AC Electrical Motors & Drives: Troubleshooting, Maintenance & Protection

AC Electrical Motors & Drives: Troubleshooting, Maintenance & Protection

Course Category : Quality

This programme empowers professionals to master the maintenance, troubleshooting, and protection of AC electrical motors and drives, ensuring optimal performance and high system reliability.
Duration: 5 Days
Level: Advanced.

Starts On

22 - June - 2026

Ends On

26 - June - 2026

Location

Germany - Berlin

Language

English

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View Course Introductory PDF

Targeted Audience

Industrial electricians
Electrical supervisors
Plant electrical technicians
Operations & maintenance engineers
Maintenance technicians
Motor-drive technicians
Control-systems engineers
Production-line engineers

Targeted Skills

Understanding AC motor construction & principles
Mastery of Variable-Speed Drives (VSD) operation
Troubleshooting motor and drive failures
Applying preventive & corrective maintenance
Reading electrical single-line diagrams
Implementing motor & drive protection strategies
Analysing vibration, temperature, and load behaviour
Applying industrial safety standards
Optimising performance under varying loads
Diagnosing inverter-related electrical faults

Expected Outcomes

Understand operational principles of AC motors and drives.
Analyse performance characteristics and detect abnormalities.
Apply preventive and corrective maintenance practices.
Troubleshoot motor and drive faults professionally.
Interpret electrical drawings and single-line schematics.
Optimise motor performance under various load conditions.
Use diagnostic tools for electrical and mechanical evaluation.
Select suitable protection devices and schemes.
Apply electrical safety standards in industrial environments.
Prepare maintenance and repair documentation effectively.

Training Topics Index

Fundamentals of magnetics & excitation
Rotating-machine theory and construction
Single-phase & three-phase motor types
Torque-speed characteristics & efficiency
Induction-motor starting and acceleration
Load compatibility & speed-control needs

Principles of Variable-Speed Drives (VSDs)
Power semiconductors. SCR, IGBT, MOSFET
Voltage-source & current-source inverters
PWM inverter operation & DC-link considerations
Harmonics, switching transients & power factor
EMI effects and filtering

Motor characteristics, cooling & enclosure types
Detection of stator-winding failures
Routine and advanced maintenance methods
Addressing common issues. overheating, bearings, etc.
Standards & testing methods in maintenance

Converter failure analysis
Reversing-circuit troubleshooting (1-phase & 3-phase)
Preventive-maintenance frameworks
Imbalance detection & failure symptoms
Diagnostic techniques for drive issues

Motor-protection principles
Fuses, breakers & modern protection relays
Motor-protection curves & backup systems
Protection of inverters & converters
System-design considerations for effective protection