How to test 47 Phase unbalance protection in SEPAM relays?
In this case we are going to explain about two scenario to test Ansi code 47.
47 is phase unbalance protection resulting from phase inversion, unbalanced supply or distant fault which is detected by the measurment of negative sequence voltage(Vi).
Please check the attached file.
AEDL3
47 is phase unbalance protection resulting from phase inversion, unbalanced supply or distant fault which is detected by the measurment of negative sequence voltage(Vi).
Please check the attached file.
AEDL3
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