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8/10/2019 EE220 Lecture 2
1/39
EE
220
2
8/10/2019 EE220 Lecture 2
2/39
DA:E
8/10/2019 EE220 Lecture 2
3/39
E
8/10/2019 EE220 Lecture 2
4/39
8/10/2019 EE220 Lecture 2
5/39
8/10/2019 EE220 Lecture 2
6/39
:
A
L
H
m
m
L
H
i=1
i=1
H
L
Pick
and
suchthat
P
(
)
0
P
(
)
0
While
Do
Gi
D
Gi
D
P
P
>
M
H
L
m
M
H
M
i=1
L
M
(
)/
2
If
P
(
)
0Then
Els
e
EndW
hileG
i
D
P
=
+
>
=
=
8/10/2019 EE220 Lecture 2
7/39
:E
1
1
1
2
2
2
3
3
3
Conside
rathreegeneratorsystemwith
(
)
15
0.0
2
$/MWh
(
)
20
0.0
1
$/MWh
(
)
18
0.0
25
$/MWh
G
G
G
G
G
G
ICP
P
IC
P
P
IC
P
P
=
+
=
=
+
=
=
+
=
1
2
3
andwith
constraint
1000MW
Rewritinggenerationas
afunctionof
,
(
G
G
G
Gi
P
P
P
P
+
+
=
G1
G2
G3
),
wehave
15
20
P(
)
P
()
0.02
0.0
1
18
P(
)
0.025
=
=
=
8/10/2019 EE220 Lecture 2
8/39
:E
m
Gi
i=1
m
Gi
i=1
Pick
so
P
(
)1000
0and
P
(
)1000
0
L
L H
1
H
1
Try
20then
(20)1000
15
20
18
1000
670MW
0.02
0.01
0.025
Try
30then
(30)1000
1230MW
m
L
Gi
i m
Gi
iP P
= =
=
=
+
+
=
=
=
8/10/2019 EE220 Lecture 2
9/39
:E
Pickcon
vergencetoleran
ce
0.05$/M
Wh
Theniteratesince
0.05
(
)/2
25
H
L
M
H
Lm
=
>
=
+
=
1
1en
snce
wese
Since25
20
0.05
(25
20)/222.5
(22.5)1000
195weset
2
Gi
i
Mm
L
Gi
iP
=
=
=
=
>
=
+
=
=
=
2.5
8/10/2019 EE220 Lecture 2
10/39
:E
H *
*
Con
tinueiteratinguntil
0.05
The
solutionvalueof
,
,is23.53
$/MWh
Onc
e
isknownw
ecancalculateth
e
23.53
15
L
Gi
P
=
,min
,min
ense
Gi
Gi
Gi
Gi
>
1=400
2=250
3=150
(1
)
8.5
k
+
=
8/10/2019 EE220 Lecture 2
23/39
()
.
)(
)(
)
(
1
1
0
x
x
g
x
g
x
x
g
=
+
=
+
g
g
(Jacobian)
)(
and
,
,
(
,
,
)(
where
11
11
1
J
x
g
x
g
=
=
=
nm
m
n
n
m
n
xg
xg
x
x
x
x
gg
)(
)(
1
x
g
x
g
x
=
8/10/2019 EE220 Lecture 2
24/39
,
F
,
xL=g
1
(
1)
()
x
k
k
L
L
+
=
=
+
x
x
x
x
x
=
=
+
= i
i
gi
load
gi
i
P
P
PF
L
1
1
)
(
2
2
2
21
1
1
2
1
2
22
1
g
g
g
g
x
g
ggL
L
L
P
P
P
P
L
Hessian
Matrix
LP
P L
L
P
=
x
8/10/2019 EE220 Lecture 2
25/39
E
&
G
F
(
)
1
min(
)
min
m
T
i
gi
i
F
P
=
=
1 min
max
(supply-d
emandbalance)
(generatorcapacity
limits)
m
gi
D
i gi
gi
gi
P
P
P
P
P
=
=
8/10/2019 EE220 Lecture 2
26/39
E
&
G
:
min
gi
gi
P
P
min
gi
gi
P
P
max
gi
gi
P
P
0
giP
E
=
=
=
=
+
=
m i
g
i
gi
i
m i
gi
gi
i
D
m i
gi
m i
gi
i
P
P
P
P
P
P
PF
L
1
min
min
1
m
ax
max
1
1
min
max
)
(
)
(
)
(
)
,
,,
(
Pg
8/10/2019 EE220 Lecture 2
27/39
E
&
G
C
ma
x
maxm
in
max
if
0
,...,
2,1
0
:
gi
gi
i
i
i
i
gii
gi
P
P
dF
m
i
dPdF
PL
=
=
=
=
+
=
C1
(
)
(
)
min
max
min
ma
x
max
max
1
max
min
min
min
if
0
:
if
0
:
0
:
if
0
if
0
gi
gi
gi
gi
i
gi
gi
gi
gi
i
D
m i
gi
gi
gi
gi
gii
gi
gi
i
giig
gi
P
P
P
P
L
P
P
P
P
L
P
P
L
P
P
P
dPdF
P
P
dPdF
PL
=
=
=
=
=
=
=
=
=
=
=
+
=
=
C4
C3
C2
8/10/2019 EE220 Lecture 2
28/39
EG
AD=40
0
UnitI
ai
bi
ci
Pgim
n
Pgim
ax
1
0
.032
2.18
120.312
200MW
350MW
2
0
.038
2.407
74.074
100MW
200MW
)
200
(
)
100
(
)
380
(
)
200
(
)
400
(
074.74
407
.2
019
.0
312
.120
187
.2
016
.0
2
max2
2
min2
1
max1
1
min1
2
1
2
22
1
21
+
+
+
+
+
+
+
+
=
g
g
g
g
g
g
g
g
g
g
P
P
P
P
P
P
P
P
P
P
L
8/10/2019 EE220 Lecture 2
29/39
E
G
C
0
1
87
.2
032
.0
0
max
min
max
1
min1
1
1
=
+
+
=
g
g L
P
PL
0
)
2
00
(
0
)
100
(
0
)
380
(
0
)
200
(
0
400
0
.
.
2
max
2
2
min2
1
max
1
1
min1
2
1
2
2
2
2
=
=
+
=
=
+
=
+
=
=
=
g
g
g
g
g
g
g
g
P
P
P
P
P
P
LP
8/10/2019 EE220 Lecture 2
30/39
E
G
C
0
380
or
0
0
200
or
0
mi
1
max
1
1
min1
=
=
=
+
=
gg
PP
0
200
or
0
2
max
2
2
2
=
=
g
gP
m
i
i
,...,
2,1
all
for
0
and
0
max
i
min
=
=
=
8/10/2019 EE220 Lecture 2
31/39
E
G
0
407.2
038
.
0
0
187.2
032
.
0
21
=
=
+
=
+gg PP
C
g
g
400
0
407
.2
038
.0
0
187
.2
0
032
.0
2
1
2
1
2
1
=+
+
=
+
=
+g
g
g
g
g
g P
P
P
P
P
P
8/10/2019 EE220 Lecture 2
32/39
E
G
=
4004
07
.2
187
.2
0
1
1
1
03
8
.0
0
1
0
032
.0
21gg PP
=
$/MWhr
24.9
MW
71.
179
MW
29.
220
21gg PP
200
100
350
200
21
gg
PP
8/10/2019 EE220 Lecture 2
33/39
E
:
D
=550
=
5504
07
.2
187
.2
0
1
1
1
038.0
0
1
0
032
.0
21gg PP
2
()
=
$/MWhr
8
4
.11
MW
29.
24
8
MW
71.
30
1
21gg PP
200
100
350
200
21
gg PP
8/10/2019 EE220 Lecture 2
34/39
E
:
2
200
max
max
2
2
2
(
200
)
0
//
lan
grangemultiplierisnotzero(bindin
g)
gP
=200
1
0
0
407
.2
038
.0
0
187
.2
0
032
.0
2
1
2
1
max
2
2
1
2
1
=
+
=
+
=
+
=
+ g
g
g
g
g
g
g
g P
P
P
P
P
P
P
P
8/10/2019 EE220 Lecture 2
35/39
E
:
=
200
5504
07
.2
187
.2
0
0
1
0
0
0
1
1
1
1
038
.0
0
0
1
0
032
.0
max21 gg PP
1 2max
2
350
200
1
3.39
3.38
g gP P
=
max
2
iscommonlyterm
edasshadowprice
8/10/2019 EE220 Lecture 2
36/39
C
8/10/2019 EE220 Lecture 2
37/39
B
.2
1
$/hr
47.
1315
074
.
74)
200
(
407
.2
)
200
(019.0
)
(
$/hr
76.
2845
312
.
120
)
350
(
187
.2
)
350
(
016
.0
)
(
2
2
2
2
1
1
=
+
+
=
=
+
+
=
gg P
FPF
=4157.894161.2
3=3.34
$/hr
23.
4161
47.
1315
78.
2845
)
(
)
(
2
2
1
1
=
+
=
+
=
g
g
T
P
F
PF
F
$/hr
89.
4157
50.
1
325
39.
2832
)
(
)
(
$/h
r
50.
1325
074
.74
)201
(
407
.2
)
201
(
019.0
)
(
$/hr
39.
2832
312
.
120
)
349
(
187
.2
)
349
(
016.0
)
(
2
2
1
1
2
2
2
2
1
1
=
+
=
+
=
=
+
+
=
=
+
+
=
g
g
T
gg
P
F
PF
F
P
FPF
8/10/2019 EE220 Lecture 2
38/39
H
2
A.
B.G
D=
D=
BE
(+5)
D(222010)
8/10/2019 EE220 Lecture 2
39/39
G
,
C
A.
B
F.
,AC.,
"EE3
58:E
"
.
EEE,
D,
2005