Showing results: 91 - 103 of 103 items found.
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Schweitzer Engineering Laboratories, Inc.
Microgrids provide energy assurance using reliable, resilient, and secure solutions for maintaining uninterrupted energy delivery. SEL solutions maintain system stability with deterministic control that operates at subcycle speeds to preserve load and generation balance while seamlessly islanding and recoupling with the bulk electric system.
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Schweitzer Engineering Laboratories, Inc.
Generator protection products and systems provide complete primary and backup protection for all types of generator faults. They are suited for use in utility-, industrial-, and commercial-scale power generation systems.
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SEL-734B -
Schweitzer Engineering Laboratories, Inc.
The SEL-734B with low-energy analog (LEA) inputs provides advanced monitoring and control capabilities for applications, such as capacitor bank control and feeder monitoring. LEA sensor compatibility allows safe, fast, and inexpensive installations. Advanced communications report data to SCADA systems and allow remote operations from a control center.
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SEL-735 -
Schweitzer Engineering Laboratories, Inc.
The SEL-735 Power Quality and Revenue Meter passes accuracy requirements three times more stringent as the ANSI C12.20 Accuracy Class 0.2 standard. Advanced load profile trending, compatible with Itron® MV-90, DNP3, and Modbus protocols, ensures integration with practically any billing system. In addition to a full set of revenue metering features, advanced power quality monitoring will report costly system disturbances.
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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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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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SEL-2664 -
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.
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Schweitzer Engineering Laboratories, Inc.
HMIs and annunciators improve situational awareness, efficiency, and safety by providing local indication of alarm conditions. Integrating these devices with remote I/O, relays, or real-time automation controllers eliminates duplicate I/O wiring.
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Schweitzer Engineering Laboratories, Inc.
SEL panels and enclosures offer advanced protection, control, automation, and communications solutions, all at varying levels of customization. Select from ship-from-stock or configure-to-order panels for expedited lead times, or partner with Engineering Services to develop your own custom panel or enclosure.
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