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Three-Phase Motors with Twelve Wires

Three-Phase Motors with Twelve Wires

Of all types of three-phase motors, the twelve-wire motor provides the most options for connecting based on voltage and system configuration (wye or delta). Learn the details and wiring options of these versatile motors.


Three-Wire vs. Six-Wire Three-Phase Motors

Three-Wire vs. Six-Wire Three-Phase Motors

Three-phase motors with three or six wires have limited options for wiring, but are easier to use and have important roles to play. Learn the difference between three- and six-wire three-phase motors for low and high voltage applications.


Controlling VFDs with Manual Inputs

Controlling VFDs with Manual Inputs

To increase the flexibility of a motor control system, a variable frequency drive (VFD) is a common device that solves many motor control problems. In this article, learn how to control manual input of VFDs.


Common Motor Windings and Wiring for Three-Phase Motors

Common Motor Windings and Wiring for Three-Phase Motors

This article looks at some common windings and wirings for three-phase motors, including internal Wye windings and low and high voltage wirings.


Introduction to Advanced Motor Control Circuits

Introduction to Advanced Motor Control Circuits

This article looks at a few of the more advanced motor control circuits for a three-phase motor.


The Difference Between Variable Frequency Drives (VFDs) and Soft Starters

The Difference Between Variable Frequency Drives (VFDs) and Soft Starters

The following will examine how to reduce the wear on motors during startup and compare soft starters and variable frequency drives (VFDs). 


The Importance of Grounding Equipment for Safety

The Importance of Grounding Equipment for Safety

When it comes to electrical grounding, many strategies are employed to accomplish different tasks. One of the main reasons for grounding equipment is for the safety of users and equipment while maintaining strict adherence to regulations.


Variable Frequency Drives (VFDs) In Motor Control

Variable Frequency Drives (VFDs) In Motor Control

Nearly all industrial engineers have heard of a VFD. But what does VFD stand for, how do they work, and why would we prefer using a VFD to control motors for heavy loads?