Rotating machine components: definition (structure)

Definition

A squirrel cage or brush-segment component is defined by:

  • a name (and a comment)
  • a model
  • specific characteristics depending on the model
  • one terminal (squirrel cage) / two terminals (brush-segment)

Name

The name permitting the identification of the component is given by the user when it is created by him.

A comment (optional) can be added to the name.

The name and the comment are displayed by default in the graphic zone close to the symbol.

Rotating machine components: description

Characteristic quantities necessary for the description of the rotating machine components, squirrel cage and brush-segment are presented in the table below.

Component Description
Physical characteristics Geometric characteristics
Squirrel cage
  • Resistance of the portion of end rings between two adjacent bars
  • Inductance of the portion of end rings between two adjacent bars
  • Number of bars
Brush-segment
  • On state resistance
  • Off state resistance
  • Commutator segment angular position
  • Brush opening angle
  • Commutator segment opening angle