Increasing Energy Demand Driving High-Voltage Cable Usageby Manish Kumar Digital Analyst
Electricity is, in many ways, the lifeblood of economies. From powering houses to industries, we need electricity for a lot of things. Across the world, the population continues to grow rapidly, as does the rate of industrialization and urbanization. This means more houses, offices, and factories, which, in turn, means a lot more electricity requirement in the future than present. Now, generating electricity is one thing, and transmitting it across vast distances is another, for which cables or wires are indispensable. To meet the growing need for electrical energy, a large number of power plants are being constructed and several existing ones renovated and integrated with advanced technology. The main purpose of equipping the power plants and supply grids with advanced technology is to improve the overall energy efficiency, and one of the physical manifestations of this advanced technology is high-voltage cables.
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As the term suggests, high-voltage cables are designed to carry currents at extremely high voltages, ranging from 72.5 kilovolts (kV) to more than 400 kV. Earlier, power cables were installed on high towers above the ground, but in recent times, underground and submarine (below the seabed) transmission of power has become popular across the world. Not only do the newer ways of transmission do away with the need to construct towers, but they also make cable and power theft difficult. Another reason for the rapid adoption of the underground and submarine power transmission methods is the growth in the number of offshore electricity generating projects. The need to reduce the consumption of fossil fuels in a conscious effort to save the environment is impelling governments across the globe to focus on renewable energy resources, such as the sun and wind.
An increasing number of wind and solar energy plants are being constructed off the coast of countries, right in the high seas. To efficiently transport the energy from the sea to the coast, high-voltage cables are increasingly being laid under the seabed. Governments of several countries are investing heavily in renewable electricity projects, which is directly leading to an increase in the usage of such cables. One of the biggest advantages such cables provide is reduced energy loss due to the presence of an additional layer of insulating material. Due to this reason, high-voltage cables are also being used to transform conventional grids into ‘smart’ grids.
Smart grids make the power supply more reliable by checking energy loss and providing for quicker restoration of supply after an outage. Further, they also help in lowering transmission and grid management costs, thereby making power cheaper for end users. Plus, these also allow customers to monitor their electricity usage in real time and see how much their monthly expenditure will be, which would further let them optimize their electricity usage and save energy in the long run. It is for these reasons that governments are promoting smart grids, which is helping the high voltage cables market prosper in regions such as North America, Europe, and Asia-Pacific.
Created on Nov 7th 2019 03:48. Viewed 328 times.