Advantages of busbar systems over wiring

• Busbar systems are compact in design. The compact design is ensured by the arrangement of reliably insulated and tightly compressed flat wires inside the housing. Bus systems require less space than cable systems, especially for loads of several hundred or thousands of amperes.

• The densely compressed tires, enclosed in a metal housing with a well-developed surface, are able to conduct hot waste well to and from the walls of the fence to the environment. Cooling better than wired systems.

• The modular design of bus systems allows it to be used in buildings or structures of any type and any configuration, but unlike cable systems, bus systems can be easily changed, supplemented or transferred to another room, construction and installation anew without special capital costs. The modular design of bus systems is characterized by flexibility and mobility.

• The rail systems are characterized by a modern and aesthetic appearance.

• Tire systems are non-flammable, non-flammable and do not emit harmful gases (halogen, etc.) during a fire. Cable systems can catch fire and contribute to the spread of fires in buildings.

• Busbar systems have no traction effect in case of fires due to the compact design, or built-in internal fire barriers, which is especially necessary in high-rise buildings and shopping centers.

• The installation availability of bus systems is significantly higher than that of cable systems. This provides significantly lower installation costs and less time to use the work rail during installation.

• At the design stage of a building using bus systems:

  • • a) The size of cable trays,

  • • b) The number of electrical panels decreases, it becomes possible to connect loads (from mechanisms, to floors, etc.) directly from distribution boxes,

  • • c) Reducing the size of main switchboards,

  • • d) Number reduces circuit breakers,

  • • e) many accessories used for cable systems,

  • • f) Development is simplified and reduced project development time.

  • g) Automated additional design project, except for visibility, specifies the composition of system elements and project specification.

• The rigid structure of the system elements provides increased short-circuit resistance compared to cable systems (for example, for a 3000A busbar: 264 kA peak and 120 kA thermal short-circuit current).

• The minimum distance between the axes of the conductors reduces inductive resistance, and a flat, relatively thin bus contributes to the optimal distribution of the current density in it (the displacement effect of large current loads to the surface, so inherent in cable systems, is minimal), which reduces active resistance... As a result of the low values ​​of resistance and impedance, the voltage loss for the same length in busbar systems is significant. Lower than in cable systems.

• Low resistance values ​​in bus systems contribute to reducing active energy losses and limiting the growth of reactive energy in operation, compared to cable systems.

• The compact design and steel housing provide significantly more low end electromagnetic field around bus system vs cable system. Heavy-duty busbar systems (4000A — 5000A) can be safely installed near data cables and not create electromagnetic interference in the information system.

• As a rule, at particularly high current, several cables are used for the same phase connection, where the cables can differ both in length and in location and connection. Bus systems exclude the difference in length between the wires, have exact parameters of active and inductive resistance and provide an equal, as much as possible, load on each phase. Cable systems cannot be strictly parameterized.

• With the bus system, electricity is distributed easily, economically and safely along the line, with the help of distribution boxes, to the places where it is needed.The location of these junction boxes can be easily and safely changed if needed in the future. In addition, there is always an opportunity to increase the number of junction boxes.

• Busbar systems consist of fully certified standard elements, where everything is intended to eliminate human error... For example, distribution boxes or plugs are tested and certified parts of the busbar system and meet all safety requirements. The reliability of the connection of all distribution boxes is standardized and regardless of the installation... The safety of the cable connections depends on the experience of the installer.

• Bus systems cannot be damaged by various rodents, which is prevented by a steel casing, unlike unprotected cable systems.

OUTPUT: Considering the above facts, bus ducts have significant advantages over cables, such as: improved electrical characteristics, simplified and at the same time reliable power distribution schemes, minimal space volumes, quick installation and reduced installation time, flexibility and transformability of the system, various types of high degree of protection, ease of maintenance and energy saving in operation.

When comparing the total estimated cost of a power supply system with wiring and using the bus duct of the same user, the cost of the installation and materials of the bus duct system not only does not exceed the cost of the wiring, but in some cases it is much lower and as consider the time factor, bus channels are simply irreplaceable.