Name Values (Range) Unit Step Default Description
VrLV 10.0 - 3000.0 V 0.1 400.0 Excitation transformer LV winding rated
Ph-Ph voltage in V
VrHV 0.10 - 100.00 kV 0.01 11.00 Excitation transformer HV winding rated
Ph-Ph voltage in kV
PhAngleShift -180 - 180 Deg 30 30 Phase angle shift across excitation
transformer (degrees)
8.18.6 Monitored data
PID-3718-MONITOREDDATA v4
Table 330: GRPTTR (49R) Monitored data
Name Type Values (Range) Unit Description
IMEAS REAL - A Measured current, used for calculation of
operate time
IDC REAL - A Average DC current value, used for alarm
and trip logic
THETA REAL - % Overload in percent of set trip level (i.e.
Trip=100%)
RIPPLVAL REAL - % DC ripple as percent of measured DC
current
8.18.7 Operation principle
GUID-53D647AD-11D3-4483-89AE-C0325D6C511E v3
The rotor overload protection GRPTTR (49R) can be illustrated in five separate sub-blocks, see
Figure316.
1MRK 502 066-UUS B Section 8
Current protection
589
Technical manual
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