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…
Switching to Do-more Saves Time
ApplicationApplication StoriesAutomation NotebookData System MonitoringEnergy/UtilitiesIndustryIssue 27 – 2013Learning ResourcesNotebook IssuePLCProductProgrammable ControlUser Solutions

Switching to Do-more Saves Time

Almost 14 years ago, I converted the controls in my 80KW hydro electric plant, located in the mountains of western North Carolina, from custom micro-controller cards I developed while at Georgia Tech to the DirectLOGIC DL205 PLC with a D2-260 CPU. In 2013, it was time to make some upgrades to the plant by adding…
Students help Manufacturing Center See AND Do More
ApplicationApplication StoriesAutomation NotebookData System MonitoringEducation/DIYFacilitiesIndustryIssue 27 – 2013Learning ResourcesNotebook IssueOperator InterfacePLCProductProgrammable ControlStudent SpotlightTest and Measurement

Students help Manufacturing Center See AND Do More

When the mechatronics students at Catawba Valley Community College (CVCC) in Hickory, North Carolina, went looking for a suitable project to challenge their recently acquired PLC and HMI skills, they didn’t have to go far. The Problem The college’s Manufacturing Solutions Center (MSC) in nearby Conover needed a way to monitor the status of a…