Portescap in Motion

Motor Technology Selection: Evaluation Factors

Posted by Dave Beckstoffer   Jan 10, 2022

Motor Technology Selection: Evaluation Factors

Motors are usually an indispensable element of an application’s motion system. However, selecting the motor is rarely straightforward. Motor technologies all have characteristics that can impact a design in different ways, and  will determine whether you choose a brushless DC, coreless DC or stepper motor. Here are some key considerations to help you choose an optimal motor for your application.

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Topics: Portescap, Brushless DC motors, precision, peak torque, periodic duty cycle, coreless DC, motor technology, product development, speed, lifetime, mechanical envelope, duty cycle

Improve Thermal Performance for Ironless Brush DC and Brushless DC Motors

Posted by Daniel Muller   Dec 20, 2021

Improve Thermal Performance for Ironless Brush DC and Brushless DC Motors

Electric motor manufacturers must ensure that a motor’s instant internal temperature never exceeds its various components’ maximum allowable temperature. Depending on the design of the motor and the materials used, thermal phenomena will dictate the motor’s performance. Motor designers typically have two options to enhance motor performance without overheating and damaging its components: increase power conversion efficiency by generating less heat for a given mechanical power output or improve the motor's cooling capability through heat dissipation.

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Topics: brushed DC motors, Portescap, Brushless DC motors, DC motors, iron losses, power conversion, heat dissipation, spotless brushless motors, motor design, thermal management, power losses, temperature rise, steady state operation, heat transfer, thermal resistance, excessive temperature, electrical resistance, thermal conductivity, transient operation, peak torque, periodic duty cycle

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