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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

Schneider Electric Malaysia

Attachment(s)

FA295564.pdfFA295564.pdf [1.31 MB]
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Range:
Easergy Sepam Series 80Easergy Sepam series 60Sepam series 40Sepam series 20
Explore more
Range:
Easergy Sepam Series 80Easergy Sepam series 60Sepam series 40Sepam series 20
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