Subject to modifications and errors
Page 12 of 71
2019-06-26 edition
3.3
Overview of the implemented configurations
3.3.1
CEI 0-21
•
Selectable connection mode (1-phase, 3-phase)
•
Selectable operational mode (transitory mode / definitive mode)
•
Selectable feedback contact (normally opened/normally closed)
•
1 overvoltage threshold - phase to phase voltage (automatic selection depending on connection
mode)
•
2 undervoltage thresholds - phase to phase voltage (automatic selection depending on connection
mode)
•
1 overvoltage threshold - phase-to-neutral voltage (automatic selection depending on connection
mode)
•
2 undervoltage threshold - phase-to-neutral voltage (automatic selection depending on connection
mode)
•
10 minutes average overvoltage threshold
•
3 switchable over-frequency thresholds (switchover via operational mode and digital inputs)
•
3 switchable under-frequency thresholds (switchover via operational mode and digital inputs)
•
Turn-on delay
3.3.2
VDE 0126
•
Selectable feedback contact (normally
opened/normally closed)
•
1 Overvoltage threshold - phase to phase voltage
•
1 Undervoltage threshold - phase to phase voltage
•
1 Overvoltage threshold - phase-to-neutral voltage
•
1 Undervoltage threshold - phase-to-neutral voltage
•
10 minutes average overvoltage threshold
•
1 Overfrequency threshold
•
1 Underfrequency threshold
•
1 Random over-frequency threshold (can be activated if required)
•
Turn-on delay
•
Random turn-on delay (can be activated if required)
3.3.3
VDE-AR-N 4105 (Pn
≤
50 kW)
•
Selectable feedback contact (normally closed / normally open)
•
1 Overvoltage threshold - phase to phase voltage
•
1 Undervoltage threshold - phase to phase voltage
•
1 Overvoltage threshold - phase-to-neutral voltage
•
1 Undervoltage threshold - phase-to-neutral voltage
•
10-minute average Overvoltage threshold
•
1 Overfrequency threshold
•
1 Underfrequency threshold
•
1 random over-frequency threshold (can be activated if required)
•
switch-on delay
•
random switch-on delay (can be activated if required)
3.3.4
VDE-AR-N 4105 (Pn > 50 kW)
•
Selectable feedback contact (normally closed / normally open)
•
-1 Overvoltage threshold - phase to phase voltage
•
2 undervoltage thresholds - phase to phase voltage
•
1 Overvoltage threshold - phase-to-neutral voltage
•
2 undervoltage thresholds - phase-to-neutral voltage
•
10-minute average Overvoltage threshold
•
1 Overfrequency threshold
•
1 Underfrequency threshold
•
1 random over-frequency threshold (can be activated if required)
•
switch-on delay
•
random switch-on delay (can be activated if required)