 |
| |
t= tangential - Brush
dimension in direction of rotation of commutator or slipring.
a= axial
- Brush dimension parallel to the axix of rotation.
r= radial-Brush dimsnsion
perpendicular to the axis of rotation. |
| The
following table describes some general applications where Metal Graphite Brushes
are used:- |
|
| |
Different
specific resistance is calculated from measurements on a test sample as
follow |
|
| |
|
| |
| The
Brush current density of a given machine can be calculated as follows:- |
| |
|
