AC Electrical Motors & Drives: Troubleshooting, Maintenance & Protection
Mechanical, Maintenance & Reliability · 5 Days · Public · Al-Khobraa certified · From USD 3,900
Overview
AC motors are the backbone of industry in a myriad of applications, efficiently converting more than half of the world's energy consumption into mechanical work governed by intelligent drives. The intersection of AC motors and their corresponding drives with a plant's SCADA system demands an adept understanding of maintenance and troubleshooting for optimizing uptime and enhancing productivity. Additionally, the essential protection of these substantial investments secures the equipment and ensures the safety of personnel.
Learning Objectives
Explain the operation and construction of AC electric motors and electrical drives, ensuring their compatibility with various loads.
Implement maintenance procedures for electric motors and drives according to industrial standards.
Apply troubleshooting methodologies to diagnose and resolve issues with motors and drives, drastically reducing downtime.
Utilize documentation such as single-line drawings for effective commissioning, maintenance, and troubleshooting.
Recognize the principle operations of AC electric motors and electrical drives informed by contemporary electronic technology.
Instill confidence in maintaining motors and drives following industrial best practices.
Understand comprehension of AC motor types and start-up methods.
Operate principles of variable speed drives and electric motor drive systems.
Understand and identify the variable speed drive types.
Learn about troubleshooting and maintenance skills for variable speed drives and electric drive maintenance.
Understand protection strategies for motors and drives.
Who Should Attend
This course is designed for electricians, electrical supervisors, plant electricians, and other professionals seeking to strengthen their capability in this area.
Electricians
Electrical supervisors
Plant electricians
Operations and maintenance engineers
Supervisors
Technicians
Maintenance technicians
Course Outline
Day 1 — Overview to introduction to magnetics and the basic…
Learn about a comprehensive discussion on rotating machines theory, AC motor construction, slip, operation principles, and performance metrics, including torque-speed characteristics and efficiency.
Overview of types, construction, and applications of single-phase and three-phase AC motors with an emphasis on split-phase and capacitor motors.
Learn about techniques for starting and controlling acceleration in induction motors and their applications.
Understand the necessity of speed control and compatibility with varying loads for AC motors.
Day 2 — Power semiconductors, diode, thyristor (SCR), IGBT,…
Inverters, voltage-source, and current-source, pulse width modulated (PWM) inverters.
Two-level pulse width modulated inverter, DC link energy and capacitor sizing, regeneration or dynamic slowdown, dynamic braking, regeneration.
PWM waveforms and analysis, effects of PWM on motor bearings and insulation and life expectancy, volts/Hertz control, start-up and operation, dynamics, PWM rectifier inverter systems.
Switch transients, harmonics, and power factor.
Day 3 — AC driveline power factor, the effect of AC input on…
Study of motor characteristics, enclosure types, cooling methods, and its impact on maintenance.
Understand methods for predicting and identifying failures in three-phase stator windings.
Understand Routine and advanced electric motor maintenance and troubleshooting practices, focusing on cleanliness, lubrication, temperature management, noise, and vibration control.
Learn about strategies for addressing common issues such as slow acceleration, overheating, and bearing failures.
Day 4 — Understand standards for motor maintenance and the…
Identify and resolve converter failures and understand standard failure modes and fault current limitations.
What are Troubleshooting techniques for reversing circuits in single-phase and three-phase motors?
Understand preventative maintenance frameworks, including dynamic and static inspections, phase imbalance detection, and maintenance scheduling.
Learn about the examination of drive-related symptoms, their causes, and remedies.
Day 5 — What are the requirements and methods for AC motor…
Learn about the in-depth study of various protection devices like fuses, circuit breakers, and state-of-the-art relays designed for motor protection.
Understand motor protection curves and the importance of backup protection.
Understand protection schemes for inverters and electronic converters operating motors.
Learn about systems selection and design considerations, aiming for optimal protection.
Accreditation
Al-Khobraa certified. On completion delegates receive an Al-Khobraa certificate of achievement.
What do Al-Khobraa mechanical, maintenance and reliability courses cover?
The portfolio covers reliability-centred maintenance (RCM), preventive and predictive maintenance, condition monitoring and vibration analysis, root cause failure analysis, rotating and static equipment, asset management and maintenance planning — including preparation for the CMRP (Certified Maintenance & Reliability Professional) credential.
Who should attend a mechanical, maintenance or reliability course?
These courses suit maintenance and reliability engineers, maintenance planners and schedulers, mechanical and rotating-equipment technicians and supervisors, condition-monitoring analysts, asset and plant managers, and operations staff accountable for equipment availability.
How long are mechanical, maintenance and reliability courses, and where are they held?
Most Al-Khobraa mechanical, maintenance and reliability courses run over 5 days. The exact duration, dates and city for this course are listed in the dates section on this page. Public sessions run across Saudi Arabia — Riyadh, Jeddah, Al-Khobar, Jubail and Yanbu — as well as regional and international venues, with live virtual classrooms available on request.
What certificate will I receive?
Delegates who complete the course receive an Al-Khobraa certificate of completion, issued by a Saudi-registered training provider. Al-Khobraa also delivers internationally accredited programmes; where a course carries an external awarding body such as PMI, CIPS, ILM or IOSH, that body is named on the course's own page.
Can mechanical, maintenance and reliability training be delivered in-house for our team?
Yes. Any Al-Khobraa mechanical, maintenance and reliability course can be delivered in-house at your own premises anywhere in Saudi Arabia or the GCC, with the content, dates and language of delivery tailored to your team. Al-Khobraa is an approved HRDF (Hadaf) provider, so eligible Saudi employers can seek training support. Contact us for a quotation.
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