基于牛顿拉夫逊法潮流计算的matlab实验报告定稿.docx
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基于牛顿拉夫逊法潮流计算的matlab实验报告定稿.docx
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基于牛顿拉夫逊法潮流计算的matlab实验报告定稿
一、实验目的
应用MATLAB语言编写具有一定通用性的牛
顿-拉夫逊法潮流计算程序。
要求:
(1)潮流计算方法为牛顿-拉夫逊法。
(2)编程语言为MATLAB。
(3)程序具有较强通用性。
二、程序流程图
所用公式
其中
计算各节点电压的新值:
3、求解问题及其结果
IEEE-美国新英格兰10机39节点测试系统
一、
系统单线图
二、系统参数
1)系统容量基准值为100MVA。
2)负荷数据见表D-1
表D-1负荷数据
节点号
有功(MW)
无功(Mvar)
节点号
有功(MW)
无功(Mvar)
BUS-3
BUS-4
BUS-7
BUS-8
BUS-12
BUS-15
BUS-16
BUS-18
BUS-20
322.0
500.0
233.8
522.0
8.5
320.0
329.0
158.0
680.0
2.4
184.0
84.0
176.0
88.0
153.0
32.3
30.0
103.0
BUS-21
BUS-23
BUS-24
BUS-25
BUS-26
BUS-27
BUS-28
BUS-29
BUS-39
274.0
247.5
308.0
224.0
139.0
281.0
206.0
283.5
1104.0
115.0
84.6
-92.2
47.2
17.0
75.5
27.6
26.9
3)发电机数据见表D-2
表D-2发电机数据
发电机
节点号
有功(MW)
无功(Mvar)
电压(p.u.)
PV
PQ
PQ
PV
PV
PQ
PV
PV
PV
BUS-30
BUS-32
BUS-33
BUS-34
BUS-35
BUS-36
BUS-37
BUS-38
BUS-39
250.00
650.00
632.00
508.00
650.00
560.00
540.00
830.00
1000.00
175.90
103.35
96.88
1.04750
1.01230
1.04930
1.02780
1.02650
1.03000
平衡节点
BUS-31
0.0(电压幅角)
1.0(幅值)
4)线路参数见表D-3
表D-3线路参数
序号
节点I
节点J
R(p.u.)
X(p.u.)
B/2(p.u.)
LN1
LN2
LN3
LN4
LN5
LN6
LN7
LN8
LN9
LN10
LN11
LN12
LN13
LN14
LN15
LN16
LN17
LN18
LN19
LN20
LN21
LN22
LN23
LN24
LN25
LN26
LN27
LN28
LN29
LN30
LN31
LN32
LN33
LN34
BUS-2
BUS-39
BUS-3
BUS-25
BUS-4
BUS-18
BUS-5
BUS-14
BUS-6
BUS-8
BUS-7
BUS-11
BUS-8
BUS-9
BUS-39
BUS-11
BUS-13
BUS-14
BUS-15
BUS-16
BUS-17
BUS-19
BUS-21
BUS-24
BUS-18
BUS-27
BUS-22
BUS-23
BUS-24
BUS-26
BUS-27
BUS-28
BUS-29
BUS-29
BUS-1
BUS-1
BUS-2
BUS-2
BUS-3
BUS-3
BUS-4
BUS-4
BUS-5
BUS-5
BUS-6
BUS-6
BUS-7
BUS-8
BUS-9
BUS-10
BUS-10
BUS-13
BUS-14
BUS-15
BUS-16
BUS-16
BUS-16
BUS-16
BUS-17
BUS-17
BUS-21
BUS-22
BUS-23
BUS-25
BUS-26
BUS-26
BUS-26
BUS-28
0.00350
0.00100
0.00130
0.00700
0.00130
0.00110
0.00080
0.00080
0.00020
0.00080
0.00060
0.00070
0.00040
0.00230
0.00100
0.00040
0.00040
0.00090
0.00180
0.00090
0.00070
0.00160
0.00080
0.00030
0.00070
0.00130
0.00080
0.00060
0.00220
0.00320
0.00140
0.00430
0.00570
0.00140
0.04110
0.02500
0.01510
0.00860
0.02130
0.01330
0.01280
0.01290
0.00260
0.01120
0.00920
0.00820
0.00460
0.03630
0.02500
0.00430
0.00430
0.01010
0.02170
0.00940
0.00890
0.01950
0.01350
0.00590
0.00820
0.01730
0.01400
0.00960
0.03500
0.03230
0.01470
0.04740
0.06250
0.01510
0.34935
0.3750
0.12860
0.07300
0.11070
0.10690
0.06710
0.06910
0.02170
0.07380
0.05650
0.06945
0.03900
0.19020
0.60000
0.03645
0.03645
0.08615
0.18300
0.08550
0.06710
0.15200
0.12740
0.03400
0.06595
0.16080
0.12825
0.09230
0.18050
0.25650
0.11980
0.39010
0.51450
0.12450
LN35:
BUS-4接有并联电容器,B4=1.0000
LN36:
BUS-5接有并联电容器,B4=2.0000
5)变压器参数见表D-4
表D-4变压器参数
序号
节点I
节点J
R(p.u.)
X(p.u.)
变比(%)
TR37
TR38
TR39
TR40
TR41
TR42
TR43
TR44
TR45
TR46
TR47
TR48
BUS-11
BUS-13
BUS-30
BUS-31
BUS-32
BUS-34
BUS-33
BUS-35
BUS-36
BUS-37
BUS-38
BUS-20
BUS-12
BUS-12
BUS-2
BUS-6
BUS-10
BUS-20
BUS-19
BUS-22
BUS-23
BUS-25
BUS-29
BUS-19
0.00160
0.00160
0.00000
0.00000
0.00000
0.00090
0.00070
0.00000
0.00050
0.00060
0.00080
0.00070
0.04350
0.04350
0.01810
0.02500
0.02000
0.01800
0.01420
0.01430
0.02720
0.02320
0.01560
0.01380
100.6
100.6
102.5
107.0
107.0
100.9
107.0
102.5
100.0
102.5
102.5
106.0
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计算结果牛顿-拉夫逊法潮流计算结果节点计算结果:
n节点节点电压节点相角(角度)节点注入功率
11.049185-8.8749910.000000+j0.000000
21.053167-6.3671800.000000+j0.000000
31.041493-9.207297-3.220000+j-0.024000
41.036574-10.042585-5.000000+j-1.840000
51.044652-8.9592370.000000+j0.000000
61.043883-8.2931040.000000+j0.000000
71.032645-10.342431-2.338000+j-0.840000
81.031177-10.811816-5.220000+j-1.760000
91.042715-10.5956480.000000+j0.000000
101.046426-6.0104760.000000+j0.000000
111.044322-6.7924620.000000+j0.000000
121.030736-6.795388-0.085000+j-0.880000
131.042351-6.6754910.000000+j0.000000
141.036310-8.2323370.000000+j0.000000
151.018517-8.519794-3.200000+j-1.530000
161.025492-7.051856-3.290000+j-0.323000
171.032750-8.0771180.000000+j0.000000
181.034779-8.936485-1.580000+j-0.300000
191.044862-2.3821690.000000+j0.000000
200.988148-3.811032-6.800000+j-1.030000
211.024926-4.596980-2.740000+j-1.150000
221.042650-0.0705120.000000+j0.000000
231.032952-0.245457-2.475000+j-1.150000
241.021125-6.906503-3.080000+j-0.922000
251.060163-4.952002-2.240000+j-0.472000
261.052697-6.205207-1.390000+j-0.170000
271.037683-8.217337-2.810000+j-0.755000
281.050444-2.695196-2.060000+j-0.276000
291.0501630.063077-2.835000+j-0.269000
301.0043921.5947816.500000+j1.759000
310.9916322.8925726.320000+j1.033500
321.0505397.7977865.600000+j0.968800
331.047500-3.9575982.500000+j1.211174
341.0123001.3857745.080000+j1.826359
351.0493004.9253246.500000+j2.637566
361.0278001.8194765.400000+j-0.108224
371.0265007.1255798.300000+j0.214225
381.030000-10.390696-1.040000+j-2.291639
391.0000000.0000005.628660+j1.384403
线路计算结果:
n节点I节点J线路功率S(I,J)线路功率S(J,I)线路损耗dS(I,J)
211.178698+j-0.360055-1.174311+j-0.3604810.004386+j-0.720536
3916.405845+j-2.096152-6.361848+j2.4082870.043997+j0.312135
32-3.633961+j-0.5426133.649983+j0.4465770.016021+j-0.096036
2522.370242+j-1.109311-2.328681+j0.9973560.041562+j-0.111955
43-0.750370+j-0.3071720.751094+j0.0800140.000724+j-0.227159
1830.337560+j-0.663855-0.337133+j0.4385990.000427+j-0.225256
541.635254+j0.499000-1.633054+j-0.6091190.002200+j-0.110119
1442.621711+j-0.216428-2.616576+j0.1507770.005135+j-0.065651
654.826035+j-0.675350-4.821682+j0.6846070.004353+j0.009257
85-3.178130+j-1.0418363.186428+j0.9989890.008297+j-0.042847
76-4.249274+j-0.9695594.259899+j1.0106570.010625+j0.041098
1163.465003+j-0.270003-3.457273+j0.2091360.007730+j-0.060866
87-1.909893+j-0.1967321.911274+j0.1295590.001381+j-0.067173
980.132235+j0.116464-0.131977+j-0.5214320.000258+j-0.404968
3997.617154+j-1.902126-7.557438+j2.1426870.059717+j0.240561
1110-3.483660+j-0.2030643.488121+j0.1713520.004461+j-0.031712
1310-3.008372+j-0.7304893.011879+j0.6886800.003508+j-0.041809
1413-2.934129+j-0.4114632.941429+j0.3072640.007300+j-0.104199
1514
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