Know More About The Use Of Aluminium Cable

The major metals used in the wiring of electrical equipment today copper and aluminium

. Both the metals have very different properties and hence are used for different purposes. Aluminium is a cheaper metal when compared with copper and that is why, it has gained more importance at present and is used widely. You may face some problems while choosing between them in different equipment. It will help to know about the main areas include the following

Voltage Cables:This mainly includes the low and medium voltage cables. The best possible solution consists of a combination of copper and aluminium as they both have different properties. For instance, the phase conductors are made of aluminium and the neutral conductor is made of copper. This combination enables a better flow of current and hence the final cable made is suited for handling harmonic pollution issues.

Transformers:The aluminium transformers can be used as the issue of winding space is not an acute issue in case of transformers. The aluminium conductors are stiffer than copper cables and the leakage gap in transformers requires a specific gap due to insulation, cooling and limiting the short circuit currents. The transformer made of aluminium is larger in size but lighter in weight as compared with the copper transformers. Therefore, depending on your requirements, an appropriate type of cable can be used

Busbars: The busbars applications require a high amount of conducting material and a smaller amount of insulating material. There may be some connectivity issues associated with the use of aluminium cable. But in order to keep the costs within control, aluminium is generally advisable for your use. Another way is to use both the metals, with aluminium being used for with a copper coating to enhance the aesthetic appeal of the equipment. As a precaution, steel core can be used with aluminium conductor to improve its strength

Plating and environmental concerns:Aluminium metal oxidizes when exposed to the environment. To control this, the bar conductors made of aluminium are plated with silver or tin to reduce the amount of oxidation. It serves a very important purpose of environment protection as tin plating is environment friendly. The silver corrosion leads to more heat generation and this may lead to over-heating or even short-circuiting in the worst case.

Hence, it can be seen that copper is efficiently used either alone or in combination with the copper metal, based on the users specifications. Apart from the above mentioned specific uses, aluminium is 100% recyclable, light in weight and is highly malleable, that makes it one of the preferred metals for use. At present, you will find it in almost every form be it electronics requiring moderate or high conductivity, in applications ranging from broadcasting, networking, medical devices or communication tools etc. So this gives you a plenty of options for which the metal can be put to use while taking care of your budget requirements at the same time.

by: Gkon

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