Schweitzer Engineering Laboratories, Inc.
Is a manufacturer of digital products and systems for the protection, monitoring, control, and automation of electric power systems, including a factory for printed circuit boards that are crucial components for their products. The company designs and builds these systems, which are used in critical infrastructure.
- 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
Configuration Software
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Schweitzer Engineering Laboratories, Inc.
Optimize the configuration and management of device and system settings with SEL configuration software.
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Product
Operational Technology (OT) Networking
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Schweitzer Engineering Laboratories, Inc.
OT networking solutions provide communications with the performance, cybersecurity, and ruggedness required for demanding operational applications.
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Product
Routers
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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
Tools And Accessories
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Schweitzer Engineering Laboratories, Inc.
A variety of sensors and tools that can improve distribution system understanding and troubleshooting.
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Product
Remedial Action Schemes
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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
Fault Locating
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Schweitzer Engineering Laboratories, Inc.
The built-in fault-locating methods in SEL devices allow you to quickly identify faults, dispatch crews for repairs, and restore service faster. Traveling-wave fault-locating technology calculates the locations of temporary and permanent faults by measuring the arrival times of the naturally occurring traveling waves caused by a transmission line fault. Accurately detecting these waves requires ultra-high-resolution monitoring, and locating is accurate to within one tower span (±300 m). Impedance-based fault-locating technology calculates fault locations by detecting changes in line impedance as a result of a fault. Impedance-based locating is reliable and accurate to about 2 percent of a line’s total length.
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Product
Automation Operations
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Schweitzer Engineering Laboratories, Inc.
Substation automation uses substation and feeder operating functions and applications to optimize the management of capital assets and enhance operation and maintenance efficiencies with minimal human intervention.
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Product
Situational Awareness
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Schweitzer Engineering Laboratories, Inc.
Increase grid insight and safety with wide-area situational awareness, real-time visualization, intelligent analytics/notifications, and renewable energy monitoring.
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Product
Automation Control
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Schweitzer Engineering Laboratories, Inc.
Monitoring and controlling substation power systems requires comprehensive solutions. SEL’s complete solutions and hardened devices help maintain system stability with deterministic control; streamline access to valuable IED data, communications processors, and field devices; and improve visualization and control with local HMIs and access to SCADA systems.
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Product
Substation Automation
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Schweitzer Engineering Laboratories, Inc.
Enable high-performance control and monitoring schemes. Protection applications include directional element-based bus protection and replacement of tone-channel equipment for communications-assisted blocking, unblocking, permissive, and transfer trip schemes.
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Product
Current Differential and Overcurrent Relay
SEL-387
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Schweitzer Engineering Laboratories, Inc.
Protect and control any two-, three-, or four-winding power transformer with the SEL-387, which provides thermal and through-fault monitoring, and with SELogic Control Equations, can detect breaker failure.
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Product
Line Protection
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Schweitzer Engineering Laboratories, Inc.
SEL transmission line protection relays provide subcycle line differential and multizone distance protection for a secure, reliable, and high-speed solution. Their fault-locating capabilities allow you to efficiently dispatch line crews to quickly isolate line problems and restore service faster.
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Product
Downed Conductor Detection
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Schweitzer Engineering Laboratories, Inc.
Downed conductor detection technologies detect many high-impedance faults on a distribution system, improving safety as well as mitigating wildfire risk.
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Product
Teleprotection
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Schweitzer Engineering Laboratories, Inc.
Teleprotection systems monitor and protect transmission lines using communications-assisted coordination between relays.
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Product
Field Ground Module
SEL-2664
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Schweitzer Engineering Laboratories, Inc.
Add the SEL-2664 Field Ground Module to the SEL-300G or SEL-700G to protect all the critical components in your generator with one comprehensive relay. Or, add the SEL-2664 to the SEL-2664S to complete ground fault protection on both the rotor and stator.
