Technical College Students Understand Protective Relays
ApplicationApplication StoriesAutomation NotebookAutomationDirect SpotlightEducation/DIYHMIIndustryIssue 31 - 2015Learning ResourcesMachine ControlNotebook IssueOperator InterfacePLCProductProgrammable ControlStudent SpotlightStudent SpotlightVariable Speed Drives

Technical College Students Understand Protective Relays

Protective relays are specialized devices designed to sense abnormal conditions in electric power systems, commanding circuit breakers to trip or close when needed. These relays are absolutely essential to the reliable operation of the electric power generating stations, substations, transmission lines, and distribution systems that comprise any large-scale electric power grid; they are increasingly finding…
Ohio Energy Group Finds Alternative Control
ApplicationApplication StoriesAutomation NotebookEnergy/UtilitiesHMIIndustryIssue 13 – 2009Learning ResourcesNotebook IssueOperator InterfacePLCProcess ControlProductProgrammable ControlUser Solutions

Ohio Energy Group Finds Alternative Control

The Problem I am a member of a small alternative energy group in Ohio. Many of us generate our own power using wind turbines. These wind turbines vary widely from low power to high power and from homemade to high-tech. Among all of this diversity, we had one common problem – we were looking for…
DL06 PLC Puts Heaters To The Test
ApplicationApplication StoriesAutomation NotebookEducation/DIYHMIIndustryIssue 13 – 2009Learning ResourcesMachine ToolNotebook IssueOperator InterfacePLCProductProgrammable ControlTest and MeasurementUser Solutions

DL06 PLC Puts Heaters To The Test

Pyromatics Automation Systems of Crystal Lake, IL, was contracted by Durex Industries of Cary, IL, to develop a Life Cycle Test Station for its electric heating elements. After extensive research, Pyromatics chose AutomationDirect as the primary supplier of hardware and software for the project. This test station needed a user-friendly graphical interface to give operators…