Motors – Precision Automation | Specialists in Industrial Automation

Motors

Fault Finding – Three Phase Induction Motors

6 Dec 202027 Feb 2021

All electric motors have their predetermined life span, typically ranging from 30,000 to 40,000 hours. However, this is dependent on proper maintenance - without which they are likely to break…

Fault Finding – Single Phase Motors & Standard Controllers

6 Dec 202011 Apr 2021

ProblemPossible Cause'ACO" (and 'MCO') Does not Close when Start is Called for.Fault with supply. Power supply absent at terminals L1, L2 and N. External control circuit is blocking operation. Thermal…

Motors

Choice of Correct Type of Motor

30 Nov 202030 Nov 2020

We will now consider the various types of motors that are available and relative merits of each. THE SQUIRREL CAGE ROTOR MOTOR. This is the most common of motors that…

Motors

Temperature & Insulation – A Brief Guide

22 Nov 202010 Apr 2021

REFERENCE STANDARDS IEC 34-1, BS 4999, AS 1359.32. TEMPERATURE RISE AND MOTOR LIFE The “Life” refers to the life of the windings before they require rewinding. The Temperature rise of…

Motors

How Does A Motor Work?

19 Nov 202019 Nov 2020

THEORY In very basic terms, the reason that the shaft of any motor rotates ( when the motor is switched on) can be explained by one law of Electromagnetic theory.…

4 Steps to Calculate Short Circuit Ratings in Industrial Control Panels

1 May 202018 Apr 2021

By ABB Low Voltage A short circuit is a low-resistance connection established by accident or intention between two points in an electric circuit. This excessive electric current potentially causes circuit…

Basic Questions to Ask About Control Panels

12 Jan 20206 Dec 2020

By Jerry Smith Electrical control panels are designed and used to control mechanical equipment. Each one is designed for a specific equipment arrangement and includes devices that allow an operator…

Line and Load Reactors Basics

11 May 201914 Feb 2021

Reactors can protect both motors and variable frequency drives (VFDs) from harmful current and voltage spikes. Reactors also help reduce power line distortion, known as harmonics, by adding impedance to…

Motors

The Mystery of Motor Frame Size

18 Apr 201910 Jan 2020

By Edward Cowern, P.E. – Baldor/ABB. Introduction Industrial electric motors have been available for nearly a century. In that time there have been a great many changes. One of the…

Motors

Motor Considerations with AC Drives

10 Apr 201922 Apr 2019

By Leeson. One drawback to pulse width modulated drives is their tendency to produce voltage spikes, which in some instances can damage the insulation systems used in electric motors. Pulse…