Matches in DBpedia 2016-04 for { <http://dbpedia.org/resource/Commutator_(electric)> ?p ?o }
- Commutator_(electric) abstract "A commutator is a moving part of a rotary electrical switch in certain types of electric motors and electrical generators that periodically reverses the current direction between the rotor and the external circuit. It consists of a cylinder composed of multiple metal contact segments on the rotating armature of the machine. The commutator is one component of a motor; there are also two or more stationary electrical contacts called \"brushes\" made of a soft conductor like carbon that press against the commutator, making sliding contact with successive segments of the commutator as it rotates. The windings (coils of wire) on the armature are connected to the commutator segments.Commutators are used in direct current (DC) machines: dynamos (DC generators) and many DC motors as well as universal motors. In a motor the commutator applies electric current to the windings. By reversing the current direction in the rotating windings each half turn, a steady rotating force (torque) is produced. In a generator the commutator picks off the current generated in the windings, reversing the direction of the current with each half turn, serving as a mechanical rectifier to convert the alternating current from the windings to unidirectional direct current in the external load circuit. The first direct current commutator-type machine, the dynamo, was built by Hippolyte Pixii in 1832, based on a suggestion by André-Marie Ampère.Commutators are relatively inefficient, and also require periodic maintenance such as brush replacement. Therefore, commutated machines are declining in use, being replaced by alternating current (AC) machines, and in recent years by brushless DC motors which use semiconductor switches.".
- Commutator_(electric) thumbnail Universal_motor_commutator.jpg?width=300.
- Commutator_(electric) wikiPageExternalLink comtat.html.
- Commutator_(electric) wikiPageExternalLink AN5000-PD01.pdf.
- Commutator_(electric) wikiPageExternalLink AN5000-PD02.pdf.
- Commutator_(electric) wikiPageID "216794".
- Commutator_(electric) wikiPageLength "28141".
- Commutator_(electric) wikiPageOutDegree "82".
- Commutator_(electric) wikiPageRevisionID "707651700".
- Commutator_(electric) wikiPageWikiLink Alternating_current.
- Commutator_(electric) wikiPageWikiLink Alternator.
- Commutator_(electric) wikiPageWikiLink André-Marie_Ampère.
- Commutator_(electric) wikiPageWikiLink Armature_(electrical_engineering).
- Commutator_(electric) wikiPageWikiLink Brass.
- Commutator_(electric) wikiPageWikiLink Brush_(electric).
- Commutator_(electric) wikiPageWikiLink Brushless_DC_electric_motor.
- Commutator_(electric) wikiPageWikiLink Brushless_electric_motor.
- Commutator_(electric) wikiPageWikiLink Carbon.
- Commutator_(electric) wikiPageWikiLink Category:Electric_motors.
- Commutator_(electric) wikiPageWikiLink Category:Electrical_components.
- Commutator_(electric) wikiPageWikiLink Category:Electrical_power_connectors.
- Commutator_(electric) wikiPageWikiLink Category:Electrical_power_conversion.
- Commutator_(electric) wikiPageWikiLink Category:Inventions_by_Nikola_Tesla.
- Commutator_(electric) wikiPageWikiLink Copper.
- Commutator_(electric) wikiPageWikiLink DC_motor.
- Commutator_(electric) wikiPageWikiLink Direct_current.
- Commutator_(electric) wikiPageWikiLink Dovetail_joint.
- Commutator_(electric) wikiPageWikiLink Dynamo.
- Commutator_(electric) wikiPageWikiLink Ebonite.
- Commutator_(electric) wikiPageWikiLink Electric_arc.
- Commutator_(electric) wikiPageWikiLink Electric_current.
- Commutator_(electric) wikiPageWikiLink Electric_generator.
- Commutator_(electric) wikiPageWikiLink Electric_motor.
- Commutator_(electric) wikiPageWikiLink Electrical_contacts.
- Commutator_(electric) wikiPageWikiLink Electrical_resistance_and_conductance.
- Commutator_(electric) wikiPageWikiLink Electricity.
- Commutator_(electric) wikiPageWikiLink Electromagnetic_interference.
- Commutator_(electric) wikiPageWikiLink Elihu_Thomson.
- Commutator_(electric) wikiPageWikiLink Frank._B._Rae_&_Clarence._L._Healy.
- Commutator_(electric) wikiPageWikiLink Galinstan.
- Commutator_(electric) wikiPageWikiLink Henry_Jacobs.
- Commutator_(electric) wikiPageWikiLink Hippolyte_Pixii.
- Commutator_(electric) wikiPageWikiLink Induction_motor.
- Commutator_(electric) wikiPageWikiLink Ivory.
- Commutator_(electric) wikiPageWikiLink Mercury_(element).
- Commutator_(electric) wikiPageWikiLink Mercury_swivel_commutator.
- Commutator_(electric) wikiPageWikiLink Metal_lathe.
- Commutator_(electric) wikiPageWikiLink Mica.
- Commutator_(electric) wikiPageWikiLink Nikola_Tesla.
- Commutator_(electric) wikiPageWikiLink Rectifier.
- Commutator_(electric) wikiPageWikiLink Rotary_transformer.
- Commutator_(electric) wikiPageWikiLink Semiconductor.
- Commutator_(electric) wikiPageWikiLink Slip_ring.
- Commutator_(electric) wikiPageWikiLink Switch.
- Commutator_(electric) wikiPageWikiLink Synchronous_motor.
- Commutator_(electric) wikiPageWikiLink Thomas_E._Adams.
- Commutator_(electric) wikiPageWikiLink Torque.
- Commutator_(electric) wikiPageWikiLink Transistor.
- Commutator_(electric) wikiPageWikiLink Universal_motor.
- Commutator_(electric) wikiPageWikiLink File:Collecteur_commutateur_rotatif.png.
- Commutator_(electric) wikiPageWikiLink File:Commutator-of-DC-traction-motor-01.jpg.
- Commutator_(electric) wikiPageWikiLink File:Commutator_-_Advance_for_Self_Induction.png.
- Commutator_(electric) wikiPageWikiLink File:Commutator_-_Brush_Contact_Angle.png.
- Commutator_(electric) wikiPageWikiLink File:Commutator_-_Crocker-Wheeler_Carbon_Brush_Gear_(600dpi).png.
- Commutator_(electric) wikiPageWikiLink File:Commutator_-_Sectional_View.png.
- Commutator_(electric) wikiPageWikiLink File:Commutator_brush_types.png.
- Commutator_(electric) wikiPageWikiLink File:Dynamo_-_commutating_plane_definitions.jpg.
- Commutator_(electric) wikiPageWikiLink File:Dynamo_-_commutating_plane_field_distortion.svg.
- Commutator_(electric) wikiPageWikiLink File:Dynamo_-_commutating_plane_idealized.svg.
- Commutator_(electric) wikiPageWikiLink File:Dynamo_-_exaggerated_rotating_field_distortion.png.
- Commutator_(electric) wikiPageWikiLink File:Dynamo_-_iron_filings_show_distorted_field.png.
- Commutator_(electric) wikiPageWikiLink File:High-Current_Copper-Brush_Commutated_Dynamo.jpg.
- Commutator_(electric) wikiPageWikiLink File:Kommutator_animiert.gif.
- Commutator_(electric) wikiPageWikiLink File:Simplest_Possible_Commutator_-_Brushes.JPG.
- Commutator_(electric) wikiPageWikiLink File:Simplest_Possible_Commutator_-_Motor_Body.JPG.
- Commutator_(electric) wikiPageWikiLink File:Simplest_Possible_Commutator_-_Rotor_View.JPG.
- Commutator_(electric) wikiPageWikiLink File:Tiny_motor_windings_-_commutator_-_brushes_in_Zip_Zaps_toy_R-C_car.jpg.
- Commutator_(electric) wikiPageWikiLink File:Universal_motor_commutator.jpg.
- Commutator_(electric) wikiPageWikiLinkText "Commutator (electric)".
- Commutator_(electric) wikiPageWikiLinkText "Commutator".
- Commutator_(electric) wikiPageWikiLinkText "Commutator_(electric)#Laboratory_commutators".
- Commutator_(electric) wikiPageWikiLinkText "brush holder".
- Commutator_(electric) wikiPageWikiLinkText "commutated".
- Commutator_(electric) wikiPageWikiLinkText "commutating".
- Commutator_(electric) wikiPageWikiLinkText "commutation".
- Commutator_(electric) wikiPageWikiLinkText "commutator".
- Commutator_(electric) wikiPageWikiLinkText "commutators".
- Commutator_(electric) wikiPageWikiLinkText "electrical commutator".
- Commutator_(electric) wikiPageWikiLinkText "mechanical commutation".
- Commutator_(electric) wikiPageWikiLinkText "rotor".
- Commutator_(electric) wikiPageWikiLinkText "split rings".
- Commutator_(electric) wikiPageUsesTemplate Template:About.
- Commutator_(electric) wikiPageUsesTemplate Template:Clear.
- Commutator_(electric) wikiPageUsesTemplate Template:Electric_motor.
- Commutator_(electric) wikiPageUsesTemplate Template:Reflist.
- Commutator_(electric) wikiPageUsesTemplate Template:US_patent.
- Commutator_(electric) wikiPageUsesTemplate Template:Update.
- Commutator_(electric) subject Category:Electric_motors.
- Commutator_(electric) subject Category:Electrical_components.
- Commutator_(electric) subject Category:Electrical_power_connectors.