3.2 手算冬季最大运行方式潮流
设全网电压额定值N U 1=
，平衡节点13电压13U 1.10︒=∠
1. 支路潮流计算： （1）支路：
22211267127N 2N
22
P Q ˆS S Z Y U U 0.770.47220.77j0.4722(0.0043j0.11)(0.001592j0.0164)11
0.8648j0.4886
+=+++=++⨯+++⨯=+
2277813172N
22
P Q S S Z U 0.86480.48860.8648j0.4886(0.0088j0.0324)1
0.9054j0.4886+=++=++⨯+=+
71377131813181318
1318
131313
U U (U U )P R Q X P X Q R U j U U 0.90540.00880.48860.03240.90540.03240.48860.0088
1.1j
1.11.1
1.0784j0.02281.07860.02
δ=-∆++-=--⨯+⨯⨯-⨯=-
-=-=∠-
131261312613126
13126
11377
P R Q X P X Q R U U j U U +-=-
-
0.86460.00430.48860.110.86480.110.48860.0043
1.0784j0.0228j
1.07861.0786
⨯+⨯⨯-⨯=--
-
1.0251j0.10901.03090.11=-=∠-
（2）支路：
22s s
8
132s 2N
22
P Q S S Z U 1.761.09071.76j1.0907(0.0088j0.0324)1
1.7977j1.2296+=++=++⨯+=+
132191321913219
13219
s 131313
P R Q X P X Q R U U j U U 1.79770.00881.22960.03241.79770.03241.22960.0088
1.1j
1.11.1
1.0494j0.4311.05030.04+-=--⨯+⨯⨯-⨯=-
-=-=∠-
（3）支路：
22233288329N 2N
22
P Q ˆS S Z Y U U 0.660.40900.66j0.4090(0.0042j0.14)(0.00122j0.01)11
0.8228j0.4411+=+++=++⨯+++⨯=+
22889133
8
2N
22
P Q S S Z U 0.82280.44110.8228j0.4411(0.00785j0.0258)1
0.8296j0.4636
+=++=++⨯+=+
1339133913391339
8131313
P R Q X P X Q R U U j U U +-=--
0.82960.007850.46360.02580.82960.02580.46360.00785
1.1j 1.11.1
⨯+⨯⨯-⨯=-
-
1.0832j0.01611.08330.01=-=∠-
828828828
828
3888
P R Q X P X Q R U U j U U 0.82280.00420.44110.140.82280.140.44110.0042
1.0832j0.0161j
1.08331.0833
1.0230j0.12071.03010.12+-=-
-⨯+⨯⨯-⨯=---=-=∠-
（4）支路：
222113011131N
2N
22
P Q ˆS S Z Y U U 0.520.320.52j0.32(0.0042j0.14)(0.00122j0.01)11
0.5228j0.3822'''+=+++=++⨯+++⨯=+
2
2
1111713411
2N
22
P Q S S Z U 0.52280.38220.5228j0.3822(0.0172j0.0568)1
0.53j0.4060+=++=++⨯+=+
134713471347
1347
11131313
P R Q X P X Q R U U j U U 0.530.01720.40600.05680.530.05680.40600.0172
1.1j
1.11.1
1.0707j0.02101.07090.02
+-=--⨯+⨯⨯-⨯=-
-=-=∠-
113011301130
1130
4111111
P R Q X P X Q R U U j U U +-=-
-
0.52280.00420.38220.140.52280.140.38220.0042
1.0707j0.0210j
1.07091.0709
⨯+⨯⨯-⨯=--
-
1.0187j0.08781.02250.09=-=∠-
（5）支路：
