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Energy conversion: from primary sources to consumers

Energy conversion: from primary sources to consumers

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Energy storage is an essential part of any physical process, because without storage all events would occur simultaneously; it is an essential enabling technology in the management of energy. An electrical power system is an interconnected network designed for electrical energy generation and delivery from producers to consumers. It consists of generating plants that produce electrical energy, high-voltage transmission lines that carry energy from distant sources to demand centres and distribution lines that connect individual consumers to these centres. The Central Electricity Generation Board (CEGB) standardised the United Kingdom electricity supply and established the first synchronised AC grid, running at 132 kV and 50 Hz. Electric power grids of industrialised countries had become highly interconnected for economic and reliability reasons, with thousands of 'central' generation power stations delivering power to major load centres via high capacity power lines. Interconnection allows energy to be purchased from large, efficient sources. It also allows regions to have access to cheap bulk energy by receiving power from different sources. The relatively low utilisation of these peaking generators (generally gas turbines are used due to their relatively lower capital cost and faster start-up times), together with the necessary redundancy in the electricity grid, resulted in high costs to the electricity companies, which were passed on consumers in the form of increased tariffs.

Chapter Contents:

  • 1.1 Primary energy sources
  • 1.2 Convenient connection between energy producers and consumers

Inspec keywords: electricity supply industry; power generation economics; power transmission lines; power generation reliability; power distribution economics; costing; power transmission economics; power grids; power transmission reliability; power distribution reliability; tariffs; power distribution lines; power system interconnection

Other keywords: electric power grids; central electricity generation board; central generation power stations; AC grid; energy storage; demand centres; electrical power system; United Kingdom electricity supply; primary source; high-voltage transmission line; distribution lines; system reliability; interconnected network; electricity costing; electrical energy generation; energy management system; high capacity power lines; electricity companies; tariff; energy conversion

Subjects: Distribution networks; Power transmission lines and cables; Power system management, operation and economics; Reliability

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