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Author Question: Compare a grid-tie, battery-backed system with one that is not battery backed-up. What are the ... (Read 103 times)

rl

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on: Jul 26, 2018
Compare a grid-tie, battery-backed system with one that is not battery backed-up. What are the advantages and disadvantages of each?
 
  What will be an ideal response?

Question 2

Describe how a large concentrator array for a solar power tower converts sunlight to electricity.
 
  What will be an ideal response?


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Viet Thy

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Reply #1 on: Jul 26, 2018
Answer to Question 1

Both systems can reduce the electrical requirement at a home or business. A grid-tie battery-backed system can have autonomy from the grid in case it goes down, which can provide emergency power; a system without battery backup cannot. The battery backed up system requires higher initial expense, ongoing maintenance costs, and a dry space that is well ventilated for batteries, whereas this expanse is avoided in a non-backed up system.

Answer to Question 2

A receiver at the top of a tower is heated by heliostats which direct sunlight to the receiver. A heat transfer fluid is used to produce steam, driving a steam turbine and generator. Hot, molten salt can be stored to allow electricity to be generated when there is no sunlight available.


rl

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Reply #2 on: Jul 26, 2018
Both answers were spot on, thank you once again


Viet Thy

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Reply #3 on: Jul 26, 2018
Great! Please up vote :D


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