Induction Motor

InductionMotor is an electric transformer with a magnetic circuit separated by an air gap into two movable portions carrying the primary and secondary windings. Secondary currents are created by induction rather than being supplied by a dc exciter or other external power source. Types of induction motor are wound rotor and squirrel cage.

Induction motors have National Electric Manufacturers Association (NEMA) specifications.

Associations: ServicePoint

Subtypes: None

Model Names: None

Attributes:

Field Name

Field Type

Description

ConnectionConfiguration

text

Code indicating connection configuration of InductionMotor; domain values include Delta and Wye.

Efficiency

double

Efficiency, expressed in percentage.

GroundReactance

double

Ground reactance of InductionMotor in ohms.

GroundResistance

double

Ground resistance of InductionMotor in ohms.

Hyperlink

text

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

LockedRotorMultiplier

double

Higher current required to start motor in percentage.

LockedRotorPF

double

Power factor of locked rotor, expressed as less than one or as percentage.

MotorStartLimit

double

Motor start limit.

MotorStartLimitAmount

double

Motor start limit amount.

NEMALockedRotorRatio

double

NEMA locked rotor kVA/HP ratio.

NominalVoltage

long integer

Standard level of normal ratings for system voltage, expressed as line to line or line to neutral; domain values include 4.16 kV Grounded Y, 7.2 kV Grounded Y, etc.

PhaseDesignation

long integer

Code indicating phases present; domain values include A, AB, AC, etc.

PowerFactor

double

Power factor expressed as less than one or as percentage.

RatedHP

double

Rated horsepower.

ServicePointObjectID

long integer

ObjectID of ServicePoint.

SoftStartReactance

double

Soft start reactance, X.

SoftStartResistance

double

Soft start resistance, R.

SoftStartTap

double

Soft start tap.

SoftStartWinding

double

Soft start winding.

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