125
Two step time delayed phase overcurrent
protection (TOC2)
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Check with the current I>Low or 2·I>Inv (the highest value of
these two) and the current that according to the inverse time curve
corresponds to tMin.
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Continue to test another function or complete the test by setting the test mode to off.
Restore connections and settings to the original values, if they were changed for testing
purpose.
Summary of Contents for REL 551 2.3 Series
Page 16: ...10 Note signs KDSWHU 6DIHW LQIRUPDWLRQ ...
Page 44: ...38 Checking the binary I O circuits KDSWHU KHFNLQJ WKH H WHUQDO FLUFXLWU ...
Page 52: ...46 Checking the self supervision signals KDSWHU QHUJLVLQJ WKH WHUPLQDO ...
Page 140: ...134 Testing the interaction of the distance protection KDSWHU 7HVWLQJ WKH SURWHFWLRQ V VWHP ...