Efficiency of Electric Motors: Difference between revisions

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=History=
=History=
*Brushless motors were first made in 1962. [https://www.kdedirect.com/blogs/news/brushless-vs-brushed-motors]
*Brushless motors were first made in 1962. [https://www.kdedirect.com/blogs/news/brushless-vs-brushed-motors]
=Links=
*Small electric motors are 10-70% efficient. BLDC are Bout 2x as efficient. Good report comparing BLDC to brushed at small scale of few grams - [http://www.dtic.mil/dtic/tr/fulltext/u2/a577582.pdf]

Revision as of 15:32, 26 April 2019

https://www.google.com/amp/s/news.ewmfg.com/blog/comparing-shaded-pole-psc-and-ec-motors%3fhs_amp=true

Shaded pole motors are only 30% efficient.

Other brushed ones are 60%.

Electrically commutated motors are 70-83% acc to this article.

History

  • Brushless motors were first made in 1962. [1]

Links

  • Small electric motors are 10-70% efficient. BLDC are Bout 2x as efficient. Good report comparing BLDC to brushed at small scale of few grams - [2]