Protection Data Interfaces And Differential Protection Topology - Siemens siprotec 7SD610 User Manual

4.2

Protection Data Interfaces and differential protection topology

Differential Protection Topology
Number of devices for one protected object
(=number of ends delimited by the current transformer)
Protection Data Interfaces
Number
Connection optical fibre
For flush mounting housing
for surface-mounting case
Connection modules for protection data interface, depending on the order variant:
Module in the Connector Type Fibre Type
Device
1)
FO5 ST
1)
FO6 ST
2)
FO17 LC
2)
FO18 LC
2)
FO19 LC
Laser class 1 acc. to EN 60825-1/ -2 using glass fibre 62.5/125 µm
1)
Laser class 1 acc. to EN 60285-1/-2 when using glass fibre 9/125 µm
2)
7SD610 Manual
C53000-G1176-C145-4
4.2 Protection Data Interfaces and differential protection topology
1
Mounting location „D"
On the rear side
In console housing at device bottom
Optical
Wavelength
Multimode 820 nm
62.5/125 µm
Multimode 820 nm
62.5/125 µm
Monomode 1300 nm
9/125 µm
Monomode 1300 nm
9/125 µm
Monomode 1550 nm
9/125 µm
2
Perm. path Distance, maximum
attenuation
8 dB 1.5 km (0.93 miles)
16 dB 3.5 km (2.2 miles)
13 dB 24 km (15.0 miles)
29 dB 60 km (37.5 miles)
29 dB 100 km (62.5 miles)
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