Undervoltage Relay Block

Version 1.0.0.0 (26.2 KB) by Rodney Tan
Undervoltage Protection Relay that operates when the voltage is less than the predetermined value.
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Updated 15 Jun 2017

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Undervoltage Relay (ANSI/IEEE C37.2 device number 27) that operates when the voltage is less than the predetermined value.
Undervoltage Setting (U <<)
Specify undervoltage setting ranging from 1% to 25%.
Undervoltage Time Delay Setting (t <<)
Specify undervoltage time delay ranging from 0.1s to 30s for under voltage ride through.
Nominal Phase-to-Ground Voltage (Vrms)
Specify the relay nominal phase-to-ground RMS voltage measurement.

Fundamental Frequency (Hz)
Specify the RMS current measurement fundamental frequency, in hertz, of the input signal.

Cite As

Rodney Tan (2026). Undervoltage Relay Block (https://uk.mathworks.com/matlabcentral/fileexchange/63339-undervoltage-relay-block), MATLAB Central File Exchange. Retrieved .

MATLAB Release Compatibility
Created with R2016a
Compatible with any release
Platform Compatibility
Windows macOS Linux
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Version Published Release Notes
1.0.0.0