Synchronous Motor

Synchronous motors transform electric power from an alternating current system into mechanical power. The armature winding, usually on the stator, is the current carrying winding. The configuration of the rotor determines the type of synchronous motor and usually employs dc-excited field windings. Synchronous motors are built for operating at a power factor or 1.0 or 0.8 lead. Reactance is measured in a steady-state condition in which a circuit’s values remain essentially constant, occurring after all initial transients or fluctuating conditions have settled down.

Associations: ServicePoint

Subtypes: None

Model Names: SYNCHRONOUSMOTOR

Attributes:

Field Name

Field Type

Description

ArmatureResistance

double

Resistance of armature winding in ohms.

ConnectionConfiguration

text

Code indicating connection configuration of SynchronousMotor.

DAxisSynchronousReactance

double

Ratio of reactive armature voltage to direct axis reactance under steady-state conditions.

QAxisSynchronousReactance

double

Ratio of reactive armature voltage to quadrature axis reactance under steady-state conditions.

Hyperlink

text

Used to store a hyperlink path via standard Esri hyperlinking functionality.

SaturationCoefficient10

double

Saturation coefficient at 1.0 per unit (PU) noterminal voltage.

SaturationCoefficient12

double

Saturation coefficient at 1.2 PU no-terminal voltage.

ServicePointObjectID

long integer

ObjectID of ServicePoint.

SubtransientReactance

double

Subtransient reactance in ohms.

TransientReactance

double

Transient reactance in ohms.

ZeroSequenceReactance

double

Ratio of in-phase armature voltage to negative sequence reactance.

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