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12Jan 202028 Aug 2024

Basic Questions to Ask About Control Panels

By Jerry Smith Electrical control panels are designed and used to control mechanical equipment. Each one is designed for a…

24Jul 201928 Feb 2021

Introduction to Relays

A relay is an electrically operated switch. It consists of a set of input terminals for a single or multiple…

11May 201914 Feb 2021

Line and Load Reactors Basics

Reactors can protect both motors and variable frequency drives (VFDs) from harmful current and voltage spikes. Reactors also help reduce…

Drives

How Does an AC VFD Work?

28 Jan 201618 Apr 2021

A variable-frequency drive or adjustable-frequency drive, variable-voltage/variable-frequency drive, variable speed drive, AC drive, micro drive or inverter drive is a type of motor drive used in electromechanical drive systems to…

Drives

Timely tips for dealing with drive accessories

18 Oct 201420 Mar 2021

Beware of VFD-induced motor currents. A variable frequency drive (VFD) refers to AC drives only and a variable speed drive (VSD) refers to either AC Drives or DC Drives. VFDs…

Drives

Feed your VFD with the right power

15 Jun 201418 Apr 2021

A variable frequency drive (VFD) is a type of motor controller that drives an electric motor by varying the frequency and voltage of its power supply. The VFD also has…

Drives

How to Choose the Right Control Method for VFDs

18 Apr 201420 Mar 2021

A variable frequency drive (VFD) is a type of motor controller that drives an electric motor by varying the frequency and voltage of its power supply. The VFD also has…

Drives

Sizing Three-Phase Inverters for Single-Phase Power Applications

13 Feb 201420 Mar 2021

A variable-frequency drive or adjustable-speed drive (ASD), variable-voltage/variable-frequency drive, variable speed drive (VSD), AC drive, micro drive or inverter drive is a type of motor drive used in electro-mechanical drive…

Drives

Top 10 Tips: Specifying VFDs

26 Jan 201428 Feb 2021

A variable-frequency drive or adjustable-frequency drive, variable-voltage/variable-frequency drive, variable speed drive, AC drive, micro drive or inverter drive is a type of motor drive used in electro-mechanical drive systems to…