SMA PPM-10 Installation Manual page 66

10 Technical Data
Tolerances of the measuring modules of simple current and voltage measurement and synchronization
Frequency measurement
Energy and power measurement (reference value: nomi-
nal apparent power of the measuring module)
Tolerances of the measuring modules for high-precision current and voltage measurement as well as
twice executed high-precision current and voltage measurement
Voltage measurement (reference value: nominal voltage
of the measuring module)
Current measurement (reference value: nominal current
of the measuring module)
Frequency measurement
Energy and power measurement (reference value: nomi-
nal apparent power of the measuring module)
Tolerances of the measuring modules of high-precision current and voltage measurement and synchro-
nization
Voltage measurement (reference value: nominal voltage
of the measuring module)
Current measurement (reference value: nominal current
of the measuring module)
Frequency measurement
Energy and power measurement (reference value: nomi-
nal apparent power of the measuring module)
Reverse power limits for gensets
Maximum permitted reverse power of a genset relative to
its nominal power
Standby time until required grid disconnection at a re-
verse power of 30%*
Standby time until required grid disconnection at a re-
verse power of 10% to 30%*
Standby time until required grid disconnection at a re-
verse power of 5% to 10%*
Grid disconnection at a reverse power of less than 5%*
* In relation to the nominal power of the genset
Overload limits for gensets
Maximum permitted overload of a genset relative to its
nominal power
Standby time until required grid disconnection at an over-
load of 20%*
66 PPM-10-IA-en-16
SMA Solar Technology AG
-0.01 Hz to +0.01 Hz
-0.4% to +0.4%
-0.1% to +0.1%
-0.1% to +0.1%
-0.001 Hz to +0.001 Hz
-0.2% to +0.2%
-0.15% to +0.15%
-0.08% to +0.08%
-0.004 Hz to +0.004 Hz
-0.2% to +0.2%
30 %
at least 0.3 s
at least 1 s
at least 3 s
is prohibited
20 %
at least 0.3 s
Installation Manual