Note: This article is based on the 2011 NEC. Article 430 provides the requirements for electric motors while Art. 440 offers amended and additional requirements for hermetic motors, such as those used ...

Allegro MicroSystems announces a new 3-phase isolator MOSFET driver IC designed for automotive applications that meets the Automotive Safety Integrity Level (ASIL) standard. The A6861 motor driver ...

Allegro Microsystems has released the A6861, an N-channel power MOSFET driver that has the ability to isolate a 3-phase load by controlling the in-phase isolation MOSFETs. The product has been on the ...

Thank you for visiting one of our most popular classic articles. If you’d like to see updated information on this topic, please check out this recently published article, Motor Calculations — Part 1.

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 ...