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Unit 7
ELECTRIC POWER TRANSMISSION
Tuning-in
Electric power transmission is the second process in the delivery of electricity to consumers. Electrical energy is generated by power plants and is then sold as a commodity to end consumers by retailers. The electric energy transmission and electricity distribution networks allow the delivery of the generated electricity to consumers. The rapid industrialization in the 20th century made electrical transmission lines and grids a critical part of the economic infrastructure in most industrialized nations.
Reading
Task 1. Study the diagram below of an electrical system. Answer the questions using the diagram and your own knowledge of engineering.
1. What are the processes in the delivery of electricity to consumers?
2. Name the key elementsof the electrical system.
3. What is the difference between electric power transmission and distribution?
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