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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Faced with updating their outdated T1 communications, City of Springfield turned to SEL for a simpler solution.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.
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.

Drillship Solves Power Challenge and Saves Big

SEL created a reliable power management system that enables Jasper Offshore’s floating drillships to operate at full capacity.

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.

Mine Discovers Arc-Flash Detection Saves Lives and Equipment

A rodent-triggered arc flash event confirms the value of SEL’s arc-flash mitigation technology for a global mining firm.

Power Metering: Water Utility Savings Success

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

powerMAX Prevents Blackouts at Motor Oil Hellas Refinery

One of the largest oil refineries in Europe relies on the SEL powerMAX Power Management and Control System to provide protection and wide-area control, effectively mitigating power blackouts and maximizing process uptime.

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.

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.

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.

SCADA System Sheds Light on Texas Utility’s Power System

A small municipal utility with a modest budget implemented a complete SEL SCADA system to improve its operational safety and efficiency.

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.

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 Vietnam Electricity Slash Substation Modernization Costs

SEL partnered with a local integrator to help Vietnam Electricity (EVN) modernize more than 30 substations for a fraction of the cost of traditional approaches, which saved the utility $495,000 (USD) on just one project alone.

SEL Protective Relay Withstands EF5 Tornado

After an EF5 tornado hit Joplin, Missouri, in 2011, Empire District Electric Company teamed up with SEL to swiftly rebuild one of its substations and uncovered a tornado-proof SEL protective relay.

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.

Trico Expands Communications Across Vast Terrain

A radio-based communications system enables a desert power provider to quickly restore power in the face of extreme temperatures and challenging terrain.

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

Vietnam Electricity (EVN) decreased its substation modernization costs and increased system reliability by deploying durable SEL relays in its substation yard cabinets, where temperatures can reach a sweltering 85°C (185°F) with 95 percent humidity.

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