ABB RELION 670 Series Technical Manual page 595

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