Grid and systemprotection
- Energy generation
- Compliance with power utility standards and specifications regarding frequency and voltage for feeding power into the public power grid.
- Monitors deviations from the minimum and maximum values for voltage and frequency.
- - Thresholds specified precisely in accordance with the standard
- A single device for voltage and frequency monitoring
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Correct phase sequence and defined shutdown in the event of undervoltage.
Peak load detection
An emergency power generator starts in the event of a mains failure.
Monitoring emergency lighting system
An undervoltage monitoring relay with a fixed switching threshold at 0.85% of the nominal voltage is needed for emergency lighting systems. Two changeover…
Waste incineration system screw conveyor
Shutdown of the screw conveyor in the event of overload.
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Start-up suppression for DC motors
The starting resistor of a DC motor has to be bypassed for regular operations, but no additional control voltage is available.