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p
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[
1
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y
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tab
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c
u
r
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p
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m
s
[
1
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3
]
.
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n
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s
t
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m
s
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n
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[
4
]
.
P
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ilit
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id
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tab
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d
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ta
b
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[
5
,
6
]
.
Ma
n
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esear
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d
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asp
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tech
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(
DG
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[
7
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.
T
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I
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th
e
s
y
n
c
h
r
o
n
o
u
s
s
p
ee
d
p
er
-
u
n
it
M
V
A
m
ac
h
in
e
r
atin
g
.
I
t
r
ep
r
esen
ts
a
r
ate
o
f
its
d
ec
elar
io
n
o
r
ac
ce
r
l
ar
tio
n
w
h
ic
h
i
n
d
icate
s
r
ate
o
f
c
h
an
g
e
in
t
h
e
r
o
to
r
an
g
le.
I
t
i
s
w
o
r
th
m
en
tio
n
i
n
g
t
h
at
t
h
e
h
i
g
h
er
t
h
e
in
er
tia,
t
h
e
s
lo
w
er
th
e
r
ate
o
f
ch
an
g
e
in
a
n
g
le.
T
h
is
d
ec
r
ea
s
es
th
e
k
i
n
etic
en
er
g
y
g
a
in
ed
d
u
r
in
g
f
a
u
lt
;
s
o
ac
ce
ler
atin
g
ar
ea
is
d
ec
r
ea
s
ed
[
8
]
.
2
.
2
.
Sh
un
t
Ca
pa
cit
o
r
C
o
n
n
ec
t
ca
p
ac
ito
r
s
ar
e
co
n
n
ec
ted
in
m
o
r
e
th
a
n
o
n
e
b
u
s
to
s
u
p
p
ly
s
p
ec
i
f
ic
a
m
o
u
n
t
o
f
r
ea
cti
v
e
p
o
w
er
.
T
h
is
is
b
ec
au
s
e
t
h
e
m
ai
n
r
ea
s
o
n
o
f
o
cc
u
r
i
n
g
d
is
tu
r
b
an
ce
s
is
th
e
lac
k
o
f
r
ea
ctiv
e
p
o
wer
th
er
b
y
i
n
j
ec
tin
g
r
ea
ctiv
e
p
o
w
er
w
ill
i
m
p
r
o
v
e
t
h
e
s
tab
il
it
y
o
f
t
h
e
s
y
s
t
e
m
as
well
as
it
i
n
cr
ea
s
e
t
h
e
lo
ad
ca
r
r
y
in
g
ca
p
b
ilit
y
o
f
t
h
e
tr
an
s
i
m
i
s
s
io
n
l
in
e
[
9
]
.
2
.
3
.
Reduct
io
n o
f
t
he
T
ra
ns
m
i
s
io
n
L
ine R
ea
ct
a
nce
T
h
is
tech
n
iq
u
e
in
v
lo
v
e
s
r
ed
u
cin
g
t
h
e
r
ea
ctan
ce
o
f
th
e
tr
a
n
s
m
is
s
io
n
li
n
es
a
n
d
th
at
p
la
y
s
a
n
i
m
p
o
r
tan
t
r
o
le
in
i
m
p
r
o
v
i
n
g
t
h
e
p
o
w
er
tr
an
s
f
er
r
ed
an
d
th
e
s
tab
il
it
y
o
f
t
h
e
s
y
s
te
m
b
ec
au
s
e
th
e
tr
a
n
s
f
er
r
ed
ap
p
e
r
an
t p
o
w
er
p
r
o
r
etio
n
als in
v
er
s
l
y
w
i
th
t
h
e
r
ea
ctan
ce
ac
co
r
d
in
g
to
th
e
eq
u
atio
n
b
elo
w
:
3.
SYST
E
M
ST
RUC
T
UR
E
T
h
e
s
in
g
le
li
n
e
d
ia
g
r
a
m
a
n
d
d
ata
o
f
2
2
5
-
k
V,
7
-
m
ac
h
in
e
C
I
GR
E
s
y
s
te
m
(
in
p
u
o
n
a
1
0
0
MV
A
b
ase)
ar
e
g
iv
e
n
in
t
h
e
ap
p
en
d
ix
.
th
is
s
y
s
te
m
co
n
s
is
ts
o
f
1
0
b
u
s
es
w
h
ich
i
n
cl
u
d
e
o
n
e
s
lag
b
u
s
,
s
i
x
P
V
b
u
s
es,
an
d
th
r
ee
lo
ad
b
u
s
e
s
,
s
i
n
g
le
lin
e
d
iag
r
a
m
a
n
d
d
ata
o
f
2
2
5
-
k
V,
7
-
m
ac
h
in
e
C
I
GR
E
S
y
s
te
m
a
s
s
h
o
w
n
in
Fi
g
u
r
e
1
.
Fig
u
r
e
1
.
Sin
g
le
li
n
e
d
iag
r
a
m
an
d
d
ata
o
f
2
2
5
-
k
V,
7
-
m
ac
h
i
n
e
C
I
GR
E
S
y
s
te
m
4.
SI
M
UL
AT
I
O
N
R
E
S
UL
T
S
I
n
th
i
s
s
ec
tio
n
,
d
if
f
er
e
n
t
tech
n
iq
u
e
s
ar
e
co
n
s
id
er
ed
to
ev
alu
ate
th
e
i
m
p
ac
t
o
f
ea
ch
m
et
h
o
d
o
n
th
e
tr
an
s
ie
n
t stab
il
it
y
o
f
a
7
-
m
ac
h
i
n
e
C
I
G
R
E
s
y
s
te
m
.
C
ase
1
: N
o
r
m
al
s
i
tu
at
io
n
A
7
-
m
ac
h
i
n
e
C
I
GR
E
S
y
s
te
m
h
as
b
ee
n
tes
ted
at
th
e
n
o
r
m
al
s
it
u
atio
n
to
ev
al
u
ate
tr
a
n
s
i
en
t
s
tab
ilit
y
.
I
n
t
h
i
s
s
itu
a
tio
n
,
it
h
as
b
ee
n
n
o
ticed
t
h
at
t
h
e
s
y
s
te
m
m
ai
n
tai
n
s
t
h
e
s
tab
ilit
y
a
s
lo
n
g
t
h
e
cir
cu
it
b
r
ea
k
er
w
o
r
k
i
n
g
o
n
th
e
r
e
m
o
v
al
o
f
t
h
e
d
a
m
a
g
ed
b
u
s
f
r
o
m
th
e
s
y
s
te
m
as
s
o
o
n
a
s
p
o
s
s
ib
le.
T
h
is
h
as
b
ee
n
o
b
s
er
v
e
d
b
y
i
n
cr
ea
s
i
n
g
t
h
e
clea
r
in
g
ti
m
e
f
r
o
m
0
.
0
5
s
to
0
.
3
9
1
1
5
th
at
r
ep
r
esen
ts
cr
itical
clea
r
i
n
g
ti
m
e
o
f
th
e
f
a
u
lt.
D
u
r
in
g
th
e
b
o
u
n
d
ed
p
er
io
d
,
th
e
s
y
s
te
m
k
ee
p
s
it
s
s
t
ab
ilit
y
as s
h
o
w
n
in
t
h
e
F
i
g
u
r
e
2
:
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n
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3
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er
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u
r
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.
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w
i
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g
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r
v
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a
s
tab
le
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Fig
u
r
e
3
.
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w
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g
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r
v
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o
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an
u
n
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tab
le
s
it
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n
Fro
m
th
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ig
u
r
e
3
,
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h
a
s
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ee
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o
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at
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3
9
1
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5
s
is
r
eg
ar
d
ed
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cr
itical
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e
o
f
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te
m
a
n
d
0
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3
9
1
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6
is
u
n
s
tab
le
ti
m
e.
I
n
t
h
e
s
ec
o
n
d
p
ar
t,
s
o
m
e
tec
h
n
iq
u
es
w
ill
b
e
ap
p
lied
to
in
cr
ea
s
e
th
e
clea
r
in
g
ti
m
e
to
L
o
n
g
as p
o
s
s
ib
le
to
i
m
p
r
o
v
e
t
h
e
s
tab
ilit
y
o
f
t
h
e
s
y
s
te
m
.
C
ase2
: a
n
i
n
cr
ea
s
e
i
n
in
er
tia
c
o
n
s
t
a
n
t o
f
g
en
er
ato
r
(
H)
T
h
is
m
et
h
o
d
is
cla
s
s
i
f
ie
d
as
o
n
e
o
f
t
h
e
m
ain
tech
n
iq
u
e
s
f
o
r
im
p
r
o
v
i
n
g
t
h
e
tr
an
s
ie
n
t
s
ta
b
ilit
y
o
f
th
e
p
o
w
er
s
y
s
te
m
s
.
I
n
f
ac
t,
w
h
en
th
e
i
n
e
r
tia
b
ec
o
m
e
s
h
i
g
h
er
th
at
m
a
k
e
s
t
h
e
r
ate
o
f
ch
a
n
g
e
i
n
a
n
g
le
s
lo
w
er
.
T
h
e
g
a
in
o
f
k
in
e
tic
en
er
g
y
d
ep
e
n
d
s
d
ir
ec
tl
y
o
n
an
g
le
r
ate
ch
a
n
g
e.
T
h
er
ef
o
r
e,
w
h
en
t
h
e
r
ate
d
ec
r
ea
s
es,
th
e
g
ai
n
ed
k
i
n
etic
en
er
g
y
d
u
r
in
g
f
au
lt
w
ill
al
s
o
d
ec
ea
s
e
th
en
ac
ce
ler
ati
n
g
ar
ea
r
ed
u
ce
s
s
o
th
e
s
y
s
te
m
s
tab
ilit
y
r
e
m
ai
n
s
w
i
th
t
h
e
d
esira
b
le
lev
el
[
1
0
]
.
Du
r
i
n
g
o
u
r
p
r
ac
tical,
w
e
f
o
u
n
d
t
h
a
t
o
u
r
o
r
ig
in
al
s
y
s
te
m
s
ta
y
s
s
tab
le
u
n
t
il
clea
r
i
n
g
ti
m
e
eq
u
al
0
.
3
9
1
1
5
s
ec
o
n
d
th
en
it
b
ec
a
m
e
u
n
s
tab
le
at
tcl=
0
.
3
9
1
1
6
s
ec
o
n
d
w
it
h
o
u
t
ch
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n
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o
r
ad
d
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t
h
in
g
as
s
h
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w
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th
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p
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o
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s
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Fi
g
u
r
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4
.
Fig
u
r
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4
.
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w
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n
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Mo
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o
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ater
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u
r
e
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u
r
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em
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er
2
0
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8
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2
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u
r
e
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ase3
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C
o
n
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ti
n
g
S
h
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n
t Cap
ac
ito
r
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n
th
i
s
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s
e,
s
h
u
n
t
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cito
r
is
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n
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ted
i
n
t
w
o
d
if
f
er
e
n
t
p
lace
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to
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al
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te
it
s
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m
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ac
t
o
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th
e
s
y
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te
m
.
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y
,
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e
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n
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ted
to
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e
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8
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ar
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ar
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n
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.
APPENDX
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