Feb 10, 2010 #1 medo79 Mechanical Joined Dec 29, 2009 Messages 53 Location GB Why is the hall sensor commonly used for commutation in brushless DC motor?
Feb 10, 2010 #2 Skogsgurra Electrical Joined Mar 31, 2003 Messages 11,815 Location SE An inductive pick up wouldn't produce enough signal at low speeds. An optical sensor has dirt issues. So a Hall sensor is a good solution, fast simple, reliable. Gunnar Englund http://www.gke.org-------------------------------------- 100 % recycled posting: Electrons, ideas, finger-tips have been used over and over again... Upvote 0 Downvote
An inductive pick up wouldn't produce enough signal at low speeds. An optical sensor has dirt issues. So a Hall sensor is a good solution, fast simple, reliable. Gunnar Englund http://www.gke.org-------------------------------------- 100 % recycled posting: Electrons, ideas, finger-tips have been used over and over again...
Feb 10, 2010 #3 itsmoked Electrical Joined Feb 18, 2005 Messages 19,114 Location US It also has no moving parts and so can take the millions of switching with no wear. Back to Skog's reliable. Keith Cress kcress - http://www.flaminsystems.com Upvote 0 Downvote
It also has no moving parts and so can take the millions of switching with no wear. Back to Skog's reliable. Keith Cress kcress - http://www.flaminsystems.com