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Publication time:2020-07-13 Page views:2652
Bus ducts, as important main lines for power distribution, are becoming increasingly common. CG BUSWAY: "Only by selecting high-quality bus ducts can we effectively ensure the safety of our lives and property." There are countless examples of serious accidents caused by the use of inferior bus ducts.
For example, there was a bread supplier in China that, due to the need for upgrading factory equipment, chose a certain brand of busway at a low price. However, serious safety hazards were hidden because the busway products of that brand were cut corners. Some time later, more than 30 production line machines were damaged due to circuit shorts, ultimately leading to a major safety incident where the entire factory was burned down.
The embankment that stretches for a thousand li can collapse due to an ant hole. No one wants a major safety accident to happen, and what we need to do is to prevent it in advance. CG BUSWAY reminds you: Only by choosing high-quality bus ducts can you truly ensure the safety of your life and property.
Next, CG BUSWAY will show you the chaos existing in the bus duct industry.
The surface of inferior bus ducts may look great, but their interior is actually appalling. All of this is a deceptive tactic played by low-quality manufacturers to cut costs and deceive consumers. However, this poses a real potential safety hazard for consumers.
The market for bus ducts varies greatly in quality, with some manufacturers often attracting customers with the "lowest price." CG BUSWAY can easily list some common issues when selecting bus ducts:
1
Copper on both ends, aluminum in the middle.
Aluminum has poorer conductivity than copper and is also cheaper than copper. Some manufacturers, in order to save costs, deceive customers by using aluminum bars instead of copper bars in the CG BUSWAY, leading to safety hazards in the electrical usage for customers.
2
The insulation material has poor quality.
Some manufacturers may use inferior insulation materials to wrap the conductor of busway, such as heat shrink tubes supported by low-quality materials or polyester tubes with low grades, resulting in insufficient insulation and poor heat resistance. The use of these materials can lead to overheating and short circuits in the busway, thereby affecting the overall service life of the busway.
3
Welding flexible connector.
When soldering is performed between soft links, it is more prone to oxidation, leading to heat generation, thereby affecting the conductivity and lifespan of the busway.
4
The welding process is poor.
Poor welding process of the busway can lead to fractures at the welding points of the casing, thereby affecting the mechanical strength and service life of the busway.
5
Cutting corners with tin plating.
Tinning is done to enhance the conductivity and oxidation resistance of the busbar conductor. A too thin tin-plating layer can make the surface of the busway prone to oxidation corrosion, thereby affecting its overall lifespan.
6
Brass instead of copper.
Some manufacturers may use T3 brass instead of T1 copper or T2 copper to save on production costs. However, T3 brass typically has lower purity and may not meet the conductivity requirements. This can lead to poor electrical performance in the busway, increased power consumption, and even short circuits due to excessive heat generation.
7
The shell is thin as a cicada's wing.
Some manufacturers use aluminum shells as thin as cicada wings for the busway, making the busway casing prone to deformation, low mechanical strength, and easy damage.
8
The connection structure is poor.
The connector connection structure is poor, which can easily lead to loose, fractured, and dampened connections at the busway joints, potentially resulting in the busway being burned due to short circuits. In the image below, the connector, after being dampened, corrodes the copper plate, deteriorating its conductivity and increasing power consumption.
9
Side plate without fins
Some manufacturers, in order to save costs, produce bus ducts with side plates that lack a finned structure, which is detrimental to the heat dissipation of the bus duct and can reduce its lifespan.
10
Reducing the Neutral Wire by Half
For the busway required in commercial electrical installations, the N (Neutral) wire is supposed to be at 100% of the phase wire. However, some businesses cut corners by reducing the N (Neutral) wire by half, deceiving consumers in order to save costs. Halving the N (Neutral) wire can lead to serious safety hazards. For instance, as shown in the diagram below, a mere 2 centimeters of substandard work resulted in a short circuit and the destruction of the entire section of busway during usage.
二、 How to choose a high-quality and practical busway?
Busway is a power distribution trunking system that replaces cables. Selecting a high-quality and practical busway is crucial for ensuring the safety and lifespan of the primary power distribution equipment.
CG BUSWAY reminds you to pay attention to the following four points in order to choose the right busway:
1
Focus on the conductors of CG BUSWAY
If copper is used for the conductors of CG BUSWAY, both T1 and T2 copper materials can be used, but remember not to use brass because of its poor conductivity and tendency to overheat.
Furthermore, purchased materials must be consistent inside and out, avoiding cases where the exterior is copper while the interior is aluminum or other materials.
In addition, we must also pay attention to excessive punching in the conductors and untreated surfaces, as these are actually practices of cutting corners by the manufacturers.
2
Pay attention to the shell material.
There are three common materials for the shell: aluminum, iron, and aluminum alloy. Some inferior manufacturers may use poor-quality aluminum sheets. Would you dare to use a deformable aluminum shell?
Also, pay attention to the mechanical strength of the side panel structure of the busway. If it's too soft, it's not safe.
3
Focus on Insulation Materials
When it comes to insulation materials, we can opt for DuPont insulation materials or high-quality domestic brands. While the price may vary, quality ensures an adequately safe environment for the CG BUSWAY.
It's preferable to have a side plate with a heat sink structure, which facilitates the dissipation of heat generated by eddy currents during the operation of the CG BUSWAY.
The following image showcases the thick shell and heat sink of the CG BUSWAY:
4
Pay attention to other accessories
In addition to the 3 main materials mentioned above, we also need to pay attention to the performance of the circuit breakers, support devices, protective devices, and other aspects of the plug-in box.
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