Siemens siprotec 7SA522 User Manual

Functions
6-206 7SA522 Manual
C53000-G1176-C119-2
The additional release-signal “!%)5HOHDVH” (if assigned to a binary input) affects all
starting conditions. Initiation can be blocked via the binary input “!%)EORFN” (e.g.
during test of the feeder protection relay). Additionally, an internal blocking option is
provided.
Figure 6-104 Initiation conditions with phase segregated initiation
&
>BF Start L1
>BF Start L2
>BF Start L3
>
1
Start internal w/o I
>BF START 3pole
&
Start L123
Start only L1
Start only L2
Start only L3
>BF Release
not allocated
allocated
„1“
Configuration
Internal blocking
&
>
2
&
&
>
1
>
1
>
1
>
1
>
1
>BF Start w/o I
Start internal 3pole
Start internal L1
Start internal L2
Start internal L3
L1>
CBaux L1 closed
<HV
1R
 &KN%5.&217$&7
>
1
&
&
&
&
L2>
CBaux L2 closed
<HV
1R
>
1
L3>
CBaux L3 closed
<HV
1R
>
1
L2>
L3>
L1>
CBaux ≥1p closed
<HV
1R
>
1
>
1
&
>
1
BF Start
FNo 1432
>BLOCK BkrFail
FNo 1403
FNo 1415
FNo 1439
FNo 1437
FNo 1436
FNo 1435
FNo 1461

Siemens siprotec 7SA522 Specifications

General

Brand	Siemens
Model	siprotec 7SA522
Category	Protection Device
Language	English