-115.1880.9331.186260.395360.28531-73.6-109.9384.95551.216850.959050.87497-38.18-111.79112.395114负荷参数Fault Data - Loads编号 节点名称 节点ID相电流 A相电流 B相电流 C2210.01590.027410.025294410.021710.045220.040036610.007450.013610.012297710.2470.459460.418538810.212250.405720.367969910.357040.640870.5879512.相间短路5121节点参数Fault Data - Buses编号名称相电压 A相电压 B相电压 C相角 A相角 B相角 C111.021720.549190.5998-2.71-154.16151.33221.047650.556740.58547-4.01-159.9153.13331.046570.523280.52328-2.39177.61177.61441.069260.492710.58712-3.56-174.79169.095510.480210.601820-154.72160.07661.066690.528190.59857-2.82-162.77159.57771.03180.519140.56177-5.25-167.19158.11881.05270.5210.56949-4.7-168.87160.85991.035280.535070.56828-4.92-164.04155.485122线路参数Fault Data - Lines 首端节点编号 末端节点编号回路是否变压器相电流 A 首端节点相电流 B 首端节点相电流 C 首端节点相电流 A 末端节点相电流 B 末端节点相电流 C 末端节点121Yes0.403540.940010.62510.391440.911810.60634271No0.151890.429330.300080.149850.427640.30599291No0.233550.51540.333060.239640.517770.33772341Yes0.389771.419681.705830.380021.384191.66318461No0.086010.720560.636920.094350.722740.63253471No0.206950.306450.483970.20820.309360.47963481No0.172430.380760.545880.171130.382170.54287561Yes0.98131.39880.811130.920461.312080.76084681No0.360.542710.304530.362680.542730.31006691No0.509570.142120.528060.508830.138720.52744781No0.101540.068440.118230.09680.062620.12218791No0.037190.171730.1420.036110.171420.135865123发电机参数Fault Data - Generators编号 节点名称 节点相电流 A相电流 B相电流 C相角 A相角 B相角 C110.403550.940010.6251-16.75-166.5532.4330.389771.199920.86428-13.7-168.2722.9550.98131.39880.81113-0.77-146.2477.065124负荷参数Fault Data - Loads编号 节点名称 节点ID相电流 A相电流 B相电流 C2210.029030.015430.016224410.047690.021970.026186610.014340.00710.008057710.487010.245030.265158810.43010.212860.232689910.679510.35120.37299513.三相对称5131节点参数Fault Data - Buses编号名称相电压 A相电压 B相电压 C相角 A相角 B相角 C110.304870.304870.304873.47-116.53123.47220.263250.263250.26325-0.07-120.07119.9333000000440.102730.102730.1027328.84-91.16148.84550.248730.248730.2487317.78-102.22137.78660.213490.213490.213498.78-111.22128.78770.18760.18760.18762.65-117.35122.65880.166680.166680.166685.32-114.68125.32990.221120.221120.221120.38-119.62120.385132线路参数首端节点编号 末端节点名称回路是否变压器相电流 A 首端节点相电流 B 首端节点相电流 C 首端节点相电流 A 末端节点相电流 B 末端节点相电流 C 末端节点121Yes0.891770.891770.891770.865020.865020.86502271No0.418610.418610.418610.420550.420550.42055291No0.482530.482530.482530.485380.485380.48538341Yes1.798031.798031.798031.753081.753081.75308461No0.783710.783710.783710.782350.782350.78235471No0.452140.452140.452140.450180.450180.45018481No0.534240.534240.534240.5330.5330.533561Yes1.192821.192821.192821.118871.118871.11887681No0.463740.463740.463740.465490.465490.46549691No0.335780.335780.335780.334560.334560.33456781No0.094830.094830.094830.097110.097110.09711791No0.180690.180690.180690.177390.177390.177395133发电机参数Fault Data - Generators编号 节点名称 节点相电流 A相电流 B相电流 C相角 A相角 B相角 C110.891790.891790.89179-6917151331.186261.186261.18626-73.6166.446.4551.19251.19251.1925-40.6-160.6179.395134负荷参数Fault Data - Loads编号 节点名称 节点ID相电流 A相电流 B相电流 C2210.007290.007290.007294410.004580.004580.004586610.002870.002870.002877710.088550.088550.088558810.06810.06810.06819910.145130.145130.14513514.两相接地5141节点参数Fault Data - Buses编号名称相电压 A相电压 B相电压 C相角 A相角 B相角 C111.065990.268570.371414.64-127.85121.99221.093330.229610.336313.86-135.28118.91331.14471003.4600441.173510.079480.112062.71-87.17136.96551.067090.205510.295156.88-109.59132.79661.135530.172480.268874.58-123.62124.41771.109940.139590.242292.6-130.33115.78881.139580.118790.214342.95-126116.78991.099590.174890.289393.28-135.34116.025142线路参数 首端节点名称 末端节点编号回路是否变压器相电流 A 首端节点相电流 B 首端节点相电流 C 首端节点相电流 A 末端节点相电流 B 末端节点相电流 C 末端节点121Yes0.262560.948010.831860.254690.919570.80691271No0.102120.423730.398580.101420.424880.40098291No0.148390.52480.43770.156870.5270.44133341Yes0.266061.391161.961370.25941.356381.91234461No0.073550.671220.803650.079610.670290.80199471No0.163860.324950.515690.164430.32360.51325481No0.127950.394880.61040.125380.394020.6089561Yes0.854651.244581.168280.801661.167421.09585681No0.298970.4930.450370.302420.494210.45244691No0.442060.264190.468820.441620.26330.46723781No0.088720.062890.106590.083890.064120.10973791No0.029840.166160.185310.029350.163890.181035143发电机参数Fault Data - Generators编号 节点名称 节点相电流 A相电流 B相电流 C相角 A相角 B相角 C110.262560.948010.83186-16.46173.2853.01330.266061.186261.186261166.446.4550.854651.244581.168283.11-160.6681.635144负荷参数编号 节点名称 节点ID相电流 A相电流 B相电流 C2210.023160.013230.013154410.036050.016660.020096610.011260.00590.006417710.37970.20110.208338810.332660.171760.181089910.535360.294430.29752二七支路线路短路（30%）521.单相接地5211节点参数编号相电压 A相电压 B相电压 C相角 A相角 B相角 C11.114530.139460.174923.26-136.85116.6521.146720.100350.125732.43-160.08105.4231.088460.292720.366234.51-139.67119.0441.112330.265190.332473.79-148.32115.5651.052870.248690.331196.59-127.69128.1861.119850.23920.312844.24-142.03120.0571.123540.121640.173021.49-149.16112.2181.112870.219310.294612.73-148.49114.0491.115870.113310.098010180180101.17403000005212线路参数首端节点编号 末端节点编号回路是否变压器相电流 A 首端节点相电流 B 首端节点相电流 C 首端节点相电流 A 末端节点相电流 B 末端节点相电流 C 末端节点121Yes1.03910.396950.307761.007930.385040.29853271No000000291No0.580020.221240.184870.578430.222620.194842101No1.579350.154730.113291.579840.151270.11471341Yes0.879650.33080.349650.857660.322530.34091461No0.189050.074790.105780.192120.08260.11236471No0.515130.189540.180730.517260.186960.18682481No0.215390.160890.14210.216780.155970.14494561Yes1.213480.949620.887981.138250.890740.83292681No0.330290.351760.315420.331160.353250.32001691No0.870050.474360.464970.8710.472360.46616781No0.37570.095470.093890.373670.092290.08619791No0.126510.043240.028190.12540.044980.026231071No0.888780.151270.114710.888130.147990.116185213发电机参数Fault Data - Generators编号 节点名称 节点相电流 A相电流 B相电流 C相角 A相角 B相角 C111.03910.3970.30776-69-11381.55330.879650.33080.34965-62-11183.28551.213480.94960.88797-35-112112.335214负荷参数Fault Data - Loads编号 节点名称 节点ID相电流 A相电流 B相电流 C2210.013590.026950.025114410.026430.04450.042196610.00790.013470.012587710.239910.455110.421248810.232480.402170.377859910.343760.63830.58678522.相间短路5221节点参数编号名称相电压 A相电压 B相电压 C相角 A相角 B相角 C111.021680.531710.52071-2.71-168.98163.25221.047620.554490.50517-4.01-175.76166.92331.046540.593160.57155-2.39-156.87151.05441.069230.604180.55355-3.56-162.03152.825510.525920.573830-154.24156.53661.066670.578270.56775-2.82-161.58155.52771.031760.537070.51898-5.25-173.15162.22881.052680.577520.54439-4.7-165.08154.43991.031440.523360.50806018018010FaultPt1.039770.519870.5198701801805222线路参数首端节点编号 末端节点编号回路是否变压器相电流 A 首端节点相电流 B 首端节点相电流 C 首端节点相电流 A 末端节点相电流 B 末端节点相电流 C 末端节点121Yes0.403561.080340.757820.391451.047930.73508271No000000291No0.233540.610620.713090.239640.61420.709292101No0.151891.60111.455390.150821.600111.45709341Yes0.389780.957890.649550.380030.933940.63331461No0.0860.166450.191410.094340.170980.19298471No0.206990