Key Features

• Synchrophasor measurement devices (PMU) that meet IEEE c37.118 (2014) across all protection applications
• Synchrophasor capabilities on generator, transformer, line distance, line differential and feeder applications
• Multiple configurable PMU elements (up to 6 on selected products)
• Extended Oscillography – captures extended events at 64 samples per cycle
• Event Recorder – 1024 time tagged events, with 0.5ms scan of digital inputs
• Data Logger – up to 16 channels with user selectable sampling rate
• Fault locator and user-programmable fault reports
• Breaker condition monitoring including breaker arcing current (I2t)
• Metering – current, voltage, power, power factor, frequency
• Broken Rotor Bar Detection and motor temperature via RTD inputs

Monitoring & Diagnostics

The UR includes high accuracy metering and recording for all AC signals. Voltage, current, and power metering are built into the relay as a standard feature. Current and voltage parameters are available as total RMS magnitude, and as fundamental frequency magnitude and angle.