Steve Vidal

Speed Control of Motors 1
An introduction to variable-frequency drives. Speed, torque, and horsepower are three inter-related parameters in motor control. The speed of a motor, measured in revolutions per minute (rpm), defines
Introduction To PLCs 1
The programmable logic controller (PLC) is a microprocessor-based system that accepts input data from switches and sensors, processes that data by making
Magnetic Motor Starter Basics 2
The NEC defines a controller in a few different ways. In Art. 100, a controller is described as a device or group of devices that serves to govern, in
Standard Motor Control Circuit Primer
Single-phase and 3-phase AC squirrel cage induction motors need some type of control circuit to initiate a start or stop function. The two types of ladder
Ladder Logic Basics 1
A specialized segment of the electrical construction and maintenance industry, AC motor control is an area that requires specific knowledge in order to
Differentiating Between DC and AC Motors 1
By definition, an electric motor is a device that converts electrical energy into mechanical energy. An electrical signal is applied to the input of the
Electrical Testing Feed
Join the Discussion on EC&M Talk

EC&M Webinars
Sep 10, 2015

ON DEMAND: An Effective Electrical Safety Program that Delivers

This hour-long webinar will cover the wording in various IEEE recommended practices, NFPA 70E and ANSI Z10 with an emphasis on what it means in terms of designing, implementing and managing an Effective Electrical Safety Program....More
Jul 21, 2015

ON DEMAND: Mitigation Methods for Arc Flash Hazards - Enhancing Personal Safety

The energy released during an arc flash event can result in severe damage to personnel, equipment, and property. While there are solutions which seek to improve the protection for each, this program will focus on personnel....More
EC&M Learning Center

Connect With Us

Sponsored Introduction Continue on to (or wait seconds) ×