The numerical synchro check relay type spau 140 c is a voltage measuring relay designed to be used when two power systems are to be connected together.
Sync check relay.
Sync check relay synchronism check relay are relays that allow unattended synchronization of a machine with a system.
It means we can do still synchronization with the 1 5 voltage or frequency mismatch.
This relay contains the allowable percentage of mismatch of voltage and frequency.
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Today these are digital microprocess.
I have used the check synchronous relay with the setting of 1 5 mismatch.
Connecting two electrical systems that are not closely matched can cause expensive damage and disturbance to the electrical.
Check synchronous relay setting.
Synchrocheck relays ensures that bus and line side voltages are within programmed differentials of voltage magnitude phase angle frequency and phase rotation is the same.
The synchro check relay spau 140 c can be used for both synchro check functions and voltage check functions.
The synchro check function is used when two separate networks or two electrically.