Basler BE1-11g Instruction Manual page 111

9424200994 Rev N
������������ ������������ ���������� =
Phase VT Configuration
The 51/27R function can be set to monitor either Vpp or Vpn depending upon the Phase VT Connection
settings. See the Configuration
shows which voltage measurements are used by each 51 element for each possible phase VT connection
and 51/27 voltage monitoring mode setting.
Phase VT Connection
4W
4W
3W
AN
BN
CN
AB
BC
CA
For single-phase sensing, the unmonitored phase is not restrained or
controlled. These phases are marked in the table by n/a (not
applicable).
BE1-11g
�������������� �������������� ����������
������������������ ������������ ��������������
Equation 8. Restraint Pickup Level
Figure 63. 51 Phase Pickup Level Compensation
chapter for details on how to set the phase VT connections. Table 34
Table 34. Phase VT Connection Cross Reference
51/27 Mode
Note
× 51 ��ℎ������ ������������ ��������������
51A
Vpp Vab
Vpn Van
Vpp Vab
Vpn Van
Vpn n/a
Vpn n/a
Vpp Vab
Vpp
n/a
Vpp n/a
Inverse Overcurrent (51) Protection
99
51B 51C
Vbc Vca
Vbn Vcn
Vbc Vca
n/a n/a
Vbn n/a
n/a Vcn
n/a n/a
Vbc
n/a
n/a Vca