Tag: Electrical motors

  • VFD, VSD, Inverter or Drive – Dear Child Have Many Names

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    If you hear people talking about Variable Frequency/Speed Drives (VFD/VSD), Inverters, or just Drives, it is basically the same thing – a device that can change both the frequency and voltage of the electricity supplied to a motor. Unlike a transformer, which can only change the voltage magnitude, a drive can manipulate both. As the…

  • Understanding International Motor Standards: IEC, NEMA, CSA, IEEE, and UL

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    Why Do We Need Standards? Standards are the rules of the road for motors and other machines – they make sure everything works safely and together. By following standards, manufacturers guarantee that a motor won’t overheat, cause sparks, or fail prematurely. Standards also lock in key specifications so that replacement parts fit and motors from…

  • Common Failures in Induction and Permanent Magnet Motors: What to Watch Out For

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    Introduction Electrical motors are a big part of many industrial and commercial applications. However, like all mechanical devices, they are prone to failures. In this post, we will dive into the most common issues faced by two popular types of motors: induction motors and permanent magnet (PM) motors with inner and outer rotors. Understanding these…

  • Permanent Magnet Synchronous Motor (PMSM), The Basics

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    The super short explanation for the difference between Permanent Magnet Synchronous Motors (PMSMs) and Asynchronous Induction motors (AC motors), is that PMSMs utilizes Permanent Magnets (PMs) in the rotor, to create the magnetic field, instead of a magnetizing current as AC motors. This reduces the power consumptions giving the PMSMs a generally higher efficiency and…

  • Demystifying Asynchronous AC Motors: The Workhorses of Modern Industry

    Introduction In the topic of electromechanical systems and more precisely Electrical Machines, asynchronous AC motors, also known as induction motors, stand as iconic workhorses, silently powering a variety of applications in our daily lives. From industrial machinery to household appliances, these reliable motors play a crucial role in driving a wide varity of equipment. In…

  • How Does an Electric Motor Work: A Comprehensive Guide

    Introduction Electric motors are an integral part of modern life, powering everything from household appliances to industrial machinery. Their widespread use and diverse applications have revolutionized the way we live and work. In this blog post, we will take a deep dive into the fascinating world of electrical motors, exploring their mechanics, working principles, and…