
VDepFact
*
StartCurr
/100*
IBase
) and (
UHighLimit
/100*
UBase
;
StartCurr
/
100*
IBase
). In the first point the factor 0.25 that multiply
UBase
cannot be
changed.
UBase
Start level of the current
StartCurr
VDepFact * StartCurr
UHighLimit
0,25
IEC10000123-2-en.vsd
IEC10000123 V2 EN
Figure 208:
Example for start level of the current variation as function of
measured voltage magnitude in Slope mode of operation
•
Voltage controlled overcurrent (when setting parameter
VDepMode
=
Step
); the
start level of the overcurrent stage changes according to the
UBase
Start level of the current
StartCurr
VDepFact * StartCurr
UHighLimit
IEC10000124-2-en.vsd
IEC10000124 V2 EN
Figure 209:
Example for start level of the current variation as function of
measured voltage magnitude in Step mode of operation
Section 8
1MRK502052-UEN B
Current protection
450
Technical manual
Summary of Contents for Relion REG670
Page 1: ...Relion 670 series Generator protection REG670 2 0 IEC Technical manual ...
Page 2: ......
Page 44: ...38 ...
Page 58: ...52 ...
Page 80: ...74 ...
Page 106: ...100 ...
Page 482: ...476 ...
Page 548: ...542 ...
Page 570: ...564 ...
Page 600: ...594 ...
Page 608: ...602 ...
Page 630: ...624 ...
Page 862: ...856 ...
Page 1094: ...1088 ...
Page 1226: ...1220 ...
Page 1250: ...1244 ...
Page 1297: ...1291 ...