Statements (59)
| Predicate | Object |
|---|---|
| gptkbp:instanceOf |
electric motor
|
| gptkbp:advantage |
Low cost
Low maintenance Rugged construction Low starting torque (squirrel cage) Poor speed control Speed drops with load |
| gptkbp:alsoKnownAs |
Asynchronous motor
|
| gptkbp:compatibleWith |
Brushes
Permanent magnets |
| gptkbp:coolingMethods |
Air cooled
Water cooled |
| gptkbp:efficiencyRange |
60% to 96%
|
| https://www.w3.org/2000/01/rdf-schema#label |
Induction motor
|
| gptkbp:introducedIn |
1887
|
| gptkbp:inventedBy |
gptkb:Nikola_Tesla
|
| gptkbp:mainParts |
gptkb:Rotor
gptkb:Stator Fan Frame Bearings End bells Terminal box |
| gptkbp:operates |
Electromagnetic induction
|
| gptkbp:period |
Single-phase
Three-phase |
| gptkbp:practicedWorldwide |
Yes
|
| gptkbp:protectionClasses |
gptkb:IP44
IP55 |
| gptkbp:rotorConfiguration |
Squirrel cage
Wound rotor |
| gptkbp:slipDefinition |
Difference between synchronous speed and rotor speed
|
| gptkbp:slipTypicalRange |
1% to 5%
|
| gptkbp:speedControlMethods |
Frequency control
Pole changing Rotor resistance control Voltage control |
| gptkbp:standardFrequencies |
60 Hz
50 Hz |
| gptkbp:standardVoltages |
110V
220V 440V 380V 415V |
| gptkbp:startingMethods |
Auto-transformer
Direct-on-line Rotor resistance Star-delta |
| gptkbp:type |
Slip ring induction motor
Squirrel cage induction motor |
| gptkbp:usedIn |
Fans
HVAC systems Household appliances Compressors Pumps Industrial drives Conveyors |
| gptkbp:bfsParent |
gptkb:Stator
|
| gptkbp:bfsLayer |
6
|