1 2 3 4 5 6 7 8

220kV STATION MINIMUM ALL YEAR ROUND RATINGS

NOMINAL RATING SHORT CIRCUIT RATING
BUSBAR 3150A 40kA
FEEDER BAY 2500A 40kA
STATCOM TBC 40kA ESBN ESBN
A FILTER
SECTIONALISER BAY
TBC
3150A
40kA
40kA
SUBSTATION
SEE NOTE 8
SUBSTATION
SEE NOTE 8
HV BAY CONDUCTOR RATINGS SHALL OUTLINE RATINGS FOR SUMMER WINTER & AUTUMN. P2 P2
CT CT
P1 P1
STANDARD IEC/ESB DESIGNATORS - GIS
GIS GIS GIS GIS
IEC DESIGNATOR INTERFACE INTERFACE INTERFACE INTERFACE
(EIRGRID DESIGNATOR) DESCRIPTION
QC9(DE) QC9(DE)
QA1(CB) CIRCUIT BREAKER
QB1(DA) BUSBAR DISCONNECT M M
QB9(DL) LINE DISCONNECT
QB9(DR) REACTOR DISCONNECT VT VT
QB9(DF) FILTER DISCONNECT
QB9(DS) STATCOM DISCONNECT

QC9(DE) ISOLATABLE HIGH SPEED EARTH M M

DISCONNECT QB9/QC2 QB9/QC2
QC11/QC12 ISOLATABLE HIGH SPEED EARTH (DL/DEM2) (DL/DEM2)
(DEA1/DEA2) DISCONNECT
QC1/QC2/QC3 P2 P2
MAINTENANCE EARTH SWITCH
(DEM1/DEM2/DEM3)
QB11/QB12 CT CT
SECTIONALISER DISCONNECT
B (SA1-2 SA1/SA1-2 SA2)
QA1(SA1-2 CB) SECTIONALISER CIRCUIT BREAKER
P1 P1

QA1(CB) QA1(CB)
KEY
F0A
NEW QC11
QB11 QB21
QC11
(DEA1) (SA1-2 SA1) (SA1-2 SA2) (DEA1)
QB1/QC1 M M M QB1/QC1 M
QA1
FUTURE F7 (DA/DEM1) F3 F1 (SA1-2 CB) F2 F4 (DA/DEM1) F8
A1 220kV BUSBAR A1 A2 A1 220kV BUSBAR
CT MULTICORE CT M P1 P2 P2 P1 M
QB1/QC1 QB1/QC1 QB1/QC1 CT CT QB1/QC1 QB1/QC1 QB1/QC1
(DA/DEM1) M F5 (DA/DEM1) M (DA/DEM1) M (DA/DEM1) M (DA/DEM1) M F6 M (DA/DEM1)
(OHL) OVER HEAD LINE

CABLE SEALING END

CABLE QA1(CB) SEE NOTE 9 QA1(CB) SEE NOTE 9 QA1(CB) SEE NOTE 9 QA1(CB) SEE NOTE 9 QA1(CB) SEE NOTE 9 QA1(CB) SEE NOTE 9

NOTE 1:
THIS SLD IS AN ELECTRICAL REPRESENTATION OF THE STATION. P1 P1 P1 P1 P1 P1
FOR PHYSICAL LAYOUT REQUIREMENTS REFER TO EIRGRID GENERAL FUNCTIONAL CT CT CT CT CT CT
SPECIFICATION XDS-GFS-00-001.
P2 P2 P2 P2 P2 P2

NOTE 2:
QB9/QC2 QB9/QC2 QB9/QC2 QB9/QC2 QB9/QC2 QB9/QC2
C THE SPECIFIC MINIMUM 3 PHASE SHORT CIRCUIT BAY RATING 40kA. APPLIES TO BOTH
ELECTRICAL AND MECHANICAL FORCES.
(DS/DEM2)
M
(DL/DEM2)
M
(DF/DEM2)
M
(DF/DEM2)
M
(DL/DEM2)
M
(DS/DEM2)
M

NOTE 3:
ALL 220kV DISCONNECTS SHALL BE MOTORISED.
VT VT VT VT VT VT

NOTE 4:
THIS IS AN SCS STATION.
QC3(DEM3) QC9(DE) QC3(DEM3) QC3(DEM3) QC9(DE) QC3(DEM3)
THIS IS A GIS STATION.

M M M M M M
NOTE 5:
REFER TO PROJECT SPECIFIC PROTECTION SPEC FOR: GIS GIS GIS GIS
1. SPECIFIC BAY CT & VT RATINGS, BURDEN & ACCURACY CLASS REQUIREMENTS. INTERFACE INTERFACE INTERFACE INTERFACE
2. TELEPROTECTION CHANNEL REQUIREMENTS P1 P1 P1 P1 P1 P1
3. Tx NEUTRAL EARTH REQUIREMENTS
CT CT CT CT CT CT

NOTE 6: P2 P2 P2 P2 P2 P2
A PROTECTION SLD SHALL BE SUBMITTED FOR DETAILED DESIGN & AS-BUILT PURPOSES
INCLUDING THE FOLLOWING:
1. HV PLANT RATINGS FOR ALL HV COMPONENTS INCLUDING PROTECTION STATCOM HARMONIC FILTER HARMONIC FILTER STATCOM
REQUIREMENTS AS OUTLINED IN NOTE 5. (IF REQUIRED) (IF REQUIRED) (IF REQUIRED) (IF REQUIRED)
2. A LEGEND OUTLINING PROTECTION RELAY DETAILS USED INCLUDING RELAY
TYPE, ANSI DEVICE NUMBERS AND LONG RELAY MLFB/ORDER CODE.
3. PROTECTION RELAY INPUTS SHOWN WIRED TO INSTRUMENT TRANSFORMER

D CORES.

SHUNT SHUNT
NOTE 7: SA SA
REACTOR REACTOR
ALL SA REQUIREMENTS TO BE CONFIRMED BASED ON INSULATION COORDINATION R2001 R2001
M M
STUDY. QB9(DR) QB9(DR)

P1 P2 SA P1 P2 P1 P2 SA P1 P2
NOTE 8: CT VT CT CT VT CT
CONNECTION TO THE ESBN SUBSTATION SHALL COMPLY WITH POLICY 18. M M
SA QC3(DEM3) SA QC3(DEM3)
NOTE 9:
FOR SOFT SWITCHING REQUIREMENTS, REFER TO PROJECT SPECIFIC PROTECTION
SPECIFICATION.

NOTE 10:
FUTURE EXTENSION REQUIREMENTS WILL BE CONFIRMED BY EIRGRID.

OFFSHORE OFFSHORE
SUBSTATION SUBSTATION
(OSP) (OSP)

PROJECT
EirGrid plc
STANDARD 220kV GIS SLD
DRAWING IS NOT TO SCALE - IF IN DOUBT, ASK

The Oval, 160 Shelbourne Road,

Ballsbridge, Dublin 4, Ireland
Telephone: +353 1 677 1700 DRAWING TITLE
Fax: +353 1 661 5375
Email: info@eirgrid.com
Web: www.eirgrid.com
220kV GIS ONSHORE
F COMPENSATION COMPOUND
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