Electric Motors and Motor Protection in Non-Hazardous and Hazardous Environments
PROGRAMME OBJECTIVES
- Undertake a detailed review the different types of electric motors available
- Learn the different starting and control methods used
- Understand the requirements for electric motors in hazardous areas
- Learn the importance of selecting correct bearings and lubrication systems
- Understand the types of motor protection required for different motor types
- Understand the terms “Intelligent Motor Control” and ‘Motor Manager”
- How they are used to control and automate many motor control functions
- Learn about comprehensive electric motor maintenance programmes
- Evaluate whether a motor can be repairs or requires replacement
WHO SHOULD ATTEND?
- Project Engineers
- Lead and Senior Design and Support Engineers
- Electrical Engineers and Designers – Design and Maintenance Operations
- Electrical Superintendents – Maintenance Operations
- Facilities Engineers
- Process and Chemical Engineers
- Mechanical Engineers
- Maintenance Technicians
OUTLINE
Fundamentals of Electric Motors
- Introduction to Electrical Motors, Basic Theory and Operation
- Types of Electric Motors
- DC
- AC Synchronous
- AC Asynchronous
- Other
- Commonly used Electric Motors in Industry
- Cast or Rotor
- Wound Rotor and Slipring
- Speed torque curves and motor starting considerations
- High Voltage Electric Motors
- Special Motors (Mill Drives, Gas Turbine Helper Motors etc.)
Electric Motor Control and Hazardous Area Requirements
- Motor Control Methods and Techniques
- DOL
- Reduced Voltage Start
- Variable Speed Drives
- Hazardous Area Requirements
- Types of Hazardous Area Classifications
- Motors Classified for use in Hazardous Areas
Electric Motor Bearings, Efficiency and Harmonics
- Motor Bearings – Design and Types, Plain, Roller and Sleeve, Lubrication.
- Motor Shaft Currents and Insulation of Bearings
- Factors that Limit or Extend Motor Life
- Energy Efficiency of Motors
- Harmonics in Motors from VSDs or other sources
Electric Motor Protection
- Motor Protection Requirements – General
- Motor Thermal Model Including Overload, Locked Rotor, Often or Prolonged Acceleration and Duty Cycle Requirements
- Motor Stall, Acceleration and Running Thermal Limit Curves
- Motor Thermal Capacity and How it is Evaluated in Motor Protection Devices
- Motor Managers and Intelligent Motor Control
Electric Motor Maintenance and Repair
- Preventative Maintenance, Corrective Maintenance and Maintenance Planning
- On-Line Testing of Motors Using Current Signature Analysis can Detect:
- Rotor defects
- Stator Problems
- Bearing Problems
- Air Gap Problems
- Off-line Static testing to evaluate:
- Stator Condition
- Rotor Health
- Air Gap Anomalies
- Power Circuit Faults
- Motor Insulation Health
- Predictive Maintenance
- Vibration Analysis, Thermography and Laser Alignment
- Repair or Replacement Decisions, Motor Repair
Summary and Discussion
Certificates
A Certificate of Completion will be issued to those who attend & successfully complete the programme.
Schedule
08:30 – 10:15 First Session
10:15 – 10:30 Coffee Break
10:30 – 12:15 Second Session
12:15 – 12:30 Coffee Break
12:30 – 14:00 Third Session
14:00 – 15:00 Lunch
Training Methodology:
This interactive training course includes the following training methodologies as a percentage of the total tuition hours:
- 30% Lectures, Concepts, Role Play
- 20% Workshops & Work Presentations, Techniques
- 20% Based on Case Studies & Practical Exercises
- 10% Videos, Software & General Discussions
- 20% Application
- Pre and Post Test
Fees
The Fee for the seminar, including instruction materials, documentation, lunch, coffee/tea breaks & snack is: