Development and production of systems for measurement and control
7.3.1. Main parameters
Parameter
Description
Factory settings
Settings range
Type of connection
Defines the type of network and measuring circuit connection
3UN_4I
table
Nominal voltage
Network nominal phase voltage
230 V
1V ... 750 kV
Nominal current
Network nominal phase current
5 A
1A ... 750 kA
System frequency
Defines the nominal system frequency
50 Hz
45 ... 75 Hz
Flicker
Parameter of the nominal voltage and frequency for flicker calculation
230V - 50Hz
120/230V, 50/60Hz
Voltage transformer ratio
Enable the usage of measuring voltage transformer
No
No / Yes
Primary voltage
230V
1 ... 750 kV
Secondary voltage
230V
1 ... 750 kV
Current transformer ratio
No
No / Yes
Primary current
1A
1 ... 750 kA
Secondary current
1A
1 / 5 A
Type of averaging
Type of averaging method
Static
Static / Sliding
Averaging period
Time for averaging period setting
5s
1 ... 3600s
Storage interval
Interval of energy meters profile
15 min
15, 30, 45, 60 min
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