Variable frequency drives (VFDs) can output simulated waveforms of nearly any frequency. However, in order to be truly useful, harmonics and resonance in the…
Variable frequency drives (VFDs) can output simulated waveforms of nearly any frequency. However, in order to be truly useful, harmonics and resonance in the system must be avoided and frequency parameters should be put in place.
Of all types of three-phase motors, the twelve-wire motor provides the most options for connecting based on voltage and…
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-phase motors with three or six wires have limited options for wiring, but are easier to use and have important…
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.
To increase the flexibility of a motor control system, a variable frequency drive (VFD) is a common device that solves…
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.
This article looks at some common windings and wirings for three-phase motors, including internal Wye windings and low…
This article looks at some common windings and wirings for three-phase motors, including internal Wye windings and low and high voltage wirings.
This article looks at a few of the more advanced motor control circuits for a three-phase motor.
This article looks at a few of the more advanced motor control circuits for a three-phase motor.
The following will examine how to reduce the wear on motors during startup and compare soft starters and variable…
The following will examine how to reduce the wear on motors during startup and compare soft starters and variable frequency drives (VFDs).