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Short-circuit protection,
remaining effective even in case of a failure of the entire
supply voltage of the device. Reconnection protection by manual
resetting.
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Selective disconnection of a faulty
alternator.
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Overload protection by over-current
recording.
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Reverse power protection.
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Disconnection of non-essential consumers
in case of overloading.
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Synchronizing of the alternator to
the busbar.
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Automatic speed adaptation of the
diesel engine to the busbar frequency.
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Under and over-voltage monitoring.
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Under-frequency monitoring.
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Supervision of the current transformer
circuit regarding disconnections.
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Self-monitoring of the supply voltages.
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Output measuring also for non-sine-shaped
voltages and currents, especially for thyristor loads via measurement
of the actual value (output signal ±10 V/DC for moving
coil instrument connection.
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Permanent storage and indication
of all releasing functions.
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Supply of the under-voltage coil
220 V/DC with support of the supply in case of voltage drop
caused by a short circuit. The release of the trip works directly
with the under-voltage coil and is fixed wired in the unit.
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Output of all signals in parallel
distribution for external signalling or for working up in the
machine alarm system.
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Actual load sharing of any number
of generator sets feeding on a common busbar, with automatic
frequency regulation to constant frequency, or under consideration
of the frequency status of the speed regulator of the generating
set.
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Loadfree disconnection of the alternator
circuit breaker.
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Product
Overview
