46
Parameter
Description
Unit
Vac 10 min max
Maximum admissible average value of the mains voltage over
the last 10 minutes
V
f min 1
Minimum admissible mains frequency (first limit)
Hz
t f min 1
Tripping time for minimum admissible mains frequency
ms
f max 1
Maximum admissible mains frequency (first limit)
Hz
t f max 1
Release time for maximum admissible mains frequency
ms
f min 2
Minimum admissible mains frequency (second limit)
Hz
t f min 2
Tripping time for minimum admissible mains frequency
ms
f max 2
Maximum admissible mains frequency (second limit)
Hz
t f max 2
Tripping time for maximum admissible mains frequency
ms
Iac max
Maximum admissible mains current (per phase)
A
Pac max
Maximum effective power to be fed
W
S max
Maximum apparent power to be fed in
VA
Island detection
Immediate grid disconnection when island operation detected
-
OV Detection
Immediate grid disconnection on detection of transients to Vac -
Restart delay
Delay time before mains reconnection upon previous failure-
related mains disconnection.
s
Pac progression
Maximum increase of the effective power during grid recon-
nection upon previous failure-related grid disconnection.
%/minute
Soft Start
Maximum increase of the active power at grid connection.
Unlike Pac progression, this gradient, if activated, is always
effective (even when starting up in the morning).
W/s
Mains check
Additional monitoring before connecting to the grid
-
- Vac MC max
Maximum admissible mains voltage at mains check
V
- Vac MC min
Minimum admissible mains voltage at mains check
V
- f MC max
Maximum admissible mains frequency at mains check
Hz
- f MC min
Minimum admissible mains frequency at mains check
Hz
- t MC monitoring
Duration of mains check
s
P(f) mode
Frequency-dependent power reduction (1/2/3 off)
- Reduction
Reduction of effective power (Pac) in P(f) mode
%/Hz
- f start
Starting frequency of the P(f) mode
Hz
- f stop
Stop frequency of the P(f) mode
Hz
- f MC max
Maximum admissible mains frequency at mains check in P(f)
mode
Hz
- f MC min
Minimum admissible mains frequency at mains check in P(f)
mode
Hz
- MC time
Duration of mains check in P(f) mode
W/s
- Re-increase
Maximum increase to the maximum effective power Pac max
in P(f) mode
%/minute
Q mode
Reactive power mode (off/cos
φ
/cos
φ
(Pac)/Q/Q(Vac))
-
FRT
Fault ride-through function for dynamic grid support
-
