Setting Notes - Siemens siprotec 7SD5 User Manual

2 Functions
The echo function is not required for the blocking scheme, and is therefore ineffective.
Figure 2-108 Logic diagram of the echo function for the earth fault protection with teleprotection
2.9.7

Setting Notes

General The teleprotection supplement for earth fault protection is only operational if it was set
to one of the available modes during the configuration of the device (address 132).
Depending on this configuration, only those parameters which are applicable to the
selected mode appear here. If the teleprotection supplement is not required the
address 132 is set to Teleprot. E/F = Disabled.
The following modes are possible with conventional transmission links (as described
in Section 2.9):
Dir.Comp.Pickup
UNBLOCKING
BLOCKING
At address 3201 FCT Telep. E/F the use of a teleprotection scheme can be
switched ON or OFF.
If the teleprotection has to be applied to a three terminal line, the setting in address
3202 must be Line Config. = Three terminals, if not, the setting remains Two
Terminals.
244
= Directional Comparison Pickup,
= Directional Unblocking Scheme,
= Directional Blocking Scheme.
7SD5 Manual
C53000-G1176-C169-1