Need to help 1,2,3 questions,pls assist thanks

Power System Analysis and Design (MindTap Course List)
6th Edition
ISBN:9781305632134
Author:J. Duncan Glover, Thomas Overbye, Mulukutla S. Sarma
Publisher:J. Duncan Glover, Thomas Overbye, Mulukutla S. Sarma
Chapter14: Power Distribution
Section: Chapter Questions
Problem 14.20P
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Need to help 1,2,3 questions,pls assist thanks
Question 1 (Mandatory)
Which of the following is/are element(s) of an electrical grid? You may select more
than one option.
Lanscape
Distribution system
Transmission system
Human
Question 2 (Mandatory)
Electrical grids are AC systems because ...
AC systems are more safe than DC systems.
DC systems are complex.
DC systems are not stable.
transformers can be easily used to step up or down voltage levels.
Question 3 (Mandatory)
What is/are the main function(s) of a substation? You may select more than one
option.
Has transformers to step up or down voltage levels.
Generate electricity.
Distribute electricity to consumers.
Trade electricity.
Transcribed Image Text:Question 1 (Mandatory) Which of the following is/are element(s) of an electrical grid? You may select more than one option. Lanscape Distribution system Transmission system Human Question 2 (Mandatory) Electrical grids are AC systems because ... AC systems are more safe than DC systems. DC systems are complex. DC systems are not stable. transformers can be easily used to step up or down voltage levels. Question 3 (Mandatory) What is/are the main function(s) of a substation? You may select more than one option. Has transformers to step up or down voltage levels. Generate electricity. Distribute electricity to consumers. Trade electricity.
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