1 / 11

150 likes | 632 Views

SEE 3433 Elements of Armature Winding in DC Machines. Elements of an armature windings. A turn – two conductors connected to an end by an end connector. Elements of an armature windings. A coil – several turns connected in series. Elements of an armature windings.

Download Presentation
## SEE 3433 Elements of Armature Winding in DC Machines

**An Image/Link below is provided (as is) to download presentation**
Download Policy: Content on the Website is provided to you AS IS for your information and personal use and may not be sold / licensed / shared on other websites without getting consent from its author.
Content is provided to you AS IS for your information and personal use only.
Download presentation by click this link.
While downloading, if for some reason you are not able to download a presentation, the publisher may have deleted the file from their server.
During download, if you can't get a presentation, the file might be deleted by the publisher.

E N D

**Elements of an armature windings**A turn – two conductors connected to an end by an end connector**Elements of an armature windings**A coil – several turns connected in series**Elements of an armature windings**A winding – several coils connected in series**180o electrical**= 90o mech 360o electrical = 180o mech Elements of an armature windings The angle between centers of adjacent poles is 180o (electrical) N S S N**a**a b b Elements of an armature windings The angle between centers of adjacent poles is 180o (electrical) If coil sides are placed 180o electrical apart, the coil is said to be full-pitch N 180oelec S S N**Elements of an armature windings**The most common ways of connecting coils for armature windings: Lap winding Wave winding Ends of the coils are connected to the commutator bars In DC machines most of the coils are full-pitch.**Commutator bar**Elements of an armature windings Lap winding • One coil between adjacent commutator bars • 1/p of total coils are connected in series • No. of poles no. of brushes no. of parallel paths**Elements of an armature windings**Wave winding • p/2 coils in series between adjacent commutator bars • ½ of all coils between brushes • Regardless of no. of poles, there are always 2 parallel path • The distance between end coils (commutator pitch) is 2(C1)/p where C is the no. of commutator bars

More Related