Case Studies

SEL equipment is used for the protection, monitoring, control, automation, communication, and metering throughout the world in utility, industrial, and commercial applications.

A valuable resource of information, the case studies below illustrate challenges experienced in many applications, including high-rise buildings, manufacturing facilities, recreational and commercial facilities, and product distribution centers.

Featured Case Studies

Automatic Transfer Scheme Retrofit Ensures Reliable Power in Calgary High-Rises
The critical use of power in large commercial facilities makes continuous electric power extremely important. In order to provide a more reliable utility supply, the power system often employs redundant utility sources via a transfer scheme that switches from a preferred to an alternate source in the event of a power outage.
Link to article in PDF format.

Relay’s Event Reports Prevent Unnecessary Losses in Materials and Production
SEL-587 Current Differential Relay generates precise event reports that enable managers of electric power systems to make informed decisions after an equipment failure or system outage has occurred.
Link to article in PDF format.

 

SEL Protection and Communications Capabilities Integral to Power System Upgrade at Alberta’s Dynamic Northlands Park
A hub of sports, gaming, business, and entertainment action in Western Canada, the ongoing upgrade of Northlands Park’s power infrastructure requires complex orchestration and precise timing. This includes off-site simulation of digital monitoring and protection systems from Schweitzer Engineering Laboratories, Inc. to avoid interruption of park events.
Link to article in PDF format.

Relays Play Critical Role in Automating Power System at Pharmaceutical Distribution Center
With millions of dollars of inventory often at stake, it is critical that many pharmaceutical labs maintain climate control at their distribution centers. Recently, a major pharmaceutical producer determined that it was at risk to electric power outages and interruptions that would endanger climate control and jeopardize products processed and stored at its centralized U.S. distribution center.
Link to article in PDF format.