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.
Distinguish:
1. The grounding bus refers to the connecting wire that connects the current or voltage to the grounding network, or the conductor that connects the grounding electrode into one.
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.
2. The grounding electrode has parallel and pen direct electrode, and a section of angle steel or flat steel buried in the ground. The grounding busbar ambiguity is straight.
For example, the grounding bus section of the concrete rod is at the bottom of the concrete rod, there is a bolt fixed with the connecting wire, and the lower end is welded with the grounding electrode, and it is partly straight, partly parallel, and has a zigzag part.
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Advantages of common DC bus - Wiener
1. Energy saving: The energy fed back when the motor brakes can be used, so it is more energy-saving, especially for oilfield kowtow machines, cranes and other lifting equipment.
2. The power element of the equipment is high: because the motor can feed back energy, the reactive power loss is small, so the power of the equipment ...
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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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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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Application of busway – Wiener
The busway system is an efficient power distribution device, especially suitable for the needs of high-rise buildings and large-scale factories for reasonable wiring. With the presentation of modern engineering equipment and equipment, the electricity consumption of all walks of life has increased rapidly, especially many high-rise buildings and large factories. Traditional cables serve as ...
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Development of the busbar trunk system – Wiener
(1) Air-type busway
Since the mid-50s of the last century, represented by Beijing Baizhifang Airport Electrical Appliance Factory, the conductive row has been supported in the shell with insulating liner and insulated by air medium. The phase-to-phase distance is 50mm.
(2) Secret ...
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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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The way in which the Wiener high-voltage busway is selected
In the selection, the following elements should be fully considered: fire protection specifications, insulation layer to flame retardant, good temperature resistance, high temperature is not easy to release harmful gases, structure type to avoid chimney effect, should give priority to the use of aggregate insulation layer bus duct, such as the use of air insulation type, it must be in the electric ...
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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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The advantages of busway are used in cable tray installations
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 plug-in bus...
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Power system bus wiring method - Vernal
(1) Single busbar. Single busbar, single bus segment, single bus plus bypass, and single bus segment plus bypass.
(2) Double busbar. Double-busbar, double-busbar segmentation, dual-busbar plus bypass, and dual-busbar segmentation plus bypass.
(3)3/2 wiring ...
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There are several main ways to wiring the Wiener bus
Bus line refers to a product made of copper (copper bar) and aluminum material with high conductivity to transmit electrical energy and have the ability to collect and distribute electricity. The main conductor used by the power station or substation to transmit electrical energy. Through it, the output of the generator, transformer or rectifier ...
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What is the difference between a Wiener busbar and a cable
The difference between busbar and cable
The busbar is used to gather current. Many power and power supply circuits are connected to the bus, through which the power is gathered and sent to each circuit. Therefore, the current carrying capacity of the bus bar is relatively large, and the current carrying capacity of the bus ...
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What are the common types of fuses - Wiener
Plug-in fuse: It is commonly used at the end of the line at the voltage level of 380V and below, as a short-circuit maintenance for distribution branch lines or electrical equipment.
Spiral fuse: The upper end of the melt is covered with a fuse indicator, once the melt is melted...
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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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Introduction to the advantages of busway - Wiener
The advantage of the busway is that its structural design is simple, it is composed of metal plates, which can connect the circuits together, so as to achieve the safe and reliable transmission of electric energy. In addition, its structural design can effectively assist in reducing the occurrence of short circuits, reducing heat loss, and can effectively ensure the power ...
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Fuse selection method - Wiener busbar
1. Select the model of the fuse according to the circuit requirements and device conditions. Circuits with small capacity are semi-enclosed or enclosed without fillers; The selection of large short-circuit current has a packing closed type; Semiconductor component maintenance selection of quick fuses.
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The importance of room power supply and busbar system – Vernal
In today's information society, the computer room is a very common equipment, so the most important thing in a computer room is the bus system, which is the center and skeleton of the power distribution of the entire computer room. Then a reasonable bus system will greatly improve the efficiency of the computer room. So how do you optimize ...
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The Wiener bus system is reliable
The bus refers to the connection of voltage distribution devices at all levels in the substation, as well as the connection of electrical equipment such as transformers and corresponding distribution devices. The role of the busbar is to gather, distribute and transmit electrical energy.
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Several faults of the Wiener bus system can be avoided
Cause of bus failure
1. The inner network of the bus insulator and the breaker sleeve caused by the dirty appearance
2. The voltage transformer installed on the bus and the current transformer between the bus and the circuit breaker fail
3. Reverse gate ...
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Some of the Wiener series models
05802 Insulator with female thread, bolt, M8, height 35mm
08824 Platen connector for PE- and N-busbar 01 932
08825 Snap-on fastener, for PE- and N-busbars 01126-01129 and 019 ...
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