Statements (51)
| Predicate | Object |
|---|---|
| gptkbp:instanceOf |
electric motor
|
| gptkbp:advantage |
Constant speed under varying load
Not self-starting |
| gptkbp:canBe |
Single-phase
Three-phase Brushless Self-starting (with damper windings) With slip rings |
| gptkbp:canOperateAs |
Synchronous condenser
|
| gptkbp:controlledBy |
Excitation system
|
| gptkbp:hasApplication |
Constant speed drives
|
| gptkbp:hasComponent |
gptkb:Rotor
gptkb:Stator Field winding Armature winding |
| gptkbp:hasType |
Non-salient pole
Salient pole |
| https://www.w3.org/2000/01/rdf-schema#label |
Synchronous motor
|
| gptkbp:introducedIn |
Late 19th century
|
| gptkbp:inventedBy |
gptkb:Benjamin_G._Lamme
|
| gptkbp:operatesIn |
Synchronous speed
|
| gptkbp:requires |
DC excitation
External means to start |
| gptkbp:rotorSpeedEquals |
Stator magnetic field speed
|
| gptkbp:usedFor |
High-precision applications
Power factor improvement |
| gptkbp:usedIn |
Fans
Industrial applications Textile mills Mines HVAC systems Power factor correction Elevators Steel plants Electric clocks Cranes Sugar mills Compressors Pumps Water treatment plants Paper mills Machine tools Hoists Conveyor systems Cement mills Recording instruments Rolling mills Synchronous generators (when reversed) |
| gptkbp:uses |
Alternating current
|
| gptkbp:bfsParent |
gptkb:Stator
|
| gptkbp:bfsLayer |
6
|