BE1-32R, BE1-32O/U, Directional Power Relay
These relays provide versatility and control in protecting machines against reverse power flow, underpower, and overpower conditions.
- Accurate protection provided by real power measurement.
- Wide variety of available input options to meet system requirements, including single phase and three phase configurations.
- Timings can be tailored to the application with instantaneous-, definite-, and inverse-timing characteristics.
- Flexible pickup is continually adjustable over a wide range.
- Minimized CT and PT costs as a result of low sensing burden.
- Reduced battery load with low burden power supply.
- Accurate, repeatable, and reliable operation.
- Simple HMI provides clear and intuitive settings for easy configuration.
- LED targets provide clear annunciation of status.
- Easily perform in-case system and device tests using test paddles.
- Technical Paper: Application of Islanding Protection for Industrial- and Commercial-Generators (592.1KB)
Issues associated with the islanding of an industrial- or commercial-facility power system where a synchronous generator operates in parallel with the utility source.
- Technical Paper: Current Transformer Errors and Transformer Inrush as Measured by Magnetic, Optical and other Unconventional CTs (1MB)
Errors in secondary current for these primary current conditions determine when CTs are at risk, and show, using numerical analysis, the output of a saturated CT.
- Technical Paper: Distributive Generation and Interconnection: Protection, Monitoring, and Interconnection Opportunities (1.4MB)
Paralleling a distributed-generation supply to an electric power system involves protection, monitoring and control of the interconnection.
- Technical Paper: Intertie Requirements for DGs Connected to Radial-Distribution Feeders (138.7KB)
Proposed protection requirements for distributed generation connected to radial-distribution feeders.
- Technical Paper: Life Lessons from the Power System (681.3KB)
Explores the basic principles of relay protection design and relay protection commissioning, while reflecting upon lessons learned.
- Technical Paper: Myths of Protecting the Distributed Resource To Electric Power System Interconnection (739.4KB)
For the ideology of power-system protection, the myths described in this paper are better described as conditional truths rather than half-truths.
- Technical Paper: Protective Relaying Issues in Low-Voltage Systems as Addressed in the National Electric Code (1.2MB)
Low Voltage (LV) design practices, as mentioned in the National Electric Code (NEC).
- Technical Paper: Upgrading Intertie Protection to meet TX PU Standards (343.9KB)
Utilizing multifunction relays as the sole means of protection, not only for the plant and its generation, but also for the utility.