Siemens siprotec 7SA6, Manual

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Technical Data
10-27
7SA6 Manual
C53000-G1176-C156
10.6 Earth Fault Protection Teleprotection Schemes (optional)
Mode For two line ends with one channel for each direction
with three channels for each direction
For three line ends with one channel for each direction and
oposite line end
Comparison
Schemes Schemes directional comparison pickup scheme
directional unblocking scheme
directional blocking scheme
Application 2-terminal lines
3-terminal lines
multi-terminal lines via CFC
Send signal prolongation 0.00 s to 30.00 s (steps 0.01 s)
Release signal prolongation 0.000 s to 30.000 s (steps 0.001 s)
Transient blocking time 0.00 s to 30.00 s (steps 0.01 s)
Waiting time for transient blocking 0.00 s to 30.00 s;
∞
(steps 0.01 s)
Echo delay time 0.00 s to 30.00 s (steps 0.01 s)
Echo impulse duration 0.00 s to30.00 s (steps 0.01 s)
Time expiry tolerances 1 % of set value or 10 ms
The set times are pure delay times
.
Overreach
schemes via
protection data
interface
(optional)
Methods Directional comparison pickup scheme
Send signal prolongation 0.00 s to 30.00 s (steps 0.01 s)
Release signal prolongation 0.000 s to 30.000 s (steps 0.001 s)
Transient blocking time 0.00 s to 30.00 s (steps 0.01 s)
Waiting time for transient blocking 0.00 s to 30.00 s;
∞
(steps 0.01 s)
Echo delay time 0.00 s to 30.00 s (steps 0.01 s)
Echo pulse duration 0.00 s to30.00 s (steps 0.01 s)
Time expiry tolerances 1 % of set value or 10 ms
The set times are pure delay times