Stator

The stationary part of a rotating electrical machine. The stator may be either the field or the armature, depending on the design of the machine.

The photo shows the air-cooled SGen5-1000A generator at Charlotte
CCPP in North Carolina, USA. Copyright Siemens AG, Munich/Berlin

The stator usually contains the primary winding and is made up of laminations with a large hole in the centre in which the rotor can turn. The windings for the coils are inserted into slots in the stator.

Form Wound Coil

A type of coil in which each winding is individually formed and placed into the stator slot.

Pole Piece

The shaped magnetic material upon which the stator windings of motors and generators are mounted or wound.

Random Wound

The stator windings are wound onto a bobbin without a defined structure to the windings. The standard type of stator winding used in motors under 1,000 volts. The coils are random wound with round wire as opposed to flat form wound coils.

See also: Armature, Electric Motor Windings, Electric Motors, Pole Piece.

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Subjects: Electronics Mechanical Engineering


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