Compared with other air-type busway, Wiener closed busway has many similarities in appearance, and its difference lies mainly in the shell, the structure of the closed busway is more distinctive, which also makes its use have certain advantages. As long as it is in comparison, it can better distinguish its advantages, so the following is a comparison between the closed busway and the traditional one:
1. From the structural point of view, the copper bars of the traditional bus duct will be arranged and combined in accordance with the corresponding order, and there is no filler between each copper bar, which is completely transparent. If there is a foreign matter inside the copper bar, it may produce a certain danger, so this also confirms that its operating conditions are very harsh, especially after falling into the dust, if it is not sorted out in time, it will also produce serious fire.
2. The closed busway can be seen from its internal observation that its arrangement is very dense, that is, the so-called closed type, because there is no filling between the copper bars. It is able to achieve a smaller size, and it is a very popular product in busway today. In the production process, its requirements are relatively high, and at the same time, it plays a very large effect.
Compared with the traditional busway, the closed busway has more advantages, and it has also become the most used one of the busway products.
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Wiener busway plug-in box wiring method
The bus duct bracket has to be firmly installed, and the bus duct should be correctly placed according to the segment sequence number, phase sequence, number, direction and device mark, and when the sections are connected, the adjacent section of the bus duct should be aligned, and the conductor and shell of the bus duct should not accept mechanical stress after the connection.
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The common DC bus of the inverter system - Wiener
1. Three-phase AC power supply inlet
The power input of each inverter is connected in parallel on the same AC bus, and the power supply phase of the input of each inverter is consistent. In Figure 3, the circuit breaker QF is the incoming protection device for each inverter. LR is an incoming reactor, when multiple inverters are in the same ...
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Introduction to the Wiener data center bus system
Although the service life cost of the bus system is usually lower than that of the traditional wiring method, the bus system still bears a considerable cost compared with other structural elements of the water supply and drainage or HVAC system.
In addition, customized busbar equipment allows the busbar system to be routed around obstacles ...
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Wiener busway specification standard parameters
1. The standard scale of the bus duct
This specification regulates the terminology, skill requirements and test methods of the insulated bus trunk system (bus duct) and its plug-in feed box (hereinafter referred to as the feed box).
This specification specification applies to additional voltage AC to 660V...
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Types of corrosion of Wiener tubular busbars
Tubular bus is a new type of equipment that is widely used in our current days, and it itself has the characteristics of high current, outstanding insulation and wide range of application, so we don't seem to be too worried about its function and role when using it. But there is one thing that needs to be ...
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Busbar differential protection switching operation – Wienal
1. Whether the maintenance scale of the bus differential is confirmed, and whether the maintenance target is unchanged
Generally, differential maintenance includes bus differential maintenance, transformer differential maintenance, generator differential maintenance and line differential maintenance. The basic principle of completing differential maintenance is the same, that is, each side or each ...
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Low-voltage cabinet for capacitance compensation – Wienal
Capacitor compensation is indispensable in low-voltage cabinets, so what is the effect of capacitor compensation. The meaning of this is that it acts as a capacitor. Let's take a look at the principle of capacitor compensation first, when the capacitor is compensated, the capacitor and the load are connected in parallel, and the capacitor is like a bin. When the load increases, the power supply has internal resistance, so that ...
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Advantages of a shared DC bus system – Wienal
The shared DC bus system is the future development direction in the application of multi-drive motors, which makes reasonable use of the regenerative energy of the system together with better dynamic and static functions and speed regulation accuracy, eliminating a lot of braking units and braking resistors, and the energy efficiency ratio of the system has been greatly improved.
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Precautions for installation of Wiener busway
1. Before the bus duct installation, it should be ensured that the electrical shaft, substation and distribution room, the decoration project of the place through which the bus duct passes, and the heating and ventilation project are all completed to ensure that the bus duct 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. The functions of the busway are single ...
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Precautions for busway installation
1. Requirements for civil engineering before installation
1. The foundation, frame, reserved holes and embedded parts meet the planning requirements of electrical equipment.
2. After the construction of the roof and floor slab, there shall be no leakage.
3. After the indoor above-ground construction is completed, mark the leveling elevation on the wall on the ground.
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Features of busway power supply system - Wiener
1. Trunk power distribution system, simple wiring and reliable operation.
2. It is convenient to tap, and you can tap without cutting off the main power supply. Large power supply capacity up to 6300A current-carrying capacity.
3. High dielectric strength, strong overload, superior fire performance. Good heat dissipation performance, low impedance ...
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Considerations for purchasing a busbar system – Wiener
The bus system plays a very important role in the practice of construction, and for products such as the bus system, the relevant items can not be ignored, so that we can better use the practical value of this type of product. Generally speaking, when we are purchasing a bus system ...
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What are the modules of the Wiener bus system?
The modulus of the bus system is 40mm, 60ram, 100/185mm; The bus cross-section is rectangular, double "T" (i.e., "H" shape) and three "T" (i.e., 'state') shapes; The bus system can be three-wire, four-wire or five-wire, or even seven-wire, of course, it should be determined according to the needs ...
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How to solve the fault of the busway
If there is a problem in the bus duct of the double bus wiring, it is necessary to pay attention to the operation mode of bus maintenance in the process of dealing with the problem, and if necessary, the bus maintenance should be stopped for a short time. After the bus voltage disappears, the dispatcher should immediately swing the switch (including the bus tie switch) that may call, and notify the operation team to ...
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Uses and characteristics of detached closed busbar - Wiener
Closing busbars include out-of-phase shut-off buss, co-box (including co-box phase isolation) shut-off busbars and cable busbars, which are used for power plants, substations, industrial and civil power supply leads.
Phase-off busbar
1. Usefulness
Out of phase ...
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Technical requirements for busway system – Wiener busbar
1. The conductor of the bus bar is a high conductivity TMY electrical hard copper bar rolled by T2 electrolytic copper, and the purity of copper must be ≥ 99.95%, and copper-aluminum alloy or other mixed alloy non-pure copper conductor materials shall not be used, and the copper plate is tin plated on the full length.
2. The raw material of the neutral wire and the phase wire in the bus system is the same.
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Strip Switch vs. Disconnector Circuit Breaker Comparison – Wiener
Bar switches are different from regular switches. They are critical to ensuring effectiveness. For example, when the current exceeds a certain amount of time, they cause heat to be generated, allowing the fuse to switch the fuse to further assist in breaking the circuit. Therefore, as a kind of current protection device, they can achieve ...
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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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Advantages of installing cable trays with busway – Wiener
When it comes to cable tray installation, wiring is not very convenient. This phenomenon can be avoided by using busway. The 5 advantages of using busway in the cable tray device are as follows:
1. Convenient connection of bus duct: the so-called plug-in bus duct, fireproof bridge is the way it uses plugged in.
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Characteristics of single bus wiring in the switchgear - Wiener
In power distribution equipment such as voltage distribution cabinets and switchgear at all levels of power plants and substations, the conductors connected between large electrical equipment such as generators and transformers and various electrical equipment are called busbars. Busbars, also known as busbars, are used to gather, distribute, and transmit electrical energy. The connection methods of the bus bar are ...
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