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ABC Cable (Aerial Bundled Cable) is a revolutionary solution designed for low- to medium-voltage overhead power distribution systems. Combining lightweight construction, enhanced safety, and cost-effectiveness, ABC Cable is widely used in both urban and rural settings where traditional bare conductors face limitations. This blog explores its features, applications, and best practices for selection, highlighting why ABC Cable is a superior choice for modern electrical infrastructure.
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Types of Overhead Cable—Aerial Bundled Cable
Aerial cables are widely used in power transmission at home and abroad.
Aerial bundled cable is widely used for temporary distribution of street lighting and secondary pole service cables.
ABC Twisted Aluminum XLPE insulated Aerial Bundle overhead Cable three cores 240mm2
Due to the insulating layer on the outer layer, the overhead insulated wire is less susceptible to oxidation and corrosion than the bare wire, and has stronger corrosion resistance, which can prolong the service life of the line.
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Ofrecemos todos modelos de cable aéreo electrico. ZMS proveedor proporciona cables de calidad con mejor precio en todo el mundo.
Low-Voltage Overhead Line Planning And Route Selection
When planning low-voltage overhead power lines, it is necessary to consider the adjustment and transformation of existing overhead power lines according to the development plan, various types of power consumption indicators and characteristics, and propose a power supply development plan.
Here are the steps to plan:
(1) Electricity Load Survey: The power load is the basis for planning. Multiply the total kilowattage of the electricity load calculated by each unit by the load and the coefficient equal to the actual power kilowatts. Then consider the development of the next five years, and then provide the selection data of the distribution transformer address.
(2) Selection of Transformer Capacity: The transformer should be installed in the load center, and the convenience of management and replacement should be considered.
The capacity of the transformer is expressed in terms of apparent power in kV·A.
According to the calculation of the electric load and the layout of the distribution point, the electric load value within the power supply range of the distribution point can be determined. The value divided by the power factor of 0.8 is the capacity of the required distribution transformer. When there is a drainage load, the capacity of the distribution transformer should be selected according to their maximum load.
How to conduct cable entry test
Fortunately, there are already standards for the quality of the cable itself in the standards of the wiring industry, such as TIA568B and ISO11801. After the customer completes the aerial bundled cable b231 standard selection, several 100m-long cables are selected for random testing according to a certain proportion of the cables sent by the engineering side. Due to the relatively large link density and total number of data centers, products purchased in batches are usually warehousing random inspections in most cases.
The sampling test ratio ranges from 2% to 20%. This has a lot to do with the total quantity of purchased products, Party A’s contract inspection ratio agreement and Party A’s attention to product quality. Of course, the customer is doing cable testing and must Use a test instrument that can support the aerial bundled cable (abc) b231 test standard in TIA568B, such as "DTX1800 cable analyzer" + "cable test adapter "LABA" pair + DTX-REFMOD module, after selecting a 100m twisted pair, you can complete the following steps Cable test before installation.
(1) Equipment calibration. Use the calibration module that comes with the instrument to calibrate the host and remote to eliminate errors between the test instruments.
(2) Connect the dedicated cable test adapter. Insert the LABAMN module on the host and remote respectively.
(3) Connect the abc cable under test
(4) Select the test standard. Select the dedicated test standard dedicated to twisted pair in the host, take 6A line as an example, select TIACat.6Acable100m(LA).
(5) Start the test. The instrument automatically completes all test items in accordance with the standard. Check the test results after 9 seconds to see if the twisted pair is qualified.
(6) Generate test reports. Because DTX series instruments support digital signal processing technology, through the inverse Fourier transform and transformation, the frequency domain signal is converted into time domain signal. After removing the strong interference signal at both ends of the 100m line from the time domain, it is converted into frequency domain curve again. . Thus, the standard test was accurately completed to identify the performance of the cable.
