Can We Achieve 100% Efficiency? Renewable Components Explored

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In summary, electric space heaters are a horrible way of providing heating, but that was not what the OP asked. He wanted to know if there was a component that was completely renewable. There is not, and electric space heaters are not 100% efficient.
  • #1
FeDeX_LaTeX
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Hello;

Is there a 100% efficient component? One where there is no waste energy? Or something that is completely renewable such that all the energy wasted is put back into the component?
 
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  • #2
No such thing as a 100% efficienct component.

And remember
100% Utilisation =/= 100% Efficiency.
 
  • #3
You can convert electrical or mechanical energy to heat with 100% efficiency.
 
  • #4
Yes, DanielR implies, an electric space heater is 100% efficient.
 
  • #5
Hmm, very true I didn't think of that, being a mechanical engineer I immediately think of moving parts and heat usually = baaad.

Electric space heaters are a horrible way of providing heating though, as a system. But that wan't what the OP asked : /
 
  • #6
Transformers can have efficiencies of over 99%
 
  • #7
Isn't superconducting wire 100% efficient at transfering electric power?
 
  • #8
Yes, superconductors are 100% efficient at transferring power/storing electrical energy
but the op wants a component he probably doesn't mean a superconductor...:D
 
  • #9
Actually, although an electrical water heater could be thought of as being 100% efficient, the whole 'system' won't be.You will either have to be heating up the kettle (or what ever), which is a waste or you will be losing finite amounts of heat to the surroundings.

A superconductor may be lossless but producing superconductivity involves the input of energy into the refrigeration system - so even that, when viewing the system as a whole, does not provide you with 100% efficiency.

The only way to eliminate loss is to do nothing!
 
  • #10
Dadface said:
Transformers can have efficiencies of over 99%

Yes somewhere i studied that transformers have the highest efficiency known to date.
 
  • #11
sophiecentaur said:
Actually, although an electrical water heater could be thought of as being 100% efficient, the whole 'system' won't be.You will either have to be heating up the kettle (or what ever), which is a waste or you will be losing finite amounts of heat to the surroundings.

A superconductor may be lossless but producing superconductivity involves the input of energy into the refrigeration system - so even that, when viewing the system as a whole, does not provide you with 100% efficiency.

The only way to eliminate loss is to do nothing!

Thats the line I was thinking along, it's why I said 100% utilisation and 100% efficiency are different things.
 
  • #12
Yes: the term 'efficiency' actually refers to 'Useful' work / energy out.
When it comes to utilisation of energy, the human on a bicycle is not too bad, actually. Ine sarnie will take you a long way.
 

1. Can renewable energy sources really achieve 100% efficiency?

While it is theoretically possible for renewable energy sources to achieve 100% efficiency, it is highly unlikely in practice. This is because there will always be some energy lost in the conversion process, whether it is due to technical limitations or environmental factors such as weather conditions.

2. How is efficiency measured in renewable energy sources?

Efficiency in renewable energy sources is typically measured by the percentage of the energy that is converted into usable electricity. This is often referred to as the conversion efficiency. Other factors such as the availability of the energy source and the overall system design also play a role in determining the efficiency of renewable energy systems.

3. Which renewable energy sources have the highest efficiency rates?

The efficiency rates of renewable energy sources vary depending on the specific technology and system design. Generally, solar and wind energy have the highest efficiency rates among all renewable energy sources. However, other factors such as location and weather conditions also play a significant role in determining the overall efficiency of these sources.

4. Are there any challenges to achieving 100% efficiency in renewable energy?

Yes, there are several challenges that make achieving 100% efficiency in renewable energy difficult. These include technical limitations, weather variability, and the intermittent nature of some renewable energy sources. Additionally, the cost of implementing and maintaining highly efficient systems can also be a barrier.

5. What advancements are being made to improve the efficiency of renewable energy sources?

There are ongoing research and development efforts to improve the efficiency of renewable energy sources. Some of these advancements include the use of new materials and technologies, improved system designs, and better energy storage solutions. These advancements have the potential to significantly increase the efficiency of renewable energy sources in the future.

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