100% Stator Earth Fault Protection, Injection Based Sttiphiz (64S); Identification; Application - ABB RELION 670 SERIES REG670 Applications Manual

Section 8
Impedance protection
8.8
8.8.1
8.8.2
320
Trip time
×
10 FilterLength
×
2 FilterLength
IEC11000002 V1 EN-US
Figure 158: Trip time characteristic as function of fault resistance
100% stator earth fault protection, injection based
STTIPHIZ (64S)

Identification

Function description
100% stator earth fault protection,
injection based

Application

The 100% stator earth-fault protection (STTIPHIZ, 64S) is used to detect the ground
faults in the stator windings of generators and motors. STTIPHIZ (64S) is applicable
for generators connected to the power system through a unit transformer in a block
connection. An independent signal with a certain frequency different from the
Generator protection REG670 2.2 ANSI and Injection equipment REX060, REX061, REX062
R
Trip
IEC 61850 IEC 60617
identification identification
STTIPHIZ Rse<
1MRK 502 071-UUS A
Fault resistance
R
Alarm
IEC11000002-1-en.vsd
GUID-168591A0-89CC-4F8B-8B7C-C0CDEAF2DD4B v1
GUID-949F59D4-5AD5-40D9-B275-3542517C988F v1
ANSI/IEEE C37.2
device number
64S
GUID-ACF8F9DC-3A49-4F6E-9252-668BB5C228D0 v2
Application manual