P54x/EN OP/La4 Operation
(OP) 5-44
MiCOM P543, P544, P545 & P546
OP
P1539ENa
DDB Zone x AN
DDB Zone x Gnd Scheme Block
DDB Zone x Start A
DDB Zone x Start B
DDB Zone x Start C
DDB Zone x Start N
Phase Elements
SET Zone x Gnd Scheme Enabled
DDB Zone x BN
DDB Zone x CN
&
DDB Zone x AB
DDB Zone x BC
DDB Zone x CA
DDB Zone x Phs Scheme Block
SET Zone x Phs Scheme Enabled
1
DDB Zone x Trip A
DDB Zone x Trip B
DDB Zone x Trip C
DDB Zone x Trip N
DDB Zone x Trip
&
&
&
&
1
&
&
Ground Elements
1
1
1
1
1
&
1
&
&
&
t
t
tZ
x
tZ
x
Signal Zone 1 Zone 2 Zone 3 Zone P Zone 4
Zone x Ground Block 384 386 388 390 392
Zone x Phase Block 385 387 389 391 393
Zone x AN 960 966 972 978 984
Zone x BN 961 967 973 979 985
Zone x CN 962 968 974 980 986
Zone x AB 963 969 975 981 987
Zone x BC 964 970 976 982 988
Zone x CA 965 971 977 983 989
Zone x Trip 608 613 618 623 628
Zone x Trip A 609 614 619 624 629
Zone x Trip B 610 615 620 625 630
Zone x Trip C 611 616 621 626 631
Zone x Trip N 612 617 622 627 632
Zone x Start A 741 745 749 753 757
Zone x Start B 742 746 750 754 758
Zone x Start C 743 747 751 755 759
Zone x Start N 744 748 752 756 760
Figure 24 Basic scheme delayed trip (Distance option only)
Note: The numbers in the table represent the DDB signals available in the
PSL.