Product Profile
The laminated busbar is applied to connect the power devices of the electrical and electronic product. It reduces the distributed inductance of the circuit by means of the structural style of the lamination and parallel distribution of the anode and cathode. In this way, the voltage surge is reduced when the power component is turned off. Therefore, this product lowers the requirement for the voltage resistance of the power component, improves the reliability and stability of the operation of the component and meanwhile enhances the integration level of the current circuit. Last but not least, it is convenient for maintenance.
This laminated Busbar could be customized or specified according to your design or drawings. Clients can also provide information of real application information for us and we can design products on the basis of such information.

Features
1. Low inductance coefficient
2. Compact Structure and effective use of space and control of the system temperature
3. Minimal impedance and voltage drop
4. Strong overload capacity
5. Reduction of the harms caused by peak voltage to the components and extension of the service life of the electronic components
6. Reduction of the system noise and the electromagnetic interference/radio frequency interference
7. Easy installation and convenient on-site maintenance
8. Fewer components and improvement of the system reliability
9. Equally distributed capacitance
10. Simplicity and beauty in appearance

Product Parameters

Item	Description
Operating voltage range	0~20kV
Rated current range	0~3600A
Product structure	Hot pressing edge sealed, hot pressing edge open, hot pressing edge with potting
Max. size	1600×800mm
Flame rating	UL94 V-0
Conductor material	T2 Cu 、 1060 AL
Conductor surface treatment	Passivation, tin plated, nickel plated or silver plated
Connection with the device	Embossing, riveted bronze columns, welded copper columns
Insulation resistance	20MΩ ~ ∞
Partial discharge	<10PC
Temperature rise	0 ~ 40K

Testing and Validation Capabilities

Item	Capability of Test	Test Equipment	Reference Standard	Type of Test
				Factory Examination	Type Test	Reliability Testing
Appearance	Yes	Non	/	*
Product Size	Yes	2.5D Optical Instrument	/	*	*
Insulation Resistance	Yes	Insulating Dielectric Strength Tester	GB/T 24343-2009 6	*	*
Dielectric Strength	Yes	Insulating Dielectric Strength Tester	GB/T 24344-2009 5.4	*	*
Partial Discharge	Yes	Partial Discharge Tester	GB/T 16935.1-2008	*	*
Temperature Rise Test	Yes	Programmable Frequency Converter	/	*	*
Distributed Inductance Test	Yes	Inductance Detector	/		*
Distributed Capacitance Test	Yes	Digital Electrical Bridge	/		*
Fastness Test	Yes	Electronic Universal Testing Machine	/		*
Torsion Test	Yes	Torque Wrench	/		*
Combustion Test	Outsourcing Test		UL 94		*
Low Temperature Test	Yes	Constant Temperature and Moisture Test Chamber	GB2423.01 2001			*
High-temperature Test	Yes	Constant Temperature and Moisture Test Chamber	GB2423.02 2001			*
Damp Heat Test	Yes	Constant Temperature and Moisture Test Chamber	GB2423.3 2006			*
High-low Temperature Cycling Test	Yes	Constant Temperature and Moisture Test Chamber	GB2423			*
Salt Spray Test	Yes	Salt Spray Test Chamber	GB2423.18-2000			*
Peel Strength Test	Outsourcing Test	/	GB/T 2790-1995			*

Selection of Insulation Materials
The low inductance of the laminated busbar could be ensured by using excellent insulating materials. In order to meet a series of requirements for the electric insulation or environment, customer could make an optimal option on the basis of actual application environment.

Characteristics of the Insulation Material

NOMEX	Polyvinyl Fluoride	Polyester Film	Polyimide
Excellent fire resistance and heat resistance; good chemical resistance; Favorable Mechanical Performance; Radiation resistance	Excellent electrical performance and steady chemical property; Low hygroscopicity and flame resistance.	Good electrical performance and chemical corrosion resistance; Low hygroscopicity and economical price.	Favorable heat resistance, excellent electrical performance; Radiation resistance and flame resistance.

Simulation Picture of the Laminated Busbar

Relationship between the Inductance of the Busbar and the Thickness of the Layer Insulation Material of the Busbar

Range of Application

Power Electronics	Industrial inverter, inverters, wind power, UPS systems high density power distribution cabinets, electric welding machines, test equipment, large server and medical equipment
Transportation	Electric locomotives, Railway trains, electromobile Electrically driven ships
Aerospace and space	Satellite systems, Airliner, Space Shuttle, Missile systems
Military	Submarines, Communication systems, Armored vehicles Radar systems
Communication	IT servers, super computers

Connection		Advantage	Disadvantage	Cost
Embossing		Good performance, high reliability	Technological limitations	Low
Riveted bronze columns		Easy to make and it can meet all kinds of design requirements	Moderate mechanical performance, it is not suitable for harsh working conditions	Moderate
Tin-brazed copper columns		Good mechanical performance, wide application range	/	High
Silver-brazed copper columns		Compared with tin-brazing, it has lower resistance and higher temperature resistance	High cost	Higher

Treatment Scheme of Busbar Terminal Connection Stress

Solution	Advantage	Disadvantage	Cost
Slot	Easy to make, moderate cushioning effect	Lower electric performance	Low
Local terminal heat treatment	Easy to make, good cushioning performance	If contact area is large, contact resistance will be increased and electrical performance will be decreased	Moderate
Copper woven belt connection	Good cushioning performance, the assembly deviation has compensated	The terminal is longer and the stray inductance has increased	High
Soft joint with copper foil	Good cushioning performance, the assembly unidirectional deviation has compensated	The terminal is longer and the stray inductance has increased	Highest

Markets & Applications

Dimensions	1107x176(mm)
Conductor layers	2
Rated voltage	1300VDC
Rated current	670A
Min. current density	2.1A /mm~2
Application fields	Wind Power
Packaging forms	Hot pressing edge-sealed
Product features	Local high current of terminals and low cost for embossing

Dimensions	450x418(mm)
Conductor layers	2
Rated voltage	1000VDC
Rated current	600A
Min. current density	2.6A /mm~2
Application fields	Photovoltaic power generation
Packaging forms	Hot pressing edge-sealed
Product features	Different installation surfaces for components; high space utilization rate; one-time lamination of Z-shape

Dimensions	2400x240(mm)
Conductor layers	2
Rated voltage	1200VDC
Rated current	2500A
Min. current density	1.67A /mm~2
Application fields	Ship
Packaging forms	Hot pressing edge with potting
Product features	Super long and super thick; the soft connection is designed to eliminate vibration stress; triple mechanical reinforcement through hot pressing, edge sealed and screws

Dimensions	620x510(mm)
Conductor layers	2
Rated voltage	1000VDC
Rated current	600A
Min. current density	1.6A /mm~2
Application fields	Photovoltaic power generation
Packaging forms	Hot pressing edge-sealed for capacitor modules
Product features	Busbar and capacitors constitute the modules, which have higher comprehensive performance and lower overall cost