Motor Testing Reference

Test methods

Test methods applied to electrical power equipment at acceptance and in maintenance, each with its purpose, principle and the standards that govern it.

Test methods per groupInsulation: 9; Resistance: 8; Rotating: 4; Control: 1; Inspection: 1; Protection: 1; Ratio: 1; System: 1Insulation9Resistance8Rotating4Control1Inspection1Protection1Ratio1System1
Test methods per group. Entries in this family grouped by the equipment or system they apply to. Each bar links to its group below.
Test methods per group: entries per row.
CategoryCount
Insulation9
Resistance8
Rotating4
Control1
Inspection1
Protection1
Ratio1
System1

Control

  1. Control and functional verification

    Control and Functional Verification is specified for AC induction motors and generators in acceptance testing at clause 7.15.1.B.12 of ANSI/NETA ATS-2025. Value: AC induction motors and generators.

Inspection

  1. Visual and mechanical inspection

    Visual and Mechanical Inspection is specified for engine-generator emergency systems in acceptance testing at clause 7.22.1.A of ANSI/NETA ATS-2025. Value: engine-generator emergency systems.

Insulation

  1. Dielectric withstand

    Dielectric Withstand is specified for AC induction motors and generators in acceptance testing at clause 7.15.1.B.3 of ANSI/NETA ATS-2025. Value: AC induction motors and generators.

  2. Insulated Bearing Insulation Resistance

    Insulated Bearing Insulation Resistance is addressed in ANSI/NETA ATS-2025.

  3. Insulation power factor dissipation factor

    Insulation Power Factor Dissipation Factor is specified for AC induction motors and generators in acceptance testing at clause 7.15.1.B.5 of ANSI/NETA ATS-2025. Value: AC induction motors and generators.

  4. Insulation resistance

    Insulation Resistance is specified for engine-generator emergency systems in acceptance testing at clause 7.22.1.B.1 of ANSI/NETA ATS-2025. Value: engine-generator emergency systems.

  5. Partial discharge offline

    Partial Discharge Offline is specified for AC induction motors and generators in acceptance testing at clause 7.15.1.B.16 of ANSI/NETA ATS-2025. Value: AC induction motors and generators.

  6. Power factor tip up

    Power Factor Tip Up is specified for AC induction motors and generators in acceptance testing at clause 7.15.1.B.6 of ANSI/NETA ATS-2025. Value: AC induction motors and generators.

  7. Surge Comparison Test

    Surge Comparison Test is addressed in ANSI/NETA ATS-2025.

  8. Vacuum interrupter integrity

    Vacuum Interrupter Integrity is specified for medium-voltage motor starters in acceptance testing at clause 7.16.1.2.B.5 of ANSI/NETA ATS-2025. Value: medium-voltage motor starters.

  9. Vacuum interrupter mac test

    Vacuum Interrupter MAC Test is specified for medium-voltage motor starters in acceptance testing at clause 7.16.1.2.B.3 of ANSI/NETA ATS-2025. Value: medium-voltage motor starters.

Protection

  1. Surge arrester and spd tests

    Surge Arrester and SPD Tests is specified for AC induction motors and generators in acceptance testing at clause 7.15.1.B.9 of ANSI/NETA ATS-2025. Value: AC induction motors and generators.

Ratio

  1. Polarity test

    Polarity Test is specified for DC motors and generators in acceptance testing at clause 7.15.3.B.7 of ANSI/NETA ATS-2025. Value: DC motors and generators.

Resistance

  1. Bolted connection resistance

    Bolted Connection Resistance is specified for AC induction motors and generators in acceptance testing at clause 7.15.1.B.1 of ANSI/NETA ATS-2025. Value: AC induction motors and generators.

  2. Commutator Bar to Bar Resistance

    Commutator Bar to Bar Resistance is addressed in ANSI/NETA ATS-2025.

  3. Contact resistance

    Contact Resistance is specified for medium-voltage motor starters in acceptance testing at clause 7.16.1.2.B.6 of ANSI/NETA ATS-2025. Value: medium-voltage motor starters.

  4. Field Pole Voltage Drop

    Field Pole Voltage Drop is addressed in ANSI/NETA ATS-2025.

  5. Fuse resistance

    Fuse Resistance is specified for medium-voltage motor starters in acceptance testing at clause 7.16.1.2.B.8 of ANSI/NETA ATS-2025. Value: medium-voltage motor starters.

  6. Resistor and coil resistance

    Resistor and Coil Resistance is specified for medium-voltage motor starters in acceptance testing at clause 7.16.1.2.B.7 of ANSI/NETA ATS-2025. Value: medium-voltage motor starters.

  7. Rtd circuit verification

    RTD Circuit Verification is specified for AC induction motors and generators in acceptance testing at clause 7.15.1.B.11 of ANSI/NETA ATS-2025. Value: AC induction motors and generators.

  8. Winding resistance

    Winding Resistance is specified for AC induction motors and generators in acceptance testing at clause 7.15.1.B.4 of ANSI/NETA ATS-2025. Value: AC induction motors and generators.

Rotating

  1. Motor Current Signature Analysis

    Motor Current Signature Analysis is addressed in ANSI/NETA ATS-2025.

  2. Motor Run Test Under Load

    Motor Run Test Under Load is addressed in ANSI/NETA ATS-2025.

  3. Motor Vibration Analysis

    Motor Vibration Analysis is addressed in ANSI/NETA ATS-2025.

  4. Synchronous Machine Field Application

    Synchronous Machine Field Application is addressed in ANSI/NETA ATS-2025.

System

  1. Phase rotation and phasing

    Phase Rotation and Phasing is specified for engine-generator emergency systems in acceptance testing at clause 7.22.1.B.3 of ANSI/NETA ATS-2025. Value: engine-generator emergency systems.