Work needed to rotate armature of a generator

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    Generator Rotate Work
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SUMMARY

The work required to rotate the armature of a generator is equal to the electrical power output plus additional energy to compensate for losses such as friction in bearings and magnet inefficiencies. Understanding this relationship is crucial for optimizing generator performance. The discussion highlights the need for specific conditions to accurately calculate the work involved and the strength of permanent magnets in household generators. Background knowledge on Lenz's Law and electric generators is recommended for deeper insights.

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  • Understanding of electrical power generation principles
  • Familiarity with Lenz's Law
  • Knowledge of electric generator mechanics
  • Basic concepts of energy loss in mechanical systems
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  • Research "calculating work in electric generators" for detailed equations
  • Study "permanent magnet strength in household generators" for practical applications
  • Explore "friction losses in electric motors" to understand efficiency improvements
  • Learn about "energy conversion in electric machines" for broader context
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Engineers, electrical technicians, and anyone involved in the design or maintenance of generators, particularly those focusing on efficiency and performance optimization.

athul jyothis
Pls give me an eq relating work needed to rotate armature of generated
 
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Hi athul. Welcome to the forum.

Going to need a little more context. Work needed to rotate an armature under what conditions?

Generically, the work needed to turn the generator will be equal to the electrical power you get out, plus losses. That is, you have to work at least as hard as the energy you get out, plus a little more to account for the friction in the bearings, the losses in the magnets, etc.

You might benefit from some more background reading.
https://en.wikipedia.org/wiki/Lenz's_law
https://en.wikipedia.org/wiki/Electric_generator
https://en.wikipedia.org/wiki/Electric_motor
 
Thanks for the reply ... I would like to know what will be the strength of permanent magnet used in a household generator
 
Is there any eq to calculate that
 
athul jyothis said:
I would like to know what will be the strength of permanent magnet used in a household generator

what household generator ? not too many houses have their own generator, mine doesn't
give a link to an example

Dave
 

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