Schweitzer Engineering Laboratories, Inc.
SEL serves the power industry worldwide through the design, manufacture, supply and support of products and services for power system protection, monitoring, control, automation, communications and metering. For more than 30 years, SEL has offered unmatched local technical support, a 10‐year, worldwide warranty and a commitment to making electric power safer, more reliable and more economical.
- 509.332.1890
- 509.332.7990
- info@selinc.com
- 2350 NE Hopkins Court
Pullman, WA 99163
United States of America
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product
Generation Protection
Schweitzer Engineering Laboratories, Inc.
SEL generator protection solutions provide complete primary and backup protection from all types of faults. Using these devices helps you avoid expensive equipment damage and failure while maintaining system performance and increasing availability.
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product
Routers
Schweitzer Engineering Laboratories, Inc.
Routers forward data packets to and from different networks. In utility networks, routers are often used to create security perimeters around substation LANs.
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product
Current Differential Relay
SEL-587
Schweitzer Engineering Laboratories, Inc.
The SEL-587 Current Differential/Overcurrent Relay provides protection for any two-input apparatus, such as transformers, motors, generators, and reactors. Apply it for differential and overcurrent protection and use event reports for quick post-event analysis.
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Secure Access
Schweitzer Engineering Laboratories, Inc.
Devices with secure access authenticate users, control privileges, and create audit trails.
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product
Electrical Balance Of Plant
Schweitzer Engineering Laboratories, Inc.
Protecting a generation facility encompasses more than just protecting a generator. Protecting motors, feeders, and station-service equipment is also critical to maintaining plant uptime. By combining SEL solutions, you can do all of that using reliable, field-proven hardware that is suited for use in utility-, industrial-, and commercial-scale power systems.
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Precise Timing
Schweitzer Engineering Laboratories, Inc.
Precise timing is achieved using satellite clocks, which process signals from Global Navigation Satellite Systems, such as GPS, and output time to power system devices using IRIG-B, the Precision Time Protocol (PTP), and the Network Time Protocol (NTP).
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Tools And Accessories
Schweitzer Engineering Laboratories, Inc.
A variety of sensors and tools that can improve distribution system understanding and troubleshooting.
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Distribution Protection
Schweitzer Engineering Laboratories, Inc.
SEL distribution protection solutions provide complete primary and backup protection from all types of faults. Using these devices helps you avoid expensive equipment damage and failure while maintaining system performance and increasing availability.
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Power Quality
Schweitzer Engineering Laboratories, Inc.
SEL power quality controls increase power efficiency and reliability by improving a system’s power factor and voltage stability.
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product
Industrial Operations
Schweitzer Engineering Laboratories, Inc.
Comprehensive power management systems optimize power delivery to minimize production interruptions and save money. SEL power management, process control, and automation products are designed for the conditions common in industrial power systems.
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Remedial Action Schemes
Schweitzer Engineering Laboratories, Inc.
SEL’s power management system for utilities uses a remedial action scheme (RAS) in a control system for large geographic regions of interconnected transmission, generation, and loads. This solution is commonly used for the wide-area monitoring, control, and integration of large wind power stations.
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product
Control Center
Schweitzer Engineering Laboratories, Inc.
The essential elements in the reliable operation of the bulk electric system (BES) are control centers that continuously monitor and control generation and transmission power flows. Visualization, situational awareness, and analytic software help ensure that control center personnel always know what is happening with the BES.
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Power System Operations
Schweitzer Engineering Laboratories, Inc.
Automate data collection, concentrate phasor data, and analyze data with real-time analytics.
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product
RTD Module
SEL-2600
Schweitzer Engineering Laboratories, Inc.
Measure and transmit data from up to 12 RTDs and a single contact status located in transformers, breakers, motors, generators, or other system apparatus.
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product
Distributed I/O
Schweitzer Engineering Laboratories, Inc.
Expand the I/O of SEL relays and communications processors, reduce copper in substations by transferring I/O from remote locations over fiber, and provide electrical isolation to avoid ground paths and induced noise and interference.
