AB Cables represent a revolution in overhead (OH) power distribution. With its superior safety features, higher reliability, and more efficient performance, it outclasses the conventional bare conductor overhead distribution system. Not only does it decrease power losses, it also maintains consistent voltage regulation. Moreover, the ABC system proves its cost-effectiveness by lowering the cost of installation, maintenance, and operations.
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AB Cable’s unique design makes it an ideal choice for overhead power distribution in hard-to-reach areas, such as hilly regions, dense forests, and coastal areas. These cables can be installed without any requirement to cut or trim trees, making it an eco-friendly solution. They are equally effective in urban environments where houses and buildings are closely spaced. Their insulation prevents accidental electrocutions and allows for live line working. This not only reduces downtime but also ensures a safer working environment and quicker installation.
Compared to underground cables, which have a capital cost ratio as high as 20:1, the ABC system offers a significant advantage in terms of cost-effectiveness. The visibility of these cables allows for swift fault detection and repair. Moreover, they resist waterlogging damage, a common issue with underground cables.
ABC cables are engineered to withstand adverse weather conditions, including extreme heat, cold, and intense sunlight. Studies have shown that ABC cables experience 5 to 10 times fewer disturbances and faults compared to traditional open wire lines. The insulated ABC system ensures the safety of working on live cables and decreases the chances of short circuits, overvoltages, and transformer burnouts during storms. The system requires fewer hardware accessories, and with the addition of conductors for street lighting, it becomes even more cost-effective.
According to World Bank analysis, India suffers a 20% electricity loss due to Transmission and Distribution (T&D) inefficiencies, with power theft being a significant contributor. The ABC system, with its insulation feature, provides a solution to this problem by enhancing security and deterring power theft.
An insulated messenger system (also called the French system) consists of 3 black, weather-resistant XLPE or PE insulated phase conductors twisted along with an insulated messenger conductor made of a high strength Aluminum alloy which serves as a dual purpose earthing and/or neutral messenger wire.
These systems may also carry 1 or 2 service lines of insulated Aluminum conductor with a cross-section of 16mm² or 25mm² to be used for street lighting.
The phase and service conductors are of the same strength while the neutral conductor is made of a high strength Aluminum Alloy as it is strained to take the load of the entire cable system.
The construction and mechanical properties of this system originate from HD 626 Part 6 Section E.
The self-supporting cable system consists of 2 or 4 PE or XLPE black, weather-resistant insulated conductors. The mechanical strength of all the cables is equal such that, when strained, all the cables will equally bear the load of the system.
These systems may also carry 1 or 2 service lines of insulated Aluminum conductors with a cross-section of 16mm² or 25mm² to be used for street lighting.
The construction and mechanical properties of this system originate from HD 626 Part 4 Section F.
An uninsulated messenger system (also called the Finnish system) consists of 1-4 black, weather-resistant PE insulated phase conductors twisted around a messenger conductor made of a high-strength Aluminum alloy.
These systems may also carry 1 or 2 service lines of insulated Aluminum conductors with a cross-section of 16mm² or 25mm² to be used for street lighting.
The phase and service conductors are of the same strength while the neutral conductor is made of a high strength Aluminum Alloy as it is strained to take the load of the entire cable system.
The construction and mechanical properties of this system originate from HD 626 Part 5 Section D.
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