ACTIVITY 8: BASIC POWER TRANSMISSION EQUIPMENT

1. Alternating Current is an ______________ in which the direction of the current flow is reversed or alternated.

2. Direct Current is an electric current that ____________ as contrasted with alternating current.

3. Corona is an ___________ of the air near high voltage conductors into charged particles.

4. Current is the flow of __________ through a conductor.

5. What is the full meaning of E.M.F?

6. Electric ________ is composed of electricity consumers, such as residences, businesses, and government centers that use electricity

7. Electric ____________ is the process by which large amounts of electricity produced are transported over long distances for eventual use by consumers.

8. Energy is the amount of __________ that can be done by electricity, typically measured in ____________.

9.  Generation is the ____________ , through fossil fuels, wind turbines, solar panels, dams and other technologies used to generate electricity.

10. Power generation process starts from the ________ plants. 

11. Power is the  ______ at which electricity does work. It is measured in ___________.

12. What do we measure in volts?

13. 1MW is ____________________

14. Conductors are ________ used for carrying electric current.

15. Insulators are used to ___________electrical conductors.

16. State the three major components of power transmission.

17. Substation is a part of an electrical transmission system that transforms _________ from high to low, or the reverse.

18. A line that carries electricity at voltages of 69kV or greater and is used to transmit electric power over relatively long distances is called _____________.

19. Figure 1, below is a picture of ____________

Figure 1.

20. What wires are used primarily for protections from lightning strikes and corresponding surges?

21. What are transmission structures?

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