Engineering:Double-T armature

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Double-T armature - Shape of armature used in some motors and generators.[1] Two 'T' shapes extending from axis.

Its use in early Siemens dynamos caused a pulsing variable DC output which was improved upon by the Gramme dynamo.[1]

Another improvement is the three-pole armature ('triple-T' armature) as in this image :

Simplest Possible Commutator - Rotor View.JPG

See also

References

  1. ↑ 1.0 1.1 The invention of the electric motor 1856-1893



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