26
line-CVM-D32
Instruction Manual
Table 5 (Continued): Line-CVM-D32 measurement parameters�
Parameter
Units
Phases
L1-L2-L3
Total
III
Value
Max�
Value
Mini�
Voltage interruption meter
(2)
-
-
-
Parameter
Units
T1-T2-T3-T4
Total
Nº of hours of active energy consumed
hours
Nº of hours of Active Energy generated
hours
Cost of consumed Active Energy
EUR
Cost of generated Active Energy
EUR
CO
2
emissions
from consumed Active Energy
kgCO
2
CO
2
emissions
from generated Active Energy
kgCO
2
(2)
Variables only displayed via communications, see
�
4�1�1�- QUALITY PARAMETERS
For power supply quality control, the voltage levels to be used by the device to log an event must be
defined at true RMS value. According to the
EN-61000-4-30
Standard, the RMS value for all AC magni-
tudes must be calculated in each cycle, being refreshed every ½ cycle. If the RMS value exceeds certain
programmed thresholds, an
event
is said to have occurred.
The device detects quality events such as overvoltages, gaps and voltage interruptions.
shows
an example of these events.
Figure 22: Example of Quality Events�
Overvoltage
In the time interval
t0
an overvoltage event is illustrated. The duration of the event match-
es the time the signal is above the set threshold value (
“6.2.2.- OVERVOLTAGES AND GAPS"
), in this
example it is 110% of the nominal voltage, plus the time it takes for the signal to decrease from the
value, including a 2% hysteresis.