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.
With the rapid increase of electricity consumption in all walks of life, the traditional cable as a transmission wire can no longer meet the requirements in the high-current transportation system, and the parallel use of multiple cables has brought a lot of inconvenience to the on-site installation and construction connection. Plug-in bus duct as a new type of distribution wire came into being, compared with the traditional cable, in the high current transport fully reflects its superiority, together due to the selection of new technology, new technology, the contact resistance and temperature rise of the two heads of the bus duct and the junction of the branch port of the bus duct are greatly reduced, and the high-quality insulating materials are used in the bus duct, and then the safety and reliability of the bus duct are improved, so that the whole system is more and more perfect. Instrument transformers
The busway can be made into standard length segments, and there are plug-in junction boxes at intervals, or it can be made into a fed-type enclosed busbar without a junction box in the center. It brings great convenience to the power supply and installation and maintenance. In the power system, the bus connects the various current-carrying branch circuits in the distribution device and plays the role of accumulating, distributing and transmitting electric energy.
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Wiener DC power supply busway classification
In general, the DC power supply system is composed of a communication screen, a rectifier screen, and a DC screen. After selecting a dense bus duct, it is necessary to adjust the conventional DC power supply system: one or two large-capacity DC split-screens are installed in the communication room, and a large loop output is set in the DC split-screen; In the power room ...
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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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Busbar system in detail – Vernal
1. In the 60mm bus system, the square fuse type blocking switch can be directly hooked.
2. The 60mm bus system refers to the three-wire or four-wire bus spacing of 60mm.
3. Strip NH-fuse type load barrier switch with scale 00 ...
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The busway power system is a key component - Wiener
The busway is one of the more critical components in the power system, and it is an important part of connecting cables to important equipment such as substations, overhead lines, transformers, circuit breakers, etc. It is widely used in various power systems, mainly for the reliable operation of power systems.
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Difference Between Grounding Electrode and Grounding Busbar – Vernal
The grounding electrode is a discharge channel that connects current or voltage to the earth, and in order to reduce the grounding resistance, the electrodes that form the grounding grid are generally used in groups.
The grounding bus refers to the connecting wire that connects the current or voltage to the grounding grid, or the conductor that connects the grounding electrode into one.
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Advantages of cable tray installed in busway
At the time of the cable tray installation, the 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 plugging ...
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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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Uses and characteristics of busbar systems – Wienal
The bus system is a system with standardized bus distance, which is used in low-voltage power supply and distribution switchgear and control equipment, so that the bus can play the effect of conducting electricity and supporting electrical components.
The system is divided into 40, 60, 100 and 185mm ...
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Introduction to busbars, busway, and busbridges - Wiener
generatrix
In the field of electricity, the busbar can also be called the busbar, busbar, etc., which mostly refers to the busbar or power supply trunk in the high and low voltage cabinet, which is used to connect multiple electrical lines. The system will install various interface cards through the bus, and transmit various data to the devices connected to the interface cards.
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Protection of medium and low voltage busbars – Wienal
There are three types of maintenance commonly used in medium and low voltage bus systems:
(1) Transformer backup overcurrent maintenance (typical maintenance action time is 1.2s - 1.4s)
(2) Transformer voltage with feeder quick-break maintenance locking ...
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Application advantages of industrial busway - Wiener
1. It has a modern beauty;
2. Small dimensions;
3. Strong and light weight, simple operation;
4. The connection is very simple (just like connecting water pipes, connecting sections through tees, elbows and other joints to make them into a system;
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The essence of Wiener busbar technology
1. Closed busbar hooking technology
Circuit breakers and contactors can be hooked on the bus through the bus adapter, and fuse switches and other products are directly attached to the bus, so the bus bar plays a two-layer effect of conductive and fixed rotation.
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Advantages of pluggable busway
1. The plug-in bus duct has strong overload capacity
The overload capacity of the bus duct is strong, depending on the high working temperature of the insulation material it uses, and the working temperature of 105 is selected for the insulation data used in the bus duct, and the radiation cross-linked flame retardant winding tape with a working temperature of more than 140 °C has been developed.
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Analysis of the product characteristics of Wiener busway
Since the busway is made of copper bars or aluminum as conductors, it has a large current capacity and good electrical and mechanical properties. In addition, it is made of a metal trough as the shell, so it is non-flammable, safe and reliable, and has a long service life. Compared with traditional power distribution or ...
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Characteristics of power system bus wiring mode
(1) Single bus wiring. Single bus wiring has the advantages of simple and clear, less equipment, less investment, convenient operation and expansion, but its reliability and activity are poor. When the bus or bus divider is faulty or overhauled, it is necessary to disconnect all power to the bus.
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Bus voltage non-system equipment fault handling method - Wiener
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 voltage separation to operate in three ways: forward voltage regulation, reverse voltage regulation and constant voltage regulation. However, in the actual operation of the power grid, due to the change of active and reactive power output, the increase or decrease of the electrical load, the system wiring party...
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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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Features of Wiener busway
The Wiener busway mainly acts on the aluminum conductor, which has a large current capacity and good electrical and mechanical properties. In addition, it uses a metal trough as the shell, so it is non-flammable, safe and reliable, and has a long service life. Compared with traditional power distribution, the equipment occupies a significantly smaller area and has a beautiful appearance.
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Wiener Data Center Bus System
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 busbars ...
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Difference Between Busbar and Cable in Power System – Wiener
Busbar refers to a product made of copper (copper bar) and aluminum materials with high conductivity to transmit electric energy and have the ability to gather and distribute electricity. The main conductor used by the power station or substation to transmit electrical energy. Through it, the electrical energy output from generators, transformers or rectifiers is delivered to individual users.
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