Siemens Reyrolle 7SR5 Manual page 58
Transformer protection device
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Also See for Reyrolle 7SR5:
- Operating manual (146 pages) ,
- Manual (54 pages) ,
- Device manual (556 pages)
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Device Functionality
3.3 CT and VT Inputs
Parameter: CT1/2/3 Ratio Sec
•
Default setting: 1
The setting value is used (in conjunction with CT1/2/3 Ratio Prim setting) by the device instrumen-
tation e.g. to display primary current values.
Parameter: CT5/6/7 Nominal
•
Default setting: 2000
This setting is used to select the device CT input measuring range for the 3 line CT inputs. The setting
value is used by the device instrumentation e.g. to display ⋅ I
Parameter: CT5/6/7 Ratio Prim
•
Default setting: 1A
The setting value is used (in conjunction with CT5/6/7 Ratio Sec setting) by the device instrumenta-
tion e.g. to display primary current values.
Parameter: CT5/6/7 Ratio Sec
•
Default setting: 1
The setting value is used (in conjunction with CT5/6/7 Ratio Prim setting) by the device instrumen-
tation e.g. to display primary current values.
Parameter: CT9/10/11 Nominal
•
Default setting: 2000
This setting is used to select the device CT input measuring range for the 3 line CT inputs. The setting
value is used by the device instrumentation e.g. to display ⋅ I
Parameter: CT9/10/11 Ratio Prim
•
Default setting: 1A
The setting value is used (in conjunction with CT9/10/11 Ratio Sec setting) by the device instrumen-
tation e.g. to display primary current values.
Parameter: CT9/10/11 Ratio Sec
•
Default setting: 1
The setting value is used (in conjunction with CT9/10/11 Ratio Prim setting) by the device instru-
mentation e.g. to display primary current values.
Parameter: CT4 Nominal
•
Default setting: 2000
This setting is used to select the device CT input measuring range for CT4 inputs. The setting value is
used by the device instrumentation e.g. to display ⋅ I
Parameter: CT4 Ratio Prim
•
Default setting: 1A
The setting value is used (in conjunction with CT4 Ratio Sec setting) by the device instrumentation
e.g. to display primary current values.
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Reyrolle 7SR5, Transformer Protection Device, Device Manual
C53000-G7040-C015-1, Edition 11.2019
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