ABB | SACE Emax 2
Ekip Touch - Measurements
3 - Class 1 Power & Energy Metering
120 | © 2023 ABB | 1SDH001330R1002 - ECN000297030
3 - Class 1 Power & Energy Metering
List and performance
Presence of the
Class 1 Power & Energy Metering
package allows higher measuring accuracy to be
obtained for the following quantities:
Measurement Monitor time (min-max) Normal operating range
Accuracy of
read value
Phase currents
(6) (8)
0,004 ÷ 64 In
Standard IEC 61557-12,
tables 20-22
0,5 %
(1)
Internal earth fault current
(2)
0,08 ÷ 64 In
Standard IEC 61557-12,
table 20
0,5 %
(1)
Line frequency 30 ÷ 80 Hz
(3)
fn ± 10 %
(4)
± 0,02 Hz
Total active and apparent
power
(7)
|Pmin ÷ Pmax|
(5)
Standard IEC 61557-12,
tables 8-11-14
1 %
(1)
Active and apparent phase
power
|Pmin ÷ Pmax|
(5)
Standard IEC 61557-12,
tables 8-11-14
1 %
(1)
Total active and apparent
energy
1 kWh ÷ 2 TWh; 1 kVARh ÷ 2
TVARh; 1 kVAh ÷ 2 TVAh
Standard IEC 61557-12,
tables 8-11-14
1 %
(1)
Power factor 0,5 ÷ 1
Standard IEC 61557-12,
table 27
1%
(1)
(1)
the accuracy values refer to the normal operating intervals and conditions established by IEC
61557-12, for each quantity and class declared
(2)
available with LSIG versions
(3)
available for voltage values of over 30 V (with Un < 277 V) or 60 V (with Un ≥ 277 V)
(4)
47 ÷ 55 Hz with fn = 50 Hz; 54 ÷ 66 Hz with fn = 60 Hz
(5)
Pmin = 0,0625 In x 5 V; Pmax= 3 x 16 In x 900 V
(6)
the higher phase currents are also available in the Histograms, Measuring instruments and
Measurement summary pages
(7)
the higher total powers are also available in the Measuring instruments and Measurement
summary pages
(8)
internal phase current; in the presence of an external Neutral, the accuracy of current Ne is 1%
Functional characteristics
The measuring performance of the
Class 1 Power & Energy Metering
package is guaranteed in the
following conditions (from table 43 of standard IEC 61557-12):
Characteristic Value
Power supply Vaux auxiliary power supply
Classification of performance measuring
and monitoring device (PMD) in accordance
with chapter 4.3 of the standard
PMD-DD
Temperature
Operating: T= -25°C to +70°C; Storage: T = -30°C to
+70°C; Class: K70
humidity and altitude
Up to 90% relative humidity without condensation;
From 0 to 2000 meters
Performance class for active energy and
power
1
Information page
Presence of the
Class 1 Power & Energy Metering
package activates the IEC 61557-12 information page,
which can be consulted in the
About
menu
Figure 29
The page shows the activation state of the
Class 1 Power & Energy Metering
package (
Activated
/
Deactivated
) and the serial numbers of certain accessories installed on the CB for the specific purpose of
conforming to the characteristics of the package (electronic units and internal current sensors)
To Next Page
Loading...
