Earth Leakage Relay
This earth leakage relay operates when the leakage current exceeds a predetermined value.
The leakage current is measured through the use of Zero-phase Current Transformer (ZCT) for three-phase system.
<b><u>Block Setting</u></b>
<b>Sensitivity</b>
Specify relay pick-up leakage current.
<b>Multiplier</b>
Specify the multipier factor for leakage current sensitivity setting above.
<b>Time Delay</b>
Specify the relay operating time delay.
<b>Fundamental Frequency (Hz)</b>
Specify the RMS current measurement fundamental frequency, in hertz, of the input signal.
<b><u>Block Input Output</u></b>
<b>I</b>
Three-phase current input to the Earth Leakage Relay
<b>R</b>
Relay output (1-0) control signal, commonly connected to circuit breaker
<b>m</b>
Relay operating time and measured leakage current
Citation pour cette source
Rodney Tan (2024). Earth Leakage Relay (https://www.mathworks.com/matlabcentral/fileexchange/77900-earth-leakage-relay), MATLAB Central File Exchange. Récupéré le .
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Version | Publié le | Notes de version | |
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1.0.0 |