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A highly interactive training course on
AC Electrical Motors and Drives
Training course overview
This AC Electrical Motors and Drives training course provides a comprehensive overview of AC motors and their drives, which are essential in industrial applications. AC motors are vital, converting a significant portion of the world's energy into mechanical work, and they are managed by drives for optimal performance.
The course aims to enhance understanding of maintenance and troubleshooting procedures for these crucial industrial components, leading to reduced downtime and increased productivity. Additionally, effective protection and integration within systems ensure the safeguarding of this equipment, promoting safety for operational personnel.
Key features of the Coventry Academy training course include:
- An overview of different types of AC motors and their starting methods.
- Principles of variable speed drive operation.
- Identification of various types of variable speed drives.
- Troubleshooting and maintenance techniques for variable speed drives.
- Protective measures for motors and drives.
This course is ideal for professionals looking to deepen their knowledge and skills in managing AC motors and drives effectively.
What are the goals?
By the end of this Coventry Academy training course, participants will be able to:
- Understand the various types of AC motors and starters
- Determine the components and operations of variable speed drives
- Explain the different types of variable speed drives
- Analyse the common faults in a variable speed drive
- Design the protection requirements for motors and drives
Who is this training course for?
This Coventry Academy training course will benefit all levels of professional in an electrical installation. It will enable them to understand operation, maintenance and troubleshooting of AC motors and drives
This Coventry Academy training course is suitable to a wide range of technical professionals but will greatly benefit:
- Electricians
- Electrical supervisors
- Plant electricians
- Operations & maintenance engineers, supervisors & technicians
- Maintenance technicians
How will this training course be presented?
This Coventry Academy training course will utilise a variety of proven adult training techniques to ensure maximum understanding, comprehension and retention of the information presented. This includes presentation and discussion of latest videos and technologies on variable speed drives.
Questions are encouraged throughout, particularly at the daily wrap up sessions. This provides opportunities for participants to discuss with the Presenter specific issues and, if possible, find appropriate solutions. Specific goals of each participant will be discussed to ensure that their needs are fulfilled whenever practicable.
Course Outline
Day One: AC Motors
- Fundamentals of rotating machines theory, principles of operation of AC motors and their construction, rotor slip and torque-speed characteristic
- Three-phase AC induction motors, types, construction, characteristics and applications
- Starting of induction motors and associated techniques and acceleration
- Speed control requirements of AC motors
- Selection of AC motors for industrial applications and service factor
- Medium voltage AC motors and applications
Day Two: Troubleshooting and Maintenance of Motors
- Characteristics of motors, enclosures and cooling methods
- Predictive maintenance, motor troubleshooting and diagnostic testing
- Failures in three-phase stator windings, rewind scenarios when a motor fails
- Troubleshooting and maintenance of AC motors, routine care
- Slow acceleration or refusal to starting of an AC motor, overheating and noise
- Modern motor diagnostics and testing instruments
Day Three: Drives
- Fundamental principles and understanding of AC Variable Speed Drives
- Power semiconductors, diode, thyristor (SCR), IGBT, MOSFET, GTO and others.
- Voltage-source, current-source and pulse width modulated (PWM) inverters
- Benefits and applications of VSD
- Two-level PWM, regeneration and dynamic braking, volts per hertz control
- Medium voltage VSDs, switching transients, harmonics and power factor
Day Four: Troubleshooting and Maintenance of Drives
- Soft starters and selecting the correct VSD
- VSD analysers for converter failures, inverters and rectifiers
- Troubleshooting techniques and maintenance for VSD
- VSD parameter guidelines and settings
- VSD bearing failures and remedies
- Testing instruments and scopemeters for VSD
Day Five: Protection of Motors and Drives
- Importance of protection of AC motors requirement and overload protection
- Motor overload relay classes
- Numerical relays and motor protection
- Protection of inverters and electronic converters in VSDs
- Case studies, selection and design of systems and their protection
- Q&A and wrap up session
The certificate
- Coventry Academy Certificate of Completion for delegates who attend and complete the training course.