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Substation Automation T&D

Utilizing Fault Resistance to Test Distance Relays

Taking power grid protection to an all-new level BY JASON BUNEO & RENE AGUILAR, Megger The testing of distance relays has evolved from testing simple electromechanical relays to the newest modern microprossesor relays. Most modern relays employ advanced algorithms that not only compare the...

Distribution Automation

Microgrids: Moving Away From Central Power

Asset management evolves as microgrids play various roles BY MASSOUD AMIN, Institute of Electrical and Electronics Engineers (IEEE) Microgrids, as many readers are aware, are small power systems of several megawatts (MW) or less in scale that possess three primary characteristics: distributed...

Utility Automation & Monitoring T&D

Deep Packet Inspection Firewalls

Protecting legacy SCADA systems from cyberattacks BY ERIC BYRES, Belden Over the past decade, the power industry has embraced network technologies such as Ethernet and transmission control protocol (TCP)/Internet protocol suite (IP) for supervisory control and data acquisition (SCADA) and...

Smart Metering T&D

Extracting Value From Big Data

Moving forward with distribution automation and intelligent electronic devices BY JOHN MCDONALD, GE Digital Energy The ongoing rollout of interval (aka “smart”) meters and the resulting deluge of data have rightly received much attention and triggered the initial impetus for electric utility...

Asset Management & Maintenance

Interoperability for the Smart Grid

Standards are just the beginning BY RICK GEIGER, Cisco Systems The aging electrical infrastructure and utility industry is undergoing its greatest transition in a generation. Grid modernization is already having a significant impact on how the energy industry operates. As with the adoption of any...
Home Automation T&D Automation

T&D Automation

In-Home Display Connectivity

Optimizing conservation benefits through AMI

BY MELODY TOMKOW, Aztech Associates

The conservation benefits of ‘real-time’ electricity consumption information provided by home energy monitors, also known as in-home displays, have been studied repeatedly over the past decade. Recent studies such as the NV Energy’s “2011 Annual Demand Side Management Update Report” report a household electricity consumption reduction of 3.5 percent to nine percent.

Additionally, a well-known survey of existing U.S., Canadian and Japanese studies entitled, “The...

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Electricity Today T&D Magazine - Smart Grid Summer 2018 Issue

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Automation of T&D Systems Handbook

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T&D Automation and AMR/AMI Systems Handbook Vol. 2