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No. of Courses: 18

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Program Duration: 6.35 Hrs

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Languages: English

About the Program

Rotational force is present everywhere in our daily lives, powering everything from appliances to industrial machinery. Understanding motors is essential in comprehending this force’s application. Our program delves into motor principles, types, and components, including enclosures for hazardous environments and cooling systems. With an emphasis on safety and efficiency, learn how to troubleshoot common issues and conduct routine maintenance checks.

Course List

Introduction to Motors

Explore the fundamentals of motors and energy conversion in industrial processes. Understand the significance ofrotational force, torque and horsepower in driving industrial operations, crucial for optimizing performance and efficiency.

Evolution of Motors

Discover early methods such as water and wind power for rotational energy, alongside diesel-driven mechanisms. Learn about the advent of electricity-driven methods and the evolution of electric motors. Understand the pivotal role of electric motors in modern manufacturing and petrochemical industries.

Principle of Electric Motor

Learn about the principles of magnetism and electromagnetism. Explore Faraday’s Law and its application in motors, elucidating the conversion of electrical energy into mechanical motion. Understand Fleming’s Left Hand Rule and workings of a simple electric motor.

Key Components of Electric Motor

Discover the essential components of a motor, including the stator and rotor, fundamental to its operation. Explore the intricate windings, fan, and brushes, vital elements contributing to motor functionality and efficiency.

Classification of Motors

Explore the classification of motors, including AC motors like induction and synchronous types, and DC motors such as series, shunt, and compound variants. Delve into each motor’s unique characteristics and applications through informative charts.

Special Types of Motors

Explore the protective enclosures of motors and their diverse types. Learn about Open Drip Proof (ODP), Totally Enclosed Fan-Cooled (TEFC), and Totally Enclosed Non-Ventilated (TENV) motors. Also, learn about explosion-proof (XP) enclosures and their classification in hazardous areas. Gain insights into hazardous motors such as EXN, EXD, and EXE, essential for navigating hazardous environments.

Auxiliary Components

Explore the fundamentals of circuit breakers, including their components and working principles. Understand the working principles of relay swtich and motor circuit starter.


Explore the IEC 34.6 standards governing motor cooling methods. Understand the classification of cooling methods, including natural cooling, fan cooling, water cooling, and gas cooling.


Discover the complexities of motor performance and operation in this course. Explore key factors such as motor speed, poles, and frequency, and understand their interrelation. Gain insights into voltage, current, resistance, and electric power, and their fundamental relationship. Learn about slip, torque, starting current, motor efficiency, and power factor, essential metrics for assessing motor performance and efficiency in industrial applications.

Technical Specification of Motors

Discover the significance of motor nameplates. Explore the details found on the nameplate of an induction motor, deciphering key terms and their meanings crucial for motor specification and troubleshooting. Understand motor insulation classes with temperature classifications, along with duty cycles of motors.

Start-up Methods

Explore various start-up methods for motors, including Direct-on-Line (DOL) and Star-Delta starters. Understand the components and working principles of DOL starters, the advantages and disadvantages of Star-Delta starters, and learn about Auto-Transformer and Soft starters. Also, learn about the applications of Soft starters.

General Operating Philosophy

Discover the general operating philosophy of motors and starting currents and their impact on motor operation.

Routine Checks

Learn about the essential maintenance practices for motors such as breaker maintenance, cable termination, and grounding, crucial for electrical safety and reliability. Also, learn about physical checks, including coupling guards, fan covers, and base plate bolts, to prevent mechanical failures. Gain insights into monitoring motor health through checks for cooling, oil levels, abnormal noise, vibration, temperature, current, and smell. Understand testing methods such as rotor, insulation resistance, and stator testing.

Protections for Motors

Understand the characteristics of effective motor protection and the range of protection devices available. Explore the common causes of motor damage or failures, including thermal overload, earth fault, short circuit, over/under voltage, stalling, and variations in temperature. Learn about overcurrent, undercurrent, and the role of modern microprocessor relays in providing multi-function protection for motors.

Direction of Rotation

Explore the principles governing direction of rotation, examining its significance in both single-phase and three-phase motors.


Explore common issues encountered with motors. Uncover problems such as failure to start upon initial installation, sudden stoppage during operation, and prolonged acceleration times. Learn about issues such as incorrect rotation direction, frequent overload protector trips, excessive vibration, bearing failures etc.

Special Requirements

Explore essential aspects of high capacity HT mototrs such as ingress protection, temperature class, and motor duty classes, crucial for maintaining optimal performance in high-temperature environments. Gain insights into the importance of Megger testing.

Advantages of Using Motors

Assess the wide-ranging benefits of motors, from increased productivity to reduced labor costs and enhanced operational flexibility. Conclude with a comprehensive summary highlighting the pivotal role of motors in modern industries.

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