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Overview
Busbar Trunking System !Definition & Types
Electrical system
Areas of Applications
L&T Busbar Trunking SystemSandwich System
Conventional System
Medium Voltage System
Summary
Relevant Standards
Project References
Busbar Trunking System
Definition
Busbar Trunking System is a prefabricated electrical distribution system
consisting of busbars in a protective enclosure, including straight lengths, fittings,
devices and accessories.
Mainly of two types:
•Air Insulated
•Sandwich
Air -Insulated Sandwich
Busbar Trunking System
SystemMV Supply
MV Supply MV Panel
MV Panel LV Supply
LV Supply LV Panel
LV Panel
Load
Centers
Back-up
Supply
Busbar Trunking System
Factors Cables BBT Technical Comparison
Energy Efficiency Low High Voltage drop
Safety Features Less MoreSC withstand capacity, Protection
against fire, Combustive energy
Service Life Low High Average service life is >20 years
Flexibility to
RequirementsNo Yes
Load can be added and adjusted on the
existing system
Installation Cost High LowShorter installation time, less support
and space required
Maintenance Cost High Low Maintenance free system
Aesthetic Poor GoodCompact in size and well finished
surface
Size Large Small Single run for multiple circuits
Mechanical Strength Low High Metal Enclosure
Areas of application
Typical Bus-bar Layout
Tap off box
Tap off box
Tap off box
L&T HENIKWON Busbar Trunking System
Sandwich Busbar Trunking System:- Up-to Maximum 1000V and
- 400 A to 6300 A Current Capacity
- Epoxy Insulated
Conventional Busbar Trunking System:- Up-to Maximum 415 V and
- 100 A to 400 A Current Capacity
- Air-insulated
Medium Voltage Busbar Trunking System:- Up-to Maximum 33 kV and
- 100 A to 6300 A Current Capacity
- Air-insulated
L&T HENIKWON Busbar Trunking System
Sandwich Busbar Trunking System
Type Sandwich
Rated Operating Condition Up-to 1000 V, 50Hz or 60Hz
Rated Current 400 A to 6300 A
Rated Insulation Voltage 1000 V
Impulse withstand Voltage 10 kV
Fault Level for 1 Sec
Up-to 600A 25 kA
800A-1000A 50 kA
1250A-1600 A 65 kA
2000A-6300A 100 kA
Design Ambient Temp. 50 C
Degree of Protection (IP) 54, 55, 66, 67 & 68
Relevant Standard IEC – 60439 – 1 & 2
Enclosure 1.6mm GI or 2mm Aluminum with Epoxy Coating
Conductor Material Copper & Aluminum
Configuration3P3W, 3P4W, 3P5W
(combination available with/without Integral earth)
Joint Single Bolt
Insulation Class – F Epoxy
Sandwich Busbar Trunking System Components
Straight Length Feeder Type
Straight Length Plug-in Type Flatwise Elbow
Edgewise Elbow
L&T HENIKWON Busbar Trunking System
Sandwich Busbar Trunking System Components
Edgewise Offset
Flatwise Offset Reducer Plug-in Box
Flange EndCombination Elbow
L&T HENIKWON Busbar Trunking System
Conventional Busbar Trunking System
Type Air-insulated
Rated Operating Voltage Up-to 415 V
Rated Current 100 A to 400 A
Impulse withstand Voltage 10 kV
System Frequency 50 Hz & 60 Hz
Design Ambient Temp. 50 C
Degree of Protection (IP) 54
Relevant Standard IEC – 60439 – 1&2
Enclosure 1.6mm GI with epoxy coating
Conductor Material Copper
Configuration3P4W, 3P5W (both combination available with /without
Integral earth)
Joint Multiple Bolt
Insulation Class Class – H, SMC
L&T HENIKWON Busbar Trunking System
Conventional Busbar Trunking System Components
Plug-in Box
Straight Length Flatwise Elbow
Edgewise Elbow Centre-Feed Box
End-Feed Box
L&T HENIKWON Busbar Trunking System
Medium Voltage Busbar Trunking System
Type Air-insulated
Rated Operating Voltage 3.6 kV to 24 kV
Rated Current 400 A to 5000 A
Impulse withstand
Voltage10 kV
System Frequency 50 Hz & 60 Hz
Degree of Protection (IP) 54, 55 & 65
Relevant Standard IEC – 62271 – 200
Enclosure GI, Stainless Steel & Aluminum
Enclosure Coating Epoxy
Conductor Material Copper & Aluminum
Configuration 3P3W
Joint Splice plate multiple Bolt
Insulation Material Epoxy
L&T HENIKWON Busbar Trunking System
Medium Voltage Busbar Trunking System Components
Straight Length Flatwise Elbow
Edgewise ElbowPhase Transposition Box
L&T HENIKWON Busbar Trunking System
Summary
Ampere (A)` 10
0
20
0
30
0
40
0
63
0
80
0
10
00
12
50
15
00
16
00
20
00
25
00
30
00
35
00
40
00
45
00
50
00
63
00
Conventional
Sandwich
M.V.
Indoor
Outdoor
L&T HENIKWON Busbar Trunking System
Color blocks indicates range availability
Relevant Standards
Low Voltage SystemIEC 60439-1&2:2005
BS EN 60439-1&2:2000
AS NZ 3439-2: 2002
AS 3439-2:1994
JISC 8364
Medium Voltage SystemIEC 62271-200:2003
VDE 532
IP ProtectionIEC 60529-2:2001
AS 60529: 2004
Fire SafetyIEC 60331
And Also Comply toCCC, NEMA, ANSI, CSA
In use at more than 900 Installations
25 countries spread across 5 continents
IndiaJaypee Greens (NOIDA), TATA Software Park (Mumbai), Intel
(Bangalore), Godrej Towers (Mumbai), Hyundai Motors (Chennai),
Dell (Bangalore), HSBC (Hyderabad), Wipro (Hyderabad), Sahara
(Gurgaon), TCS (Kolkata), Weinker Institute (Mumbai), Veneberg
Park (Hyderabad), DMRC (New Delhi), SSG (Chennai), HSBC
(Kolkata), International School (Bangalore), MTNL (New Delhi),
etc.
OverseasLagos (UK), Churchill Tower (UAE), HP Global IT Hub (Malaysia),
A’seeb Waste Water Plant (Oman), Mahreq Bank (UAE), Hotel
Panghegar (Indonesia), HB Tower (Vietnam), Bio-Mass Power Plant
(Malaysia), Alhamra Palace (UAE), Gate Hampton (UK), Wan Chai
Police HQ (Japan), Petro-sport (Egypt), 62 CCE Pacifico (Mexico),
etc.
Project References
Thank You
