the abc of switchboard maintenance - nesma · the abc of switchboard maintenance by mark betcherby...
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THE ABC OF SWITCHBOARD MAINTENANCEMAINTENANCE
By Mark BetcherBy Mark BetcherBlacktown City Switchboards
National Electrical Switchboard Manufacturers Association
National Electrical Switchboard Manufacturers Association
DEFINITIONSMaintenance – “ a combination of acts carried out to retain an item in or restore it to an acceptable condition”an item in, or restore it to, an acceptable condition .
Acceptable condition “ the condition in which an itemAcceptable condition – the condition in which an item is able to perform its required function and/or meet the relevant specification”.e eva t spec cat o .
National Electrical Switchboard Manufacturers Association
DEFINITIONSNon-routine maintenancePreventative maintenancePreventative maintenance
Repair or corrective maintenancePost fault maintenanceRepair or corrective maintenanceRoutine maintenance
National Electrical Switchboard Manufacturers Association
WHY MAINTAIN
Economics
WHY MAINTAIN
EconomicsResponsibility
AS3439.1:2002 Clause 5.3“ It is the responsibility of the owner of the ASSEMBLY to institute a system of maintenance. The manufacturer’srecommendations should be addressed, together withthe recommendations of AS2467 in a plannedthe recommendations of AS2467, in a planned preventative maintenance programme. This will minimise the risk of injury or breakdown and the f j yconsequent human suffering and/or loss of supply”.
National Electrical Switchboard Manufacturers Association
WHAT & HOW TO MAINTAINThe Metalwork
WHAT & HOW TO MAINTAIN
National Electrical Switchboard Manufacturers Association
WHAT & HOW TO MAINTAINThe Busbar System
WHAT & HOW TO MAINTAINy
National Electrical Switchboard Manufacturers Association
WHAT & HOW TO MAINTAINThe Busbar System
WHAT & HOW TO MAINTAINy
National Electrical Switchboard Manufacturers Association
Main Switchboard
INCOMING CABLES 8 x 1c 300mm²
FED FROM EXISTING3 3
250A
QM1200A
3SERVICE PROTECTION DEVICE -
FACILITY TO BE LOCKED IN'ON' & 'OFF' POSITIONS.DO NOT SWITCH OFF
IN CASE OF FIRE100AQM2
DISTRIBUTION BOARD
LINK RED PHASE - TO BE REMOVED WHEN
PFC UNIT IS CONNECTED
CT2
CHASSIS CH3 - 48 POLE, DIN TYPE, 18mm PITCH
FED FROM EXISTING INTEGRAL SUB No 8615 CT1
PF1
3 3
M1MTB1
3
3
1 12
50A
18
POLE
SPD - 1250ASET @ 1250A
100AQM4
DISTRIBUTION BOARD
100ADISTRIBUTION BOARD
DB-WAREHOUSEBEHIND DESPATCH OFFICE S/E WALL
3
SD1
PF2
3
DISTRIBUTION BOARDDB-ENGINEERINGN/E WALL BEHIND
100A100A
QM3
CT METER PANELMOUNTED REMOTE
BY OTHERS
MTB1
CH
ASS
IS C
H1
3
SPARE SPACE FOR 3P CB UP TO 250A
3
100A DISTRIBUTION BOARDDB-UPS
NORTH WALL ADMIN
P1FT1
POWER FACTOR 300AQM6
630A
3
CHASSIS CH2 1250A 24 POLE
QM9200A
333
QM11200A 200A
3
QM10
33
300AQM14
3
CORRECTION UNIT PFC1ADJACENT
3 630A
3
SINGLE LINE DIAGRAM
250A200A
250A200A
DISTRIBUTION BOARDDB-FAR
ELECTROBARWEST WALL
200A250A
DISTRIBUTION BOARD
DB-OFFICENORTH WALL
ADMIN
300A400A
SPARE SPACE FOR 3P CB UP TO 250A
SPARE SPACE FOR 3P CB UP TO 250A
AIR CONDITIONING SUB BOARD A/C
PLANTROOM NORTH
DISTRIBUTION BOARD
DB-CENTRECENTRE
WAREHOUSE
SPARE SPACE FOR 3P CB UP TO 630A
SPARE SPACE FOR 3P CB UP TO 630A
SINGLE LINE DIAGRAM
National Electrical Switchboard Manufacturers Association
Service Protection Device
National Electrical Switchboard Manufacturers Association
Service Protection Device
National Electrical Switchboard Manufacturers Association
Revenue CT’s
National Electrical Switchboard Manufacturers Association
Surge Diverter ATS /MTS
National Electrical Switchboard Manufacturers Association
Outgoing Circuit Breakers
National Electrical Switchboard Manufacturers Association
Motor Control Centre
F3F2F1 Q1006A
Q1M125A
MET
ER
PAN
EL
TO P
OIN
T O
F A
TTA
CH
ME
NT
QA120A
QB120A
QC120A
QD120A
QE120A
QF120A
090806 070302 04 0501 11 151412 13 1716 18 1910 20 292826 272322 24 2521 30
NT'
D O
N L
INE
31
Q2M50A
TO L
IGH
T &
POW
ER D
B
A A A A
CIRCUITMONITORING
SUPPLY
N
EAR
TH
NE
UTR
AL
LINKMEN
EARTHMAIN
UB VB WBWAVAUA
M M
WCVCUC UD VD WD
M M
WEVEUE UF VF WF
MM
KC1
FC1
KD1
FD1
KE1
FE1
KF1
FF1
CO
N
VSD STARTERREF. DRG. 0602033-204
REF. DRG. 0602033-203REF. DRG. 0602033-204VSD STARTER
REF. DRG.0602033-206 0602033-206
REF. DRG.0602033-206REF. DRG.
0602033-206REF. DRG.
b
0000
0000
TO PLC.
Q1M
AUX
00C b
APC2
APD2
APE2
APF2
2.6 A1.1 kW
INFLUENTPUMP No.1
2.2 kW
ASPIRATINGAERATOR No.1
2.2 kW
ASPIRATINGAERATOR No.2
0.75 kW
WASPUMP
3.5 kW
WAS STORAGE TANKTRANSFER PUMP
2.6 A1.1 kW
INFLUENTPUMP No.2
"A" "B" "C" "D" "E" "F"
6051 555452 53 5756 58 595040 494846 474342 44 454131 353432 33 3736 38 39
SCA No.1
SCA No.1
00C
00C
QG120A
QM120A
KM1KL1
QL120A
QK120A
QJ120A
QH120A
KH1
QN120A
VNUN UP VP
QP120A
QQ120A
VQUQ UR VR
QR120A
KG1
FG1
CO
NT'
D F
RO
M L
INE
30
CO
NT'
D O
N L
INE
61
VSD STARTERREF. DRG. 0602033-205REF. DRG. 0602033-205
VSD STARTER
REF. DRG. REF. DRG. REF. DRG. REF. DRG.
APG2
APH2
APL2
APM2
KN1 KP1 KQ1 KR1
REF. DRG.0602033-208 0602033-208
REF. DRG.0602033-208REF. DRG.
0602033-208REF. DRG.
M
0.75 kW
EFFLUENT REUSEPRESSURE PUMP
WGVGUG UM VM WM
M
3.4 A1.5 kW
WATER SUPPLYPRESSURE PUMP
M
1.8 A0.75 kW
LPGS PUMPUNIT
WLVLULUK VK WK
M
2.6 A1.1 kW
EFFLUENTPUMP No.1
M
2.6 A1.1 kW
SUPERNATANTRETURN PUMP
UH VH WH WJVJUJ
M
2.6A1.1 kW
EFFLUENTPUMP No.2
M
0.42 A0.05 kW
ALUM DOSINGPUMP No.1
M
0.42 A0.05 kW
ALUM DOSINGPUMP No.2
M
0.42 A0.05 kW
SODA ASHDOSING PUMP No.1
M
0.42 A0.05 kW
SODA ASHDOSING PUMP No.2
SR2FIELD ISOLATOR
ONOFF
SQ2FIELD ISOLATOR
ONOFF
SP2FIELD ISOLATOR
ONOFF
SN2FIELD ISOLATOR
ONOFF
0602033-207 0602033-207 0602033-207 0602033-207
"G" "R""Q""P""N""M""L""K""J""H"
National Electrical Switchboard Manufacturers Association
Motor Control Centre
National Electrical Switchboard Manufacturers Association
Motor Control Centre
National Electrical Switchboard Manufacturers Association
Power Factor Correction Unit
National Electrical Switchboard Manufacturers Association
Power Factor Correction Unit
National Electrical Switchboard Manufacturers Association
Power Factor Correction Unit
National Electrical Switchboard Manufacturers Association
WHEN TO MAINTAIN
The effect on businessForm of ConstructionForm of Construction
EnvironmentLocationEnvironmentDuty
National Electrical Switchboard Manufacturers Association
WHEN TO MAINTAINAS 2467 clauses 4 4 3 4 4 4 & 4 4 5
WHEN TO MAINTAINAS 2467 clauses 4.4.3, 4.4.4 & 4.4.5Inspect – 12 months
Examine – 5 years
Overhaul – 15 yearsOverhaul 15 years
National Electrical Switchboard Manufacturers Association
CONCLUSIONCONCLUSION
National Electrical Switchboard Manufacturers Association
Predictive maintenancePredictive maintenance
National Electrical Switchboard Manufacturers Association
Specialist Companies
National Electrical Switchboard Manufacturers Association
Specialist Companies
National Electrical Switchboard Manufacturers Association
Specialist Companies
National Electrical Switchboard Manufacturers Association
Specialist Companies
National Electrical Switchboard Manufacturers Association
Design
National Electrical Switchboard Manufacturers Association
Manufacturer’s Literature
National Electrical Switchboard Manufacturers Association
3rd PLACE
National Electrical Switchboard Manufacturers Association
2nd PLACE
National Electrical Switchboard Manufacturers Association
WINNER
National Electrical Switchboard Manufacturers Association