АНГЛ Задание 3. Complete the sentences using the correct variant:
1. A substation serves
a) to consume energy b) to distribute energy c) to convert energy

2. A substation feeds consumers
a) with various load characteristics b) with similar load characteristics

3. The lines of power plants are connected
a) to the busbars b) to the switchgears

4. A substation comprises
a) The main elements b) the main and auxiliary elements

5. Flexible construction is
a) an advantage b) a disadvantage

1. A substation serves to distribute energy (b). A substation is an important component of the power grid that is responsible for delivering electricity from power plants to consumers. It receives high-voltage electricity from power plants and transforms it into lower voltages that can be distributed to various locations. This is done through the use of transformers, circuit breakers, and other equipment present in the substation.

2. A substation feeds consumers with similar load characteristics (b). Load characteristics refer to the patterns and demands for electricity from different types of consumers. A substation needs to ensure that it can meet the specific load requirements of the consumers it serves. By providing electricity with similar load characteristics, the substation can efficiently supply power to residential areas, commercial buildings, and other consumers.

3. The lines of power plants are connected to the busbars (a). Power plants generate electricity, and the lines that carry this electricity are connected to the busbars in a substation. A busbar is a metal bar or conductor that serves as a common connection point for electrical circuits. By connecting the lines of power plants to the busbars, the electricity can be efficiently distributed to different areas or fed into transformers for further voltage regulation.

4. A substation comprises the main and auxiliary elements (b). A substation consists of both main elements and auxiliary elements. The main elements include transformers, circuit breakers, busbars, and other essential equipment that are necessary for the distribution of electricity. The auxiliary elements, on the other hand, are additional equipment that supports the operation and maintenance of the substation, such as control systems, protection relays, and monitoring devices.

5. Flexible construction is an advantage (a). Flexible construction refers to the ability to adapt or modify the substation's layout and equipment to meet changing requirements. This is considered an advantage because it allows for easier expansion, modification, or upgrading of the substation as the demand for electricity changes. It also contributes to the overall reliability and efficiency of the power grid by enabling better integration of renewable energy sources, implementation of smart grid technologies, and improved maintenance practices.