Information For The 100-% Stator Earth Fault Protection With 3Rd Harmonics - Siemens Siprotec 7UM62 Manual

Multifunction generator, motor and transformer protection relay

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2.28.2.2 Information for the 100–% Stator Earth Fault Protection with 3rd Harmonics

05553 >SEF 3H BLOCK

05561 SEF 3H OFF

05562 SEF 3H BLOCK

05563 SEF 3H ACTIVE

05567 SEF 3H pick.up

05568 SEF 3H TRIP

7UM62 Manual

C53000-G1176-C149-3

100–%–Stator Earth Fault Protection with 3rd Harmonics (ANSI 27/59TN 3rd Harm.)

>BLOCK SEF with 3.Harmonic

SEF with 3.Harm. is switched OFF

SEF with 3.Harm. is BLOCKED

SEF with 3.Harm. is ACTIVE

SEF with 3.Harm.: picked up

SEF with 3.Harm.: TRIP