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Power Bar
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Revision No. 2 20/06/2011
For use In ACCORDANCE to IEC Standards
5Introduction
Powerbar manufactures and provides a wide range of busbar systems from
160Amp to 6300 Amp.
Busbar systems have many advantages over wire and conduit installations.
Why Busbar and not Cable?
Lower Total Install cost
Busbar material costs are often equal or less than wire and conduit.
,QVWDOODWLRQLVH[LEOHDQGTXLFNHUWKDQFDEOHLQVWDOODWLRQ7KHVNLOOVHWUHTXLUHGWRLQVWDOOEXVEDULVPRUHFRVWHIIHFWLYHWKDWWKHteam required to install a wired solution.
Lower life cycle costs
Busbar components can be added, deleted or relocated after the initial
installation due to to the simple jointing mechanism, saving time and money
Predicable Characteristics
Busbar systems conform to common international standard and are
tested to BS-EN 60439-1 & 2. Readily published characteristics on busbar
short circuit rating, voltage drops, weights and dimensions can be used.
Fast Flexible Engineering
7KHODUJHQXPEHURIWDSRIISRLQWVPDNHLWSRVVLEOHWRHQJLQHHUWKHSRZHUVXSSO\V\VWHPDWDQHDUO\VWDJHHYHQEHIRUHWKHQDOGLVSRVLWLRQRIORDGVLVNQRZQ
Flexible Power Supply
7DSRIISRLQWVDWVKRUWLQWHUYDOVPDNHHOHFWULFDOSRZHUDYDLODEOHLQDOOlocations; the power supply can be adapted to different production
processes simply by relocating the tap off unit.
The Powerbar range of busbar is compact, the small size means it may
EHXVHLQ/RFDWLRQVZKHUHFDEOHIHHGHUFLUFXLWVZRXOGQRWW(IFLHQWXVHRIPDWHULDOVLVDQGDGGLWLRQDOIDFWRULQ3RZHUEDUVFRPSDFWdesign.
6Technical Features
GeneralPowerbar compact sandwich construction made up of insulated epoxy resin coated conductors and aluminium housing can
be adapted to any building structure. All necessary components are manufactured within the factory. Special components
can be manufactured to match clients requirements.
ConnectionsInstallation of joints is simple and effective with the mono block jointing system. Belleville spring washers on both sides of the
joint maintain the correct pressure and ensure a more secure, reliable and maintenance free installation.
2QHRIWKHPRVWLPSRUWDQWEHQHWVRIEXVEDUWUXQNLQJLVWKHZD\LQZKLFKFRQQHFWLRQVDUHPDGHWRLW$WUHJXODULQWHUYDOVDORQJLWVOHQJWKWKHWUXQNLQJKDVSURYLVLRQIRUWWLQJWDSRIIXQLWV7KHVHDUHGHYLFHVWKDWSOXJLQWRWKHWUXQNLQJDQGSURYLGHWHUPLQDOVfor the connection of power outlets or other electrical loads.
:KHQXWLOLVLQJEXVEDULQULVHUVWKHUHLVH[FHOOHQWUHSHUIRUPDQFHRIIHUHGE\VDQGZLFKFRQVWUXFWLRQ7KHUHLVQRDLUVSDFHZLWKLQthe trunking which means that it cannot convey hot combustion gases in the way that ordinary wiring ducts invariably do.
Heat TransferWhen it comes to temperature derating busbar trunking is clearly superior to cable. Even at modest ambient temperature
trunking typically needs to be derated 10% less than an equivalent cable. Powerbar busway has a modern totally enclosed
housing design requiring no derating regardless of mounting position. Because the housing has no ventilating holes, the entry of
dirt and possibility of accidental contact with bus barsis greatly reduced.
Minimum Voltage Drop)RUERWKFDEOHDQGWUXQNLQJYROWDJHGURSPXVWRIFRXUVHFRQVLGHUHG7UXQNLQJDOPRVWDOZD\VRXWSHUIRUPVFDEOH)RUFXUUHQWEHWZHHQ$DQG$LWVQRWXVXDOIRUWKHWUXQNLQJYROWDJHGURSWREHDURXQGORZHUWKDQWKDWRIDQHTXLYDOHQWFDEOH7KLVVLPSOLHVWKHGHVLJQHUVZRUNE\DOORZLQJORQJHUUXQVWREHXVHGZKLOHUHPDLQLQJZLWKLQWKHPD[LPXPDOORZDEOHYROWDJHGURSVlaid down in the wiring regulations.
1RWRQO\DUHSKDVHWRQHXWUDOYROWDJHGURSVORZHUWKDQDQHTXLYDOHQWFDEOHEDVHGLQVWDOODWLRQWKHHDUWKORRSLPSHGDQFHLVDOVRUHGXFHG/RZHUORRSLPSHGDQFHPHDQVWKDWHDUWKIDXOWFXUUHQWVDUHKLJKHUOHDGLQJWRIDVWHUGLVFRQQHFWLRQWLPHVLUUHVSHFtive of whether protection is provided by circuit breakers or fuses
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
Powerbars High Powerbar(HPB) range is a
1000volt,totally encased, non ventilated, low
impedance sandwich construction, available in
with either copper or aluminium conductors. The
copper option is available from 1000A to 6600A
and the aluminium option is available from 1000A
to 5000A. The HPB range is available with a
choice of ingress protection from IP55 to IP67. the
EXVEDU FDQ EH FRQJXUHG DV HLWKHU IHHGHUdistribution or a combination of both.
Powerbar completed extensive testing at
ASTA and KEMA accredited laboratories to ensure
the product we supply meets the international
requirements.
Powerbar completed extensive testing at UL
accredited laboratories to ensure the product
we supply meets the UL requirements.
7KH+3%UDQJHLVIXOO\$67$7HVWHG&HUWLHGDQGLV&(DSSURYHG ,W LVPDQXIDFWXUHGLQDFHUWLHGmanagement system environment where quality
BS EN ISO 9001:2008,Safety OHSAS 18001:2007
and Environmental ISO 140001 standards are
applied to all aspect of the manufacturing and
installation processes. It is and manufactured in
accordance with IEC60439-1 and IEC60439-2.
8/&ODVVLHG
100% or 50%
100% or 50%
ISO
IMPEDANCE
REACTANCE
RESISTANCE
328
328
328
Voltage Drop CalculationLoad Distribution Factor
F= Supply
L= Load 1.00
0.50
0.25
0.125
0.25
L
LF
F
F
L1
L1
L1
L1
L2
L2
L2
L2
L3
L3
L3
L4
L4
L4
F= Supply
L1,L2,L3,L4
Load
F= Supply
L1,L2,L3,L4
Load
F= Supply
L1,L2,L3,L4
Load
F= Supply
L1,L2
Load
Voltage drop of a busbar system can be calculated with the
following formula taking into account the D load distribution constant.V
= Voltage Drop (V)
= Load Distribution Constant
= Line Length (m)
= Line Current (A)
= Resistance (m:/m)= Inductive Reactance (m:/m)= Load Factor
3.L.l.(R.CosMX'V'
D
D
D 1
1
.SinM) 10 [V]-3L
l
R
X
CosMF
FF
17
1169 1169 1169 1229 1334
50 50 50 65 80
1000 1250 1400 1600 20001000V 1000V 1000V 1000V 1000V
110 110 110 143 176
20 20 24 32
10
5HVLVWDQFHPP#&5HVLVWDQFHPP#&
5HDFWDQFHPP;
,PSHGDQFHPP#&
9ROWDJHGURSSI 9P#&9ROWDJHGURSSI 9P#&9ROWDJHGURSSI 9P#&9ROWDJHGURSSI 9P#&
9ROWDJHGURSSI 9P#&9ROWDJHGURSSI 9P#&9ROWDJHGURSSI 9P#&9ROWDJHGURSSI 9P#&Temperature (20&DQG&FRUUHVSRQGWRWKHbusbar temperature
IMPEDANCE
REACTANCE
RESISTANCE
5050 5858 6464 8080 100100
Voltage Drop CalculationLoad Distribution Factor
F= Supply
L= Load 1.00
0.50
0.25
0.125
0.25
L
LF
F
F
L1
L1
L1
L1
L2
L2
L2
L2
L3
L3
L3
L4
L4
L4
F= Supply
L1,L2,L3,L4
Load
F= Supply
L1,L2,L3,L4
Load
F= Supply
L1,L2,L3,L4
Load
F= Supply
L1,L2
Load
Voltage drop of a busbar system can be calculated with the
following formula taking into account the D load distribution constant.V
= Voltage Drop (V)
= Load Distribution Constant
= Line Length (m)
= Line Current (A)
= Resistance (m:/m)= Inductive Reactance (m:/m)= Load Factor
3.L.l.(R.CosMX'V'
D
D
D 1
1
.SinM) 10 [V]-3L
l
R
X
CosMF
FF
11
5HVLVWDQFHPP# C5HVLVWDQFHPP# C
5HDFWDQFHPP;
,PSHGDQFHPP# C
9ROWDJHGURSSI 9P# C9ROWDJHGURSSI 9P# C9ROWDJHGURSSI 9P# C9ROWDJHGURSSI 9P# C
9ROWDJHGURSSI 9P# C9ROWDJHGURSSI 9P# C9ROWDJHGURSSI 9P# C9ROWDJHGURSSI 9P# C7HPSHUDWXUH C and 80&FRUUHVSRQGWRWKHbusbar temperature
13
14
15
16
17
18
19
Cable Entry Detail
20
21
22
23
Revision No. 2 20/06/2011
1000A & 1250A & 1400A Copper Busbar
1600A Copper Busbar
25
2000A Copper Busbar
2500A Copper Busbar
26
3200A Copper Busbar
4000A Copper Busbar
27
5000A Copper Busbar
6600A Copper Busbar
28
29
30
31
32
33
34
35
36
37
MAX
DIS
TANC
E 1.
5 M
ETER
S
MAX DISTANCE 1.5 M
ETERS
38
CABLE ENTRY
AT BOTTO
M
OF BO
X
39
GLA
ND
PLATE
FOR
CABLE
EN
TRY
END
CAP
PLAS
TIC
SHRO
UD
40
41
42
43
Notes :
Notes :
Notes :