How can I collect power from a magnetic field?

Click For Summary
SUMMARY

The discussion centers on the feasibility of harnessing power from a static magnetic field. Participants clarify that a static magnetic field does not possess inherent power and cannot be used to generate energy without an external source. The analogy of gravitational fields is used to illustrate that energy extraction requires a mechanism that utilizes an external energy source, such as solar or wind energy, rather than the magnetic field itself. The conversation emphasizes the importance of understanding the principles of energy conversion and the limitations of static magnetic fields.

PREREQUISITES
  • Basic understanding of electromagnetic principles
  • Knowledge of energy conversion mechanisms, specifically electric generators
  • Familiarity with renewable energy sources, such as solar and wind energy
  • Concept of static versus dynamic magnetic fields
NEXT STEPS
  • Research the principles of electric generators and how they convert mechanical energy to electrical energy
  • Explore the relationship between magnetic fields and energy extraction techniques
  • Learn about renewable energy systems, focusing on solar panel and wind turbine integration
  • Investigate the physics of magnetic fields, including static and dynamic properties
USEFUL FOR

This discussion is beneficial for physics enthusiasts, renewable energy engineers, and anyone interested in understanding the limitations and applications of magnetic fields in energy generation.

Atlantian
Messages
1
Reaction score
0
Im think of making a device that could harness power from a magnetic field, I hardly know any physics. Now my problem is how or what can I use or make to collect the energy from the magnetic field and turn it into power? and so it can run from a solar panel or wind energy?

please help looking for ideas if possible to make ty.

Atlantian.
 
Physics news on Phys.org
Atlantian said:
Im think of making a device that could harness power from a magnetic field, I hardly know any physics. Now my problem is how or what can I use or make to collect the energy from the magnetic field and turn it into power? and so it can run from a solar panel or wind energy?

please help looking for ideas if possible to make ty.

Atlantian.
Welcome to PF.

Your questions do not make much sense. What magnetic field? For example, an electric generator converts mechanical energy to electrical energy using a magnetic field: http://en.wikipedia.org/wiki/Electrical_generator

And what does this have to do with solar and wind energy?

Perhaps you could rephrase your questions?
 
Atlantian said:
Im think of making a device that could harness power from a magnetic field, I hardly know any physics. Now my problem is how or what can I use or make to collect the energy from the magnetic field and turn it into power? and so it can run from a solar panel or wind energy?

please help looking for ideas if possible to make ty.

Atlantian.

A static magnetic field doesn't have any power. You can of course take magnetic stuff which is a long way from a magnet, move it closer and extract the power, but once that's used up you have to find more stuff, and you can't put the original stuff back without supplying the energy again, regardless of the level of ingenuity involved in the mechanism.

For an analogy, consider the gravitational field of the Earth. You can't extract power from that either. You can of course let the sun move water to a high reservoir then let it fall under gravity through a hydroelectric plant, but then you are not extracting energy from the gravitational field but rather from the sun.
 

Similar threads

  • · Replies 2 ·
Replies
2
Views
3K
  • · Replies 42 ·
2
Replies
42
Views
4K
  • · Replies 5 ·
Replies
5
Views
3K
  • · Replies 3 ·
Replies
3
Views
2K
  • · Replies 17 ·
Replies
17
Views
3K
  • · Replies 14 ·
Replies
14
Views
2K
  • · Replies 8 ·
Replies
8
Views
3K
  • · Replies 9 ·
Replies
9
Views
2K
  • · Replies 13 ·
Replies
13
Views
2K
  • · Replies 31 ·
2
Replies
31
Views
5K