69
Acuvim-L
The 2
nd
screen: Total tariff maximum current
demand. As shown in Fig. 3-93, I1 =10.12kA,I2 =
10.10kA, I3 = 10.09 kA, Press “V/A” to switch the
screen between maximum power demand and
maximum current demand.
Press “H” to switch the screen under the different
tariffs.
3.9 Acuvim-L Measurement Methods and Parameter Definitions
Almost all the electric parameters in power systems can be measured by the
Acuvim-L series meter. The following section introduces those parameters in
more details.
Voltage (U):
True RMS value of three phase voltages, three line to line voltages
is measured and displayed in the Acuvim-L series meter.
Current (I):
True RMS value of three phase current, neutral current is measured
and displayed in the Acuvim-L series meter.
Power (P):
Three phase power and total system power are measured and
displayed in the Acuvim-L series meter.
Reactive power (Q):
Acuvim-L series meter uses the following two methods for
reactive power calculation.
1. Sinusoidal reactive power. The formula is as follows:
Fig.3-93 Total tariff maximum current
demand
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