Toshiba Electronic Devices & Storage Corporation (“Toshiba”) has started to ship engineering samples of " TB9M040FTG," a ...

It’s impossible to balance line-to-line voltages perfectly in three-phase circuits, so they typically differ by a few volts or more. However, if voltage unbalance exceeds 1%, it can markedly decrease ...

The asynchronous electric motor, also referred to as an AC induction motor, is the most common type of commercial and industrial AC motor. Its invention dates back to the 1800s and the likes of ...

Variable frequency drives (VFDs) are used in many industrial applications to improve energy efficiency and provide precise control over electric motors. By adjusting the frequency, voltage and current ...

Section 430.6(A) of the 2023 NEC instructs electricians to size motor connection conductors based on the allowable ampacity tables in Table 310.16. Electricians constructing 3-phase motor circuits “in ...

Early incarnations of the electric motor first appeared in the 1740s through the work of Scottish Benedictine monk and scientist, Andrew Gordon. Other scientists such as Michael Faraday and Joseph ...

In the original version of this article, the second figure contained an error. The image has been updated. It’s important for engineers to have a good, working ...