Although the service life cost of the busbar system is usually lower than that of the traditional wiring method, the busbar system still bears a considerable cost compared to other structural elements of the water supply and drainage or HVAC system.
In addition, customized busbar equipment can bypass the busbar system to bypass the obstruction wiring, and the power distribution system will be more expensive. Therefore, it makes sense to specify busway before other elements of the scheme, such as plumbing and HVAC systems, as this will reduce the amount of custom equipment required, then make the busbar routing straighter, and significantly reduce the cost of the project.
BIM is an excellent tool for improving the accuracy of busbar roads. Ability to create a central BIM model at the start of the project, which then enables participants to update the data center plan to reflect changes. This makes it possible to provide a digital copy of the entire data center, and then more easily and accurately identify the obstacles that need to be arranged in order to plan a more efficient pathway.
The power distribution system of the data center needs to be flexibly planned to facilitate future expansion. This requirement is becoming increasingly important as the rate of change in data center careers continues to advance. For this reason, it is necessary to plan the busway for the potential future demand to ensure that the road can be easily modified to add the rated power capacity when the demand arises.
The road to confirm the busbar system depends largely on the location of the input power supply and the electrical equipment.
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Closed busway essentials – Wiener
Before the closed busway device, it should be ensured that the electrical shaft, the transformer and distribution room, the decoration project of the place through which the busway passes, and the heating and ventilation project are all completed to ensure that the closed busway is not polluted. The reserved holes and embedded parts of the floor and wall should be embedded and reserved according to the position required by the design.
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What are the specific accessories of the busway - Wiener
1. Connecting copper plates, insulating plates, and insulating piercing screws generally refer to tension spring brackets, bus connectors, connecting copper bars, and plug-in boxes. The bracket is used for buffer busbars to squeeze each other during connection, and the adapter is used for connection. The connecting copper bar is the local use of the box and the bus connection of the cabinet connection.
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220V DC Hazard in Busbar System – Wiener
The grounding of the DC system should include two conditions: the one-point grounding of the DC system and the two-point grounding of the DC system.
In the DC system, the positive and negative poles of DC are insulated from the ground, and they do not cause any harm when generating a ground current because there is no path to constitute a grounding current, but the ground of one pole is long.
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Introduction to several power supply systems – Wienal
At present, China has five power supply systems: IT, TT, TN-c, TN-c-s and TN-S. They have their own advantages and disadvantages, and we should choose sensitively according to the actual situation in life.
Five power supply systems
1.IT power supply system
In a ...
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Wiener busbar system PT disconnection treatment
The judgment of PT three-phase voltage loss (symmetrical disconnection) is fundamentally the same for each manufacturer, and it is judged according to the three-phase no voltage and the current of the line. The same is true for PT asymmetrical wire breakage. After analyzing the characteristics of PT wire breaking, the specific judgment of PT asymmetric wire breaking of different manufacturers ...
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Lighting power busway service life - Wienal
The system consists of a current box, a bus body, a branch plug and device accessories.
When the heat dissipation of conductive copper strip has been effectively improved, the contact between the copper strip and the inner wall of the tube is reduced, and the insulation resistance and anti-aging ability of the tube body are strengthened, so as to prolong the service life of the pipe body. The life of the tube far exceeds ...
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Low-voltage dense busway uses and applications
Densely insulated bus duct (hereinafter referred to as bus duct) can be communication three-phase three-wire, three-phase four-wire, three-phase five-wire system, frequency 50-60Hz, voltage to 400V, rated operating current of 250-5000A, mainly as a new type of power supply and distribution equipment in industrial and mining, enterprises and high-rise buildings. Mother with insertion day ...
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Classification of the use of different places in the busway - Vernal
(1) General bus duct
Non-flame retardant and non-fire-resistant bus duct used in general load power distribution. In the event of a fire during a short circuit, it will always incinerate to other connected busbars, which may briefly cause fire accidents.
(2) Flame retardant bus duct
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Frequently Asked Questions for the Installation of Closed Busbars – Vernal
1. The cable in and out of the bridge is not piping
2. The orientation of the bridge grounding and crossing is incorrect, and the special grounding line of the spray or painted bridge device is not equipped with a special disc gasket
3. The fireproof board of the electric well is not fixed, and the fireproof plugging is not perfect
4. The bridge is opened at will, and no standard accessories are used.
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Classification of busway – Vernal
According to the different uses of the bus duct, the bus groove is generally composed of the start bus slot, the straight bus slot (without partition jacks and jacks), the L-shaped straight (horizontal) curve bus, the Z-shaped straight (horizontal) offset bus, the T-shaped straight (horizontal) tee bus, the X-shaped straight (horizontal) four-way bus, the transformer...
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Bus voltage non-system equipment failure and solution - Wienal
In order to ensure the safe and economical operation of the power system and its power generation, supply and electrical equipment, power grid users require the voltage to operate in three ways: forward voltage regulation, reverse voltage regulation and constant voltage regulation. However, when the power grid is in practice, due to the change of active and reactive power output, the increase or decrease of electricity load, and the system wiring party...
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Wiener Electric's busbar system escorts the operation of textile machinery equipment
According to Wiener electrical engineer, the bus system is a process-assisted component, the main effect is to hook the switch on the adapter, and the adapter is then hooked on the copper bar, so that the full protection of the copper bar can be completed, and the safety factor is improved; The upper port of the switch can be connected without ...
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Busbar wiring problems of busbars - Vernal
Bus, transformer, generator set unit wiring. It has the characteristics of simple wiring, less switchgear, easy operation, suitable for expansion, and because there is no generator outlet voltage bus, the short-circuit current of the low-voltage side of the generator and the main transformer is reduced.
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Applications in the power of busbar systems – Vernal
The bus refers to the connection of voltage transformers and other voltage distribution devices at all levels in the substation, as well as the connection of electrical equipment such as transformers and corresponding distribution devices, and most of the bare wires or stranded wires with rectangular or circular cross-sections are selected.
Follow the lines ...
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Types of busbars, conditions for the scope of application - Wiener
1. Commonly used busbars, useful categories
Busbars are divided into hard busbars and soft busbars.
According to its different shapes, hard buses can be divided into: rectangular busbars, tubular busbars, trough busbars, diamond busbars and so on.
Rectangular busbars are the most commonly used busbars and are also busbars. According to its material ...
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The busway phase in the low-voltage incoming line - Wiener
According to the requirements of the relevant specifications, the placement method of the three-phase busbar can be roughly divided into two kinds according to the model of the low-voltage distribution cabinet and the different manufacturers: the horizontal placement and the placement of the down wire.
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How to choose the right busway products - Wiener
1. Selection of qualified products of regular enterprises:
The busway must be a product with the 3C necessary certification mark and style test report. China's busway factories are uneven, and most of the production methods are handicraft, mainly in well-off areas. When purchasing, it is necessary to thoroughly investigate the production of the factory ...
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Introduction to the classification of busway - Wiener
According to the different uses of the bus duct, the bus groove is generally composed of the start bus slot, the straight bus slot (no partition jack and jack), the L-shaped straight (horizontal) curve bus, the Z-type straight (horizontal) offset bus, the T-shaped straight (horizontal) tee bus, the X-type straight (horizontal) cross-way bus, the variable ...
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Composition of medium and low voltage bus protection - Wiener
On the medium and low voltage side of the main transformer, the bus tie switch and the original electromagnetic relay maintenance DC circuit of each outlet, the PLC is used for logical comparison to determine whether it is a fault in the maintenance area or a fault outside the area.
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What are the characteristics of the bus wiring method of the power system?
(1) Single bus wiring. Single bus wiring has the advantages of simplicity and clarity, less equipment, less investment, and convenient operation and expansion, but its reliability and activity are poor. When the bus or bus separator is faulty or overhauled, all power to the bus must be disconnected.
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