A SYSTEM APPROACH
ON
POWER
DISTRIBUTION
SUPERVISORY CONTROL
~.
Delgado~PenS::n
J.
·
Se a -Fe n~ndez
E.T~S.Ingeni~ os
Telecomunicaci6n
P
.0.
Box.
30002
Ba celona
(Spain)
R.
Minondo-Fominaya
Emp esa
Nacional
llid oelic ica
del
Ribago zani
Calle
~6 cega
329
Ba celona
(Sp~in)
SUMMARY
The
elec ical
ene gy
dis ibu ion
ne -
wo ks
need
emo e
con ol
sys ems
ha
a e
cen
alised
and
in eg a e
d
as
'
a
as
h~
unc-
-
ions
hey
can
de elop
a e
conce ned,
The
need
o
a
hinking
uni
a
he
line
head
o
mana-
ging
a
Supe iso y
Con ol
Sys em
is
una oida-
ble,
The
hinking
uni
(mic op ocesso )
mo e-
o e ,
allows
a
communica ion
ne wo k
o
b·e ·
buil
up
which
uses
he
lin
e
wi hou
ol
age
,
.--,;
wi h
a
a iable
'
numbe
o
.
ansmi e - ecei e
s a ions
a ached
o
he
equi
pped
cen es,
as
dis
cussed
in
his
pape .
This
pape
conside s
a
s s egy
and
he
execu ion
o
a S
upe iso y
Con ol
Sys
e~
which
adop s
a
dynamic
polling
s uc u e
and
which
is
be1ie ed
o
be
.
mo a
a ac i a
and
econo o{cal
han
ha
adop ~d
by
igid
ne wo k
s uc u es,
The
oilowing
pa ag aphs
discuss
he
con-
igu a ion
o
he
Dis ibu ion
Ne wo k
,
he
~ims
ha
he
Supe iso y
Con ol
Sys em
mus
ul
i
l;
he
sys em
unc ions
and
a
ansmi-
ssion
sys em
des
c ip io
n.
CONFIG
URAT
IO
N
OF
THE
NETWORK
The
Supe iso y
Con ol
Sys em
conside ed
in
his
pape
akes
in d
accoun
a
dis
ibu-
ion
ne wo k
con igu a ion
in
which
he e
is
an
ope a ing
ol age
o
25
kV
ou s~de
he
p i-
ma y
s a ion
o
jub-s a ion
·
walls,
The
Ne wo k
.
is
meshed
(excep
in
so~e
isola ed
cases
o
o
ally
u a~
a eas
whe e
ope a ion,
bo h
o¥
2
o e h~ad
and
unde g ound
lines,
is
adial
'
Figu e
I
shows
e
lemen s
which
usu
al
ly
ma-
ke
up
_
he
ype
o
Ne wo k
in b
which
he
Supe£
iso y
Sys em
is
in oduced
.
Also
wo h
me
n ioning
a e
h~
T-R
blocks
which
will
allow
he
exchange
o
in o ma ion
·
be ween
he
line
Head
and
he
equipped
Cen es
unde
he
managemen
o
a
mic op ocesso .
AIMS
The
ma
in
ai~s
o
he
Supe iso y
Con ol
Sys
em
a e
-Faul
loca ion.
I
is
unde s ood
ha
a
aul
has
been
loca ed
when
he
equipped
Cen es
closes
o
i
a e
k~ow~.
PFa~l
isola ion.
I
i~
unde ~ oad
ha
a
aul
has
been
isola ed
wh
~n
he
open-
close
sub-sys ems
ha
e
been
ac i a ed
in
sucb
a
way
ha
h
ey
p e en
he
pas
Raie
o
ene gy
o
he
sec ion
in
which
he
aul
l
ies.
-Renewal
o
se ice.
Thi
$
is
unde s ood
o
mean
he
ac ions
o
be
aken
by
m
eans
o
he
open-close
elemen s
w
i
h a
iew
o
es iblishing
se ice
on
he
N
e wo k,
excep
on
he
sec ion
a ee ed
by
he
au
1
.
-Cen alised
eco din
g
o
all
ac ions
a-
ken
on
he
_
Ne wo k.
-Open-ende<!
..
,
.~
ha
is,
ha
he
sys em
a.,;.
llows
a ia ions
in
he
Ne wo k
wi hou
he
need
o
modi ying
i s
own
.
si uc
~
e.
SYSTEM F
UN
CTIONS
W~en
a
aul
occu s,
h
e
pa
o
he
sys-
eM
is•ocia ed
wi h
he
sec ion
o
he
Ne -
wo k
on
which
i
occu ed,
en e s
in o
ope a-
ion
. .
.
_,,
....
;~
The
line
head
mic op ocesso
in e o
ga es
in
~
p ese
o de ,
he
equipped
C
en es
(
T-R
)
dependen
on
i ,
so
as
o
ind
ou
whe h
e
hey
ha e
"seen''
o
11
no
seen"
he
aul
cu-
en ,
F om
Fi
g
u e
I
i
can
be
seen
ha
i
a -
e
an
a i ma i e
esponse
a
nega i e
espon
-
se
is
gi en,
his
means
ha
he
equipped
Ce
n-
e~
6y
which
he
~aul
is
bounded
ha e
be
en
lo
~
a
ed
and
he
aim
o
loca ion
has
been
u
l-
illed,
..
Follo~ing
his,
he
line
Head
(T-R)
in-
o ms
he
wo
equipped
Cen es
men ion
e d
ab
o
e
wi h
ega ~
o
wbich
open-close
de ices
mus
be
ac ua ed
in
o de
o
isola e
he
a
ul
and
in o ms
he
n_
ea es
isola o
o
ca y
ou
he
necessa y
i
sola ion
and
enewa
l o
se ~ice.
TRANSMISSION
SYS EM
DESCRPTION
Figu e
2
shows
h
e
line
head
T-R
bl
ock
diag am.
The
In e ace
sub-sys em
wi h
he
mi
-
c op oces~o
is
a~ynch onous
and
ope a es
u
n-
de
p og am
con ol.
On
he
" ansmission
mo-
de"
he
MUX
ga
he
s
h
e
in o ma ion
acco ding
o
he
o ma
shown
in
Figu e
4.
Then
h
e
di-
gi al
signal
associa
ed
wi h
he
bu s
(32
bi s)
modula es
a
ca ie
in
ampli ude
(225
Hz).
The
esul ing
•ignal
is
ampli ied
and
adap ed
o
line
wi
h
qe
aim
o
supplying
he
line
80
V
.A.
The
ca ie~
and
he
clock
signals
a e
ge-
CHI825-9/82/000G-()l03$00.
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...
_
1-
L
1
[
I
'
ne a ed
by
an
independen ,
qua z-c ys al
~y~
hesise .
On
he
~ecep ion
mode
h~
line
sig-
nal
is
equalised
on
he
eeei ~
and
h
e n
pa-
s
ses
h ou
g h
an
en elope
de ec o
om
which
in o ma ion
is
ob ained
o
con olling
he
ph
a
se
o
he
syn hesise
,and
de ec ing
he
d!
gi al
signal
associa ed
wi h
he
.
bu s
· e
cei-
ed
.
Fi
g
u e
3
shows
he
T-R
block
diag am
o
a n
equipp
ed
Cen e.
I
can
be
see
n
h
a
he
only
di
e
ence
wi h
eg
a
d
o
he
dia
g
am
gi en
in
Fi g
u e
2
is
h
e
Con ol
Uni
sub-sys
e
n
, wh
os
e '
unc ion
s a
e
· -
In
T an
s
mi
s
sion
m
ode,
c o
nn
ec
ion
o
he
si
g
nal
a
sso
c i a e d
wi h
he
in
o
ma
ion
o
"
see
n"
o
"no
seen"
a
ul
cu en .
In
Recep ion
mod
e , g
ene a ion
o
con
ol
_si
gn
a
ls.
Fi
g
u e
4
illus
a
es
he
: d a
a
ans e
o
m
a whi
ch
is
mad e
up
o
32
bi
s d i
s ibu-
ed
as
ol
l
ows
13 b i
s
o
SYNC
a
nd
adju
s ~
m
e
n
o
he
Au-
oma
ic
Ga
in
Con ol.
·
6
bi
s
o
id e
n
i i
c
a
io~
·
o
a s
a
i
on
o
d e
s in
il
i o
n.
6
bi
s
o
iJen i i
ca
io
n
o
h
e s o
u ce
s
a
ion.
5
bi
s
o
in o m
a
i
o
n.
FIGURE
7.
J •
- 2
bi s
o
pa i y
con ol~
REFERENCES ·
(1)
R.Min
o
ndo-Fominaya,
"A
pow*
dis ibu-
ion
sup
e
iso y
c o
n ol
des
c
ip ion",
(in
Spanish),
Pap
e
o
mee in
g
dis i-
bu ion
o
U.N.E.S.A.
(Spain),
July
.
1979.
(
2)
M.Neg e,
Desid~ i
,
Pas o elli,
B e oneau
"Au
oma
isme
de
ep ise
du
se ice
su
es
e
ap
M.
T.
en
c
oupu e·d·
a
e e"
,
P ece-
de
b ebe e
"ARll
C
A"
du
C.D.N
I
CE,
Sep em-
b e
1
974.
,.:.;
1
04
''
,.
_,
·)
..
~
.
..
..
..
.-~
ELEMEN
EQUIPPED
WITH
OPENING
SYSTEM CONTROLLED
FROM
THE _
HEAD
OF THE L
INE
ELEMENT E
QUIPPED
WITH OPENl
NG
AND
CLOSING
SYSTEM CONTROLL
ED
FROM THE
HEAD
OF THE L
INE
UNEQUIPPED
_MV-LV CENTRE
T-R
BL
OCK
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OR
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INTERF
..
SYNTH
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o_
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DE 1UX
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RECEIV
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0
FIGURE 2
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UNIT c
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FIGURE 4 · . .
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• •
105
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