
Select motors that perfectly fit the intended purpose, avoiding oversized or undersized, to ensure reliability, safety, low failure rate, and long operating life in oil, gas, chemical, and power industries.
Identify the key codes and standards for motor selection and design, including energy efficient motors, hazardous area location, and explosion-protection requirements under IEC standards.
Learn the general requirements for motor design types and continuous operation, including voltage and frequency tolerance, design bases, customer concurrence, and insulation considerations for inverter-driven motors.
Design the motor enclosure and mounting to accommodate stagger windings and rotor, select IS-standard frame sizes, and apply appropriate cooling configurations, including IP65 and CCW options.
Explore stator design for three-phase motors with six leads to the terminal box, winding installation, and insulation choices, plus rotor design featuring a squirrel cage and dynamic balancing.
Design terminal boxes with separate boxes for cable connections to prevent shorting and phase issues. Choose heavy-duty double compression lugs, flame-proof options, and mounting to ensure safe, interchangeable motor terminations.
Learn how to specify and select auxiliary motors for mobility projects, aligning customer requirements with power, enclosure, and environmental conditions, while adhering to standards, vibration limits, and auditing.
Review pre-order stage documents, scrutinize vendor technical offers, and conduct technical queries and evaluations against IEC standards, tolerances, and drawings to select the best motor design package.
Size motors by matching mechanical power, torque, and speed to load demands, analyze constant power/torque/speed regimes, and apply the 75–100 percent rating rule for reliable start up.
What is Motor?
The motor is such an electric device that transforms electric power into mechanical power.
The working of these motors depends on the interaction of the field at the stator with the flux generated by the current armature windings at the rotor.
The input to the motor can be provided according to their types if they are dc motor then input will be provided with the battery, rectifiers and if the motor is ac then its input will come from the ac power source, inverter, and ac generator
Classifications of motors can according to input supply like AC or DC source, with that it can be classified with their internal structure, practical implementations, etc.
With AC or DC motors, there are other types of electrical motors like: single-phase motor, 2 phase motor, 3 phase motor, etc.
Less rating motors used in industries or in our homes for converting mechanical power into electrical power.
While high rating motors almost hundred MW used in shipping propulsion, and in pump storage applications.
Some motors are installed in different fans, pumping devices, drill machines, or some other devices like electric watches.
What will you learn?
Overview of Motor Design
Purpose of Selection
Important Codes & Standards
Types of Motor
Motor Design: General Requirements
Motor Enclosure
Stator Design
Rotor Design
Terminal Box
Auxiliaries
Pre Order Stage Documents
Post Order Stage Documents
Motor Design Calculation