燕山大學電力系統(tǒng)課設

1、燕山大學課程設計說明書題目：電力系統(tǒng)潮流、短路計算和暫態(tài)穩(wěn)定性分析（三）院系：電氣工程學院年級專業(yè)：10級電力二班姓名：劉巨華學號：100103030083指導老師：殷桂梁 王珺教師職稱：教授 講師目錄第一章 原理分析 5第二章 電力網絡圖5第三章 潮流計算 6第四章 靜態(tài)安全分析 6第五章 短路電流計算 7第六章 暫態(tài)穩(wěn)定性分析15第七章 心得體會25參考文獻 25電氣工程學院課程設計任務書課程名稱：電力系統(tǒng)分析基層教學單位：電力工程系 指導教師：學號學生姓名（專業(yè)）班級設計題目電力系統(tǒng)潮流、短路計算和暫態(tài)穩(wěn)定性分析（三）設計技術參數(shù)某系統(tǒng)由兩個發(fā)電廠和兩組負荷群組成，每個發(fā)電廠帶有本地負荷

2、，網絡結構如圖所示，節(jié)點2-5之間距離為50km，2-6為40km，4-5為70km，4-6為30km。線路導線型號均為LGJ-120，其參數(shù)如下表所示。變壓器電抗為標么值，基準功率為100MW，基準電壓為110kV?，F(xiàn)系統(tǒng)中新增兩個負荷節(jié)點7和8，一個發(fā)電機節(jié)點9。節(jié)點7-2距離為30km，7-4為60km，7-5為30km，7-6為35km，7-8為100km，7-9為75km，8-2為128km，8-4為80km，8-5為55km，8-6為70km，8-9為60km，9-2為20km，9-4為45km，9-5為33km，9-6為30km。設計要求在不改變原網絡結構前提下，將新節(jié)點增加到原

3、系統(tǒng)中，導線由表中任選，設計網絡接線，應保證當系統(tǒng)中任一條線路發(fā)生故障時，各負荷均不斷電。并運用Power World軟件計算出系統(tǒng)潮流分布和各母線短路時不同短路類型情況下的短路電流，并進行暫態(tài)穩(wěn)定性分析。潮流計算容許誤差為105。最后將最終結果列表在報告中。參考資料夏道止，電力系統(tǒng)分析，中國電力出版社，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年周次第一周第二周應完成內容設計系統(tǒng)的接線形式，應用Power World軟件計算系統(tǒng)潮流分布和各母線和線路短路時的不同短路類型情況下的短路電流，進行暫態(tài)穩(wěn)定性分析。撰寫課程設計報告、

4、答辯指導教師簽字基層教學單位主任簽字說明：任務書要求裝訂到課程設計報告前面。電氣工程學院 教務科題目三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表：可選導線參數(shù)導線型號r1(/km)x1(/km)b1×10-6(S/km)LGJ-700.4500.4402.58LGJ-1200.2700.4232.60LGJ-1500.2100.4162.74LGJQ-6000.0520.4152.72第一章 原理分析電網要求在不改變原網絡的基礎上將新節(jié)點加進去并且在任一條線路發(fā)生故障時

5、各負荷均不斷電，因此在設計電網時只要保證每個負荷至少接兩個發(fā)電機或變壓器就能保證在任一條線路發(fā)生故障時使負荷均不斷電，在調節(jié)各節(jié)點的位置是潮流計算誤差穩(wěn)定在允許范圍內。第二章 電力網絡結構圖第三章 潮流計算1.各個節(jié)點的狀態(tài)編號名稱區(qū)域名稱基準電壓標幺電壓實際電壓相角(度)有功負荷無功負荷發(fā)電機有功發(fā)電機無功并聯(lián)補償器無功節(jié)點并聯(lián)補償實際有功1111101110058.030770.84679002211100.99001108.9011-0.5088181003311100.92812102.0933-1.61928303004411100.97356107.0919-2.218518300

6、5511100.96893106.5825-2.68355006611100.97254106.979-2.1123405007711100.96088105.6963-3.33923203008811100.97019106.7214-3.43989152009911100.99035108.9386-0.8280750300第四章 靜態(tài)安全分析標簽跳過已處理已求解電氣島負荷電氣島發(fā)電機有功自動繪制QV曲線?越限L_000022-000055C1NOYESYESNO0L_000022-000066C1NOYESYESNO0L_000022-000088C1NOYESYESNO0L_00004

7、4-000055C1NOYESYESNO0L_000066-000044C1NOYESYESNO0L_000044-000077C1NOYESYESNO0L_000055-000077C1NOYESYESNO0L_000088-000055C1NOYESYESNO0L_000099-000055C1NOYESYESNO0L_000066-000099C1NOYESYESNO0完成無越限，所有故障均可求解，無薄弱環(huán)節(jié)。第五章 短路電流計算5-1 2節(jié)點單相接地節(jié)點編號名稱相電壓 A相電壓 B相電壓 C相角 A相角 B相角 C110.017541.154050.9503529.92-120.951

8、28.642201.145010.938940-121.4128.25330.268291.044010.82757-11.93-118.67123.4440.262671.098390.86403-15.3-119.12122.9550.174781.109340.8761-16.86-120.94124.16660.18221.109740.8789-15.75-120.26124.45770.202791.100290.85986-19.03-121.09123.23880.116031.118740.8905-14.14-122.63124.35990.263991.11320.883

9、71-11.41-117.9124.15線路首端節(jié)點編號 末端節(jié)點編號相電流 A 首端節(jié)點相電流 B 首端節(jié)點相電流 C 首端節(jié)點相電流 A 末端節(jié)點相電流 B 末端節(jié)點相電流 C 末端節(jié)點121.146060.616760.442921.157520.622930.44735250.573410.220580.158430.572130.215390.16163260.720640.207910.145770.719630.205170.1485280.170090.119470.077950.167450.118470.10038430.751670.268420.271810.78925

10、0.281840.2854450.200110.034720.02390.204030.020010.03671640.328180.021320.035390.325780.021820.02518470.180880.090240.080950.184250.085980.09045570.16040.110620.092950.158650.109620.09543850.166760.049870.040350.164520.066590.04294950.468720.255570.244520.470190.253280.24799690.473880.20130.210030.4

11、72450.20220.20633發(fā)電機編號 節(jié)點名稱 節(jié)點相電流 A相電流 B相電流 C相角 A相角 B相角 C111.146060.616760.44292-60.08-106.37111.04330.789250.281840.2854-63.56-104.6789.91990.941020.457160.45058-54.81-109.33101.035-2 2節(jié)點相間短路節(jié)點編號名稱相電壓 A相電壓 B相電壓 C相角 A相角 B相角 C1110.49260.507740-178.47178.51220.990010.4950.495-0.51179.49179.49330.92812

12、0.509710.48663-1.62-160.81156.53440.973560.534920.49632-2.22-163.7157.76550.968930.507850.48825-2.68-169.53163.63660.972540.51210.48928-2.11-168.64163.78770.960870.512670.48436-3.34-168.3160.72880.970190.487970.4951-3.44-174.08167.34990.990350.537810.51073-0.83-162.16159.47線路首端節(jié)點編號 末端節(jié)點編號相電流 A 首端節(jié)點相

13、電流 B 首端節(jié)點相電流 C 首端節(jié)點相電流 A 末端節(jié)點相電流 B 末端節(jié)點相電流 C 末端節(jié)點120.580391.250720.757820.586191.263230.7654250.206380.464820.656710.205540.468310.65271260.190720.616730.790440.190920.619110.78745280.109150.113680.220480.120070.119220.21768430.309380.817070.550660.324850.857930.57819450.033410.205620.172250.032730.

14、204530.17944640.018140.304610.316570.007640.305270.31256470.097840.205890.117410.100190.206090.1251570.110090.095630.20180.110630.096360.19997850.051880.193540.144050.062180.194420.14109950.279180.538010.309360.279450.537210.31404690.228030.51960.34970.2270.520380.34554發(fā)電機編號 節(jié)點名稱 節(jié)點相電流 A相電流 B相電流 C相角

15、 A相角 B相角 C110.580391.250720.75782-0.84-156.941.21330.324850.857930.57819-7.33-162.8430.63990.505781.058350.65481-4.26-156.4744.635-3 2節(jié)點三相對稱短路節(jié)點編號名稱相電壓 A相電壓 B相電壓 C相角 A相角 B相角 C110.017540.017540.0175429.92-90.08149.9222000000330.209630.209630.20963-5.53-125.53114.47440.197610.197610.19761-9.08-129.081

16、10.92550.133910.133910.13391-7.66-127.66112.34660.13840.13840.1384-7.74-127.74112.26770.154510.154510.15451-9.64-129.64110.36880.091720.091720.09172-0.83-120.83119.17990.199490.199490.19949-5.59-125.59114.41線路首端節(jié)點編號 末端節(jié)點編號相電流 A 首端節(jié)點相電流 B 首端節(jié)點相電流 C 首端節(jié)點相電流 A 末端節(jié)點相電流 B 末端節(jié)點相電流 C 末端節(jié)點121.146061.146061.

17、146061.157521.157521.15752250.646030.646030.646030.64510.64510.6451260.811160.811160.811160.810410.810410.81041280.192490.192490.192490.190420.190420.19042430.784420.784420.784420.823640.823640.82364450.218160.218160.218160.221350.221350.22135640.358550.358550.358550.35670.35670.3567470.185090.18509

18、0.185090.188150.188150.18815570.17090.17090.17090.169620.169620.16962850.19470.19470.19470.192820.192820.19282950.480410.480410.480410.481780.481780.48178690.494150.494150.494150.49290.49290.4929發(fā)電機編號 節(jié)點名稱 節(jié)點相電流 A相電流 B相電流 C相角 A相角 B相角 C111.146061.146061.14606-60.08179.9259.92330.823640.823640.82364-6

19、7.43172.5752.57990.97330.97330.9733-58.43-178.4361.575-4 2節(jié)點兩相接地短路節(jié)點編號名稱相電壓 A相電壓 B相電壓 C相角 A相角 B相角 C111.101940.017540.017545.31-90.08149.92221.09173004.9200330.957640.213390.263515.13-141.38119.99441.004470.206710.254634.76-146.88117.89551.027230.131530.175684.04-146.41116.59661.027270.139560.180464.

20、54-146.2117.63771.01210.151810.203883.72-148.84114.67881.045580.081790.122672.97-140.33119.63991.021590.209440.255155.88-142.89121.51線路首端節(jié)點編號 末端節(jié)點編號相電流 A 首端節(jié)點相電流 B 首端節(jié)點相電流 C 首端節(jié)點相電流 A 末端節(jié)點相電流 B 末端節(jié)點相電流 C 末端節(jié)點120.486581.146061.146060.491451.157521.15752250.176010.501560.710370.173740.500920.70898260.

21、167530.652790.87420.166570.652260.87311280.090020.131410.224860.098190.129790.2221430.200860.815590.728810.21090.856370.76525450.016380.209430.211240.017330.211780.21571640.030450.324870.363340.024350.323470.36071470.065640.201530.16650.069110.203790.1706570.094040.1210.202630.094770.119930.20085850

22、.033210.18650.180340.046050.185140.17778950.211770.510080.443660.212710.511010.44553690.176510.502550.469650.174480.50170.4679發(fā)動機編號 節(jié)點名稱 節(jié)點相電流 A相電流 B相電流 C相角 A相角 B相角 C110.486581.146061.1460610.5179.9259.92330.21090.856370.76525-4.18175.8852.76990.38561.011770.91147-1.73-175.6162.025-5 2-8線單相接地短路節(jié)點編號名

23、稱相電壓 A相電壓 B相電壓 C相角 A相角 B相角 C110.405261.098280.963516.71-120.51125.36220.391251.088880.952565.7-120.98124.91330.47551.012730.86775-1.45-120.29122.43440.484071.064830.90761-2.64-120.8121.92550.403991.073140.92082-0.67-122.66122.93660.452171.068420.91436-0.97-121.28122.61770.42531.06390.90481-2.96-122.

24、81122.01880.204981.106410.969999.5-126.76125.36990.493790.531780.50699018018010FaultPt00.709910.651880180180線路首端節(jié)點編號 首端節(jié)點名稱 末端節(jié)點編號 末端節(jié)點名稱相電流 A 首端節(jié)點相電流 B 首端節(jié)點相電流 C 首端節(jié)點相電流 A 末端節(jié)點相電流 B 末端節(jié)點相電流 C 末端節(jié)點11220.807060.596820.492860.815130.602790.4977922550.193710.212240.176090.189520.208450.1781122660.32439

25、0.197070.166180.319290.195570.1680722880000002210FP1.09180.11620.085941.100610.115270.0941244330.55430.289730.265320.582010.304210.2785944550.181280.036510.021590.190320.02560.0313666440.145480.014930.028490.139610.013120.0187244770.173580.094960.080990.181080.092450.0885955770.152750.109710.099470.

26、149010.109180.1014588550.592790.054350.037580.587850.070240.0430999550.467440.268810.245120.470990.267090.247766990.26370.214990.208520.26070.215320.2056610FP880.56720.115270.094120.562550.117220.10656發(fā)電機編號 節(jié)點名稱 節(jié)點相電流 A相電流 B相電流 C相角 A相角 B相角 C110.807060.596820.49286-48.67-111.36114.26330.582010.304210

27、.27859-58.05-111.7798.47990.726810.483440.45052-47.29-113.81106.785-6 2-8線相間短路節(jié)點編號名稱相電壓 A相電壓 B相電壓 C相角 A相角 B相角 C1110.517260.629970-147.31153.68220.990010.510650.61568-0.51-148.98153.78330.928110.545940.6027-1.62-143.4144.3440.973550.56650.62017-2.22-145.49144.67550.968920.523850.59954-2.68-149.93149.

28、11660.972530.545130.61589-2.11-146.65146.99770.960860.53390.59911-3.34-149.22146.67880.970180.453650.55628-3.44-165.53162.03990.990230.462220.52801018018010FaultPt0.97920.489590.489590180180線路首端節(jié)點編號 首端節(jié)點名稱 末端節(jié)點編號 末端節(jié)點名稱相電流 A 首端節(jié)點相電流 B 首端節(jié)點相電流 C 首端節(jié)點相電流 A 末端節(jié)點相電流 B 末端節(jié)點相電流 C 末端節(jié)點11220.580390.984860.5

29、36580.586190.994710.5419422550.206380.080230.252530.205540.071650.2522660.190720.239210.429480.190920.236230.4254122880000002210FP0.109151.192631.093120.113161.195271.1033444330.309380.66130.402480.324850.694370.4226144550.033410.20520.171850.032730.207860.1829966440.018140.147290.155550.007640.1438

30、10.1503244770.097840.207790.123520.100190.210740.1350355770.110090.097550.207010.110630.095510.2040688550.051880.656220.604340.062180.656850.5966199550.279180.560870.342270.279450.56160.3486266990.228030.319820.171970.226990.318710.1661710FP880.113160.585630.670810.120070.588180.66285發(fā)電機編號 節(jié)點名稱 節(jié)點相電

31、流 A相電流 B相電流 C相角 A相角 B相角 C110.580390.984860.53658-0.84-153.8855.5330.324850.694360.42261-7.33-162.3936.52990.505780.879270.5036-4.26-154.9254.575-7 2-8線三相對稱短路節(jié)點編號名稱相電壓 A相電壓 B相電壓 C相角 A相角 B相角 C110.331090.331090.3310913.03-106.97133.03220.3160.3160.31612.1-107.9132.1330.392090.392090.392094.32-115.68124

32、.32440.392970.392970.392973.3-116.7123.3550.331140.331140.331146.12-113.88126.12660.368410.368410.368415.49-114.51125.49770.348670.348670.348673.98-116.02123.98880.17250.17250.172517.51-102.49137.51990.399470.166840.23263018018010FaultPt000000線路首端節(jié)點編號 首端節(jié)點名稱 末端節(jié)點編號 末端節(jié)點名稱相電流 A 首端節(jié)點相電流 B 首端節(jié)點相電流 C 首端

33、節(jié)點相電流 A 末端節(jié)點相電流 B 末端節(jié)點相電流 C 末端節(jié)點11220.852220.852220.852220.860750.860750.8607522550.180580.180580.180580.176090.176090.1760922660.3860.3860.3860.381710.381710.3817122880000002210FP1.319421.319421.319421.326561.326561.3265644330.606330.606330.606330.636640.636640.6366444550.217690.217690.217690.22532

34、0.225320.2253266440.174590.174590.174590.16980.16980.169844770.189120.189120.189120.1960.1960.19655770.175710.175710.175710.172520.172520.1725288550.727790.727790.727790.723630.723630.7236399550.511690.511690.511690.515030.515030.5150366990.265650.265650.265650.262580.262580.2625810FP880.724130.7241

35、30.724130.720240.720240.72024發(fā)電機編號 節(jié)點名稱 節(jié)點相電流 A相電流 B相電流 C相角 A相角 B相角 C110.852220.852220.85222-53.6-173.666.4330.636640.636640.63664-65.26174.7454.74990.774090.774090.77409-54.27-174.2765.735-8 2-8線兩相接地短路節(jié)點編號名稱相電壓 A相電壓 B相電壓 C相角 A相角 B相角 C111.055380.330460.396893.41-119.22137.08221.045170.316920.38182.9

36、8-120.77136.49330.954680.392720.464692.53-127.18128.37441.001610.395820.471022.08-129.07127.79551.020810.327530.398131.35-126.21129.77661.010230.367430.443022.04-126.97129.55771.006060.34410.419780.96-128.43127.53881.080070.165140.20678-0.17-114.1139.54991.016670.242590.30838018018010FaultPt1.144890

37、0000線路首端節(jié)點編號 首端節(jié)點名稱 末端節(jié)點編號 末端節(jié)點名稱相電流 A 首端節(jié)點相電流 B 首端節(jié)點相電流 C 首端節(jié)點相電流 A 末端節(jié)點相電流 B 末端節(jié)點相電流 C 末端節(jié)點11220.852220.852220.852220.860750.860750.8607522550.180580.180580.180580.176090.176090.1760922660.3860.3860.3860.381710.381710.3817122880000002210FP1.319421.319421.319421.326561.326561.3265644330.606330.606330.606330.636640.636640.6366444550.217690.217690.217690.225320.225320.2253266440.174590.174590.