One and half Schéme.pdf
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Transcript of One and half Schéme.pdf
Salwa L11 Salwa L12
Contractor N
°G
CC
IA-3-A
/SIL-34-D
-200 00
33kV
BUS 4A2
33kV
Reactor XL1 Reactor XL2P741
87B1-ALow Impedance differential relay
P742 P742 P742
F/O
Shuweihat L14Shuweihat L13
GC
CIA
N°
Page 2-2
BUS 4B2
GC
CIA
-C8-2010-48-0200-0034 00
P741
87B2-ALow Impedance differential relay
P742 P742 P742
F/O 87B1-A
Low Im
pedance differential relay
Salwa L11 Salwa L12
Contractor N
°G
CC
IA-3-A
/SIL-34-D
-200 00
33kV
BUS 4A2
33kV
Reactor XL1 Reactor XL2P14287B1-B
High Impedance differential relay
Shuweihat L14Shuweihat L13
GC
CIA
N°
Page 2-3
BUS 4B2
GC
CIA
-C8-2010-48-0200-0034 00
87B2-BHigh Impedance differential relay
P142
87B1-B
High Im
pedance differential relay
Salwa L11 Salwa L12
Contractor N
°G
CC
IA-3-A
/SIL-34-D
-200 00
33kV
BUS 4A2
33kV
Reactor XL1 Reactor XL2
P142
TEEHigh Impedance differential relay
Shuweihat L14Shuweihat L13
GC
CIA
N°
Page 2-4
BUS 4B2
GC
CIA
-C8-2010-48-0200-0034 00
TEE
1H
igh Impedance
differential relay
To Remote end trip via DTT
Salwa L11 Salwa L12
Contractor N
°G
CC
IA-3-A
/SIL-34-D
-200 00
33kV
BUS 4A2
33kV
Reactor XL1 Reactor XL2
21A/67NADistance RelayDEFStub bus
P443
PO
R c
omm
unic
atio
n sc
hem
e (1
)
Shuweihat L14Shuweihat L13
GC
CIA
N°
Page 2-5
BUS 4B2
GC
CIA
-C8-2010-48-0200-0034 00
In case line isolator opened, MiCOM P443 is converted to overcurrent relay.(stub bus protection)
(1)POR : Permissive Over reach(Téléaction sent for Z2 fault)
21A/67N
AD
istance Relay
DE
FS
tub bus
Salwa L11 Salwa L12
Contractor N
°G
CC
IA-3-A
/SIL-34-D
-200 00
33kV
BUS 4A2
33kV
Reactor XL1 Reactor XL2
(1)Back up distance function automatically set in operation in case of line differential communication failureOnly Zone 1 is used :Z1 : 70% of the lineNo teleactionNo reverse zoneInternal VT supervision blockPower swing block
87LB/21 BU67 BULine diff. relayBack up distance (1)Back up overcurrent (2)
P544
Com
munication
(single channel)
(3)
(2)Back up directional
Shuweihat L14Shuweihat L13
GC
CIA
N°
Page 2-6
BUS 4B2
GC
CIA
-C8-2010-48-0200-0034 00
(3)Intertrip signal via communication channel of MiCOM P544
Back up directional overcurrent function automatically set in operation in case of line differential communication failureInverse time overcurrentSee appendix 7-3
87LB/
21BU
/50B
ULine diff. relay
Salwa L11 Salwa L12
Contractor N
°G
CC
IA-3-A
/SIL-34-D
-200 00
33kV
BUS 4A2
33kV
Reactor XL1 Reactor XL2
27/59Over and under voltage
P141
Intertripping rem
ote end (1)
Shuweihat L14Shuweihat L13
GC
CIA
N°
Page 2-7
BUS 4B2
GC
CIA
-C8-2010-48-0200-0034 00
Intertripping rem
ote end
27/59O
ver and under voltage
(1) Tripping from function 59(over voltage) onlyNo tripping from function 27 (under voltage)
Salwa L11 Salwa L12
Contractor N
°G
CC
IA-3-A
/SIL-34-D
-200 00
33kV
BUS 4A2
33kV
Reactor XL1 Reactor XL2
P142
Trip
Protected zone
87RAHigh Impedance differential relay
33kV SST.breaker Trip
Shuweihat L14Shuweihat L13
GC
CIA
N°
Page 2-8
BUS 4B2
GC
CIA
-C8-2010-48-0200-0034 00
87RA
High Im
pedance differential relay
Salwa L11 Salwa L12
Contractor N
°G
CC
IA-3-A
/SIL-34-D
-200 00
33kV
BUS 4A2
33kV
Reactor XL1 Reactor XL2
Protected zone
P132
87RBHigh Impedance differential relay
Trip
33kV SSTbreaker Trip
Shuweihat L14Shuweihat L13
GC
CIA
N°
Page 2-9
BUS 4B2
GC
CIA
-C8-2010-48-0200-0034 00
87RB
High Im
pedance differential relay
Salwa L11 Salwa L12
Contractor N
°G
CC
IA-3-A
/SIL-34-D
-200 00
33kV
BUS 4A2
33kV
Reactor XL1 Reactor XL2
50/51NRNon DirectionalEarth Fault
Trip
P141
50/51RNon directionalPhase O/C
33kV SST breaker Trip
Shuweihat L14Shuweihat L13
GC
CIA
N°
Page 2-10
BUS 4B2
GC
CIA
-C8-2010-48-0200-0034 00
50/51NR
Non D
irectionalE
arth Fault
50/51RN
on directionalP
hase O/C
Salwa L11 Salwa L12
Contractor N
°G
CC
IA-3-A
/SIL-34-D
-200 00
33kV
BUS 4A2
33kV
Reactor XL1 Reactor XL2
P141
50RNEarth Fault
Alarm to DCS
Trip
33kV SSTbreaker Trip
Shuweihat L14Shuweihat L13
GC
CIA
N°
Page 2-11
BUS 4B2
GC
CIA
-C8-2010-48-0200-0034 00
50AL
Earth Fault
Salwa L11 Salwa L12
Contractor N
°G
CC
IA-3-A
/SIL-34-D
-200 00
33kV
BUS 4A2
33kV
Reactor XL1 Reactor XL2
Shuweihat L14Shuweihat L13
GC
CIA
N°
Page 2-12
BUS 4B2
GC
CIA
-C8-2010-48-0200-0034 00
TEE1High Impedance differential relay
P142
Intertripping rem
ote end
TEE
1H
igh Impedance
differential relay
Salwa L11 Salwa L12
Contractor N
°G
CC
IA-3-A
/SIL-34-D
-200 00
33kV
BUS 4A2
33kV
Reactor XL1 Reactor XL2
Shuweihat L14Shuweihat L13
GC
CIA
N°
Page 2-13
BUS 4B2
GC
CIA
-C8-2010-48-0200-0034 00
TEE2Low Impedance differential relay
P633
Intertripping rem
ote end
TEE
1H
igh Impedance
differential relay
Salwa L11 Salwa L12
Contractor N
°G
CC
IA-3-A
/SIL-34-D
-200 00
33kV
BUS 4A2
33kV
Reactor XL1 Reactor XL2
Shuweihat L14Shuweihat L13
GC
CIA
N°
Page 2-14
BUS 4B2
GC
CIA
-C8-2010-48-0200-0034 00
Line Dist relay
7SA522
Com
mun
icat
ion
7SD522
Line diff. relay
HV
DC
Line diff. relay
Com
mun
icat
ion
Salwa L11 Salwa L12
Contractor N
°G
CC
IA-3-A
/SIL-34-D
-200 00
33kV
BUS 4A2
33kV
Reactor XL1 Reactor XL2
Shuweihat L14Shuweihat L13
GC
CIA
N°
Page 2-15
BUS 4B2
GC
CIA
-C8-2010-48-0200-0034 00
32R (1)Active power relayReverse
32F (2)Active power relayForward
P132P132Alarm Intertripping
remote end 32R
Active pow
er relayR
everse
32FA
ctive power relay
Forward
Applicable for any feeder interfaced with utility (1) 32R Export Power (from utility toward GCCIA)(2) 32F Import Power (from GCCIA toward utility)(3) At Al Fadhili : 32F alarm only
Salwa L11 Salwa L12
Contractor N
°G
CC
IA-3-A
/SIL-34-D
-200 00
33kV
BUS 4A2
33kV
Reactor XL1 Reactor XL2
Close
P841 79/25AutorecloserVoltage control
Important note : the Voltage control function is used to check In case of 3p autoreclose sequence only
Close
P841
Close
P841
line VT
line VT
Close
P841
bus VT
line VT
bus VT
line VT
Close
P841
line VT
Shuweihat L14Shuweihat L13
GC
CIA
N°
Page 2-16
BUS 4B2
GC
CIA
-C8-2010-48-0200-0034 00
autoreclose sequence only
Close
P841
Close
P841
bus VT
line VT
bus VT
line VT
79/25A
utorecloserV
oltage control
line VT
line VT
Close
line VT
Salwa L11 Salwa L12
Contractor N
°G
CC
IA-3-A
/SIL-34-D
-200 00
33kV
BUS 4A2
33kV
Reactor XL1 Reactor XL2
7VE61
Close
25A/25SCSynchronizer
7VE61
Close
25A/25SCSynchronizer
7VE61
Close
25A/25SCSynchronizer
7VE61
Close
25SCSynchro check
Important note :used to check Live Bus Live line conditions. In case of manual close from BCU only when BCU not able to
line VT line VT
Bus VT
line VT
Bus VT
line VT
7VE61
Close
25A/25SCSynchronizer
7VE61
Close
25A/25SCSynchronizer
line VT
line VT
line VT
Shuweihat L14Shuweihat L13
GC
CIA
N°
Page 2-17
BUS 4B2
GC
CIA
-C8-2010-48-0200-0034 00
Close
7VE61
Close
25A/25SCSynchronizer
Close
7VE61
Close
25A/25SCSynchronizer
only when BCU not able to give directly the authorization for closing- initiation of MX3EG is received from BCU-if conditions are OK : Breaker closing given by 7VE61-if conditions are not OK :
(1)Relays installed in the panels with inputs connected but close command not connected
25AS
ynchronizer
-Voltage rise or decrease signal sent to BCU-Frequency rise or decrease signal sent to BCU-Signal “Synchro in progress” sent to ICC
line VT line VT
line VT
Bus VT
line VT
Bus VT
Close
Bus VT
7VE61
Close
25SCSynchro check
Bus VT
line VT
Salwa L11 Salwa L12
Contractor N
°G
CC
IA-3-A
/SIL-34-D
-200 00
33kV
BUS 4A2
33kV
Reactor XL1 Reactor XL2
50/62Breaker Failure
P841
1st stage (Retrip)
Tripping of adjacent breakers through P740 bus bar protection tripping circuit and P142 protection tripping
2nd
stage trip
2nd
stage trip2nd
stage tripNote : retrip is sent
to the two trip coils
2nd stage trip
Shuweihat L14Shuweihat L13
GC
CIA
N°
Page 2-18
BUS 4B2
GC
CIA
-C8-2010-48-0200-0034 00
2nd
stage trip
protection tripping circuit
Intertripping to rem
ote end
50/62B
reaker Failure
trip
Salwa L11 Salwa L12
Contractor N
°G
CC
IA-3-A
/SIL-34-D
-200 00
33kV
BUS 4A2
33kV
Reactor XL1 Reactor XL2
50/62Breaker Failure
P841
2nd stage tripNote : retrip is sent
to the two trip coils
Shuweihat L14Shuweihat L13
GC
CIA
N°
Page 2-19
BUS 4B2
GC
CIA
-C8-2010-48-0200-0034 00
2nd
stage trip
1st stage (Retrip)
Intertripping remote end
50/62B
reaker Failure
Salwa L11 Salwa L12
Contractor N
°G
CC
IA-3-A
/SIL-34-D
-200 00
33kV
BUS 4A2
33kV
Reactor XL1 Reactor XL2
2nd
stage trip
Tripping of adjacent breakers through P740 bus bar protection tripping circuit and P122
Note : retrip is sent to the two trip coils
Shuweihat L14Shuweihat L13
GC
CIA
N°
Page 2-20
BUS 4B2
GC
CIA
-C8-2010-48-0200-0034 00
50/62Breaker Failure P841
1st stage (Retrip)
tripping circuit and P122 protection tripping circuit
2nd
stage trip
2nd
stage trip
2nd
stage trip
50/62B
reaker Failure