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A Modern WAN—Simple, Economical, Elegant 

Faced with updating their outdated T1 communications, City of Springfield turned to SEL for a simpler solution. The result was a modern, IEEE C37.94-based optical fiber solution that improved performance and reduced wiring.

A Modern WAN—Simple, Economical, Elegant

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Distribution Automation Controller (DAC) Helps AEP Advance Customer Service

AEP Ohio can now restore outages before there’s an actual customer complaint due to SEL’s highly responsive DAC solution.

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Florida Utility Partners With SEL to Protect Aquifer

Gainesville Regional Utilities (GRU) constructed a wetland pond at Kanapaha Middle School (KMS) to replenish the aquifer with approximately 600,000 gallons of high-quality water and to serve as an environmental education tool for its students. They chose the SEL-2411P to provide reliable pump automation control.

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SEL Helps Nucor Steel Keep Rolling

As the largest steel producer in the United States, Nucor Steel relies on electric power to keep its steel mills rolling. Steel production is the largest energy-consuming industry in the world, with energy costs making up about 20 percent of the total cost of making steel.

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SEL Meter Helps Data Center Supply High-Quality, Uninterrupted Power

Discover how SEL metered power is a big competitive advantage for one North America wholesale data center provider.

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Self-Healing Network Restores Power Fast

To better serve their Gulf Coast customers, Mississippi Power wanted to restore power faster after severe storms and hurricanes. SEL's self-healing network of SEL-651R Advanced Recloser Controls was the answer.

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System-Wide Automation Solution Prolongs Life of Existing Relays

Chattanooga Electric Power Board (EPB) serves a territory of more than 600 square miles. To ensure reliable power delivery to this service area, EPB was determined to engineer a dependable subtransmission system that would restore power more quickly than their existing system.

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Safer Power for Auto Manufacturing

A global vehicle manufacturer needed to expand its North American manufacturing plant to accommodate a new vehicle model, this case study details how SEL helped them make their power system safer and more reliable by adding an SEL communication-assisted protection scheme.

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Mitigating Wildfire Risk in Southern California

Partnership and Innovation: Mitigating Wildfire Risk in Southern California

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powerMAX Microgrid Control System Adds Reliability and Security for Campus’ Expanding Grid

An SEL microgrid control system at the University of Notre Dame balances loads, protects infrastructure, and ensures the reliability of electric power on campus.

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SEL powerMAX at Washington State University

An SEL microgrid control system provides increased resiliency and high levels of adaptability to Washington State University, keeping the power on for critical facilities, student housing, and research labs.

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Microgrid System Ensures UCSD Facilities Always Have Power

SEL Engineering Services created a microgrid control solution for one of the nation’s top research universities (UC San Diego), featuring SEL's powerMAX Power Management and Control System.

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Microgrid Solution Plays Big On Campus

After losing power for a week after Superstorm Sandy, Montclair State University (MSU) set its sights on obtaining a campus microgrid to ensure the safety of its students and staff, and to protect its temperature-sensitive research labs.

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"Brain surgery" performed on live substation

Bringing widescale electricity to the remote, white-beached island of Grand Cayman more than five decades ago was an engineering feat in itself.

“Brain surgery” performed on live substation

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Innovation, Persistence, and a New Beginning

In the early hours of the morning on a warm night in June, a group of engineers gathered in Georgia’s National Control Center. With quiet efficiency, they prepared to execute one of the most important tests the utility would ever perform, cutting the power to one of their most critical 500 kV transmission lines.

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Many People Were Counting On It

Belgium Integrates Offshore Wind Power into European Grid

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Distribution Modernization in Kentucky

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Lighting up the Desert Nation

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Vietnam Electricity Achieves Reliability in Harsh Environments With SEL Relays in the Yard 

SEL relays are durable enough to withstand the harsh Vietnamese environment.

Vietnam Electricity Achieves Reliability in Harsh Environments With SEL Relays in the Yard

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Republic of Georgia Enters New Era of Reliable Energy

GSE partnered with SEL to develop a country-wide emergency control system (ECS) to keep the power system stable.

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Spain Achieves Superior Transmission Protection and Monitoring

The Spanish power grid turned to SEL to overcome several transmission system challenges and achieve better system stability and control.

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Mine Discovers Arc-Flash Detection Saves Lives and Equipment

Global mining operator employs arc-flash detection scheme using overcurrent and light sensors (LSs) for fast and secure arc-flash protection.

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SEL Protective Relay Withstands EF5 Tornado

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Drillship Solves Power Challenge and Saves Big

A day of downtime for a floating drillship costs more than $1 million USD per day. SEL’s power management system enables Jasper Offshore’s floating drillships to operate at full capacity.

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 Distribution Automation: Westar Improves Reliability, Conserves Energy

Westar Energy discovered how SEL Distribution Automation could help them reduce energy losses and improve reliability, paving the way for Westar to achieve system-wide benefits.

Distribution Automation: Westar Improves Reliability, Conserves Energy

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Cool Solution Solves Brazil's Heat Challenges

Power utility Eletrobras Furnas had no way of accurately measuring the heat in their HVdc converter station, and it was affecting their ability to provide reliable power.

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Busbar Protection Made Simpler and Safer With Innovative TiDL Technology

Enel-Codensa ultimately chose SEL’s TiDL solution for busbar differential protection because it was more secure, cost-effective, and easier to implement than the alternatives.

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Pend Oreille Utility Benefits From Innovative RTU Upgrade Strategy

A utility in the remote northeast corner of Washington State needed a way to upgrade their aging remote terminal unit (RTU) infrastructure without having to go through the process of replacing the existing field wiring. SEL provided an innovative solution.

Protecting Uruguay’s 500 kV System

Uruguay’s La Administración Nacional de Usinas y Trasmisiones Eléctricas (UTE) collaborated with SEL to design a remedial action scheme that maintains power to key cities, avoiding system blackouts.

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powerMAX Prevents Blackouts at Motor Oil Hellas Refinery

As part of their plant expansion, Motor Oil Hellas selected the SEL powerMAX Power Management and Control System to provide protection and wide-area control.

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A System of Robust Reliability for the Water and Wastewater Industry

Brunswick-Glynn Joint Water and Sewer Commission is responsible for ensuring public health and safety through the proper handling of the water and wastewater of the city of Brunswick and Glynn County. In need of a system update and looking for both reliable hardware and reliable data acquisition, they partnered with integrator, EMC, and SEL to find an overall solution.

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SEL Brings NamPower Into 21st Century

NamPower implements a state of the art solution incorporating advanced power protection, automation and control, all based on Ethernet communications using IEC 61850.

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SCADA System Sheds Light on Texas Utility’s Power System 

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SEL Helps Duke Energy Achieve Microgrid Simplicity

Duke Energy's construction of a microgrid project at their McAlpine Creek Subtation uses off-the-shelf SEL components.

SEL Helps Duke Energy Achieve Microgrid Simplicity

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SEL Helps Vietnam Electricity Slash Substation Modernization Costs

Working with an integrator, Applied Technical Systems Company Ltd. (ATS), SEL helped modernize over 30 EVN substations.

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Power Metering: Water Utility Savings Success

FKAA is realizing $600,000 per year in electrical cost savings using the data provided by SEL meters.

Customer Highlights

Project Highlights