Carel emeter1 User Manual

ENG
16
"Carel emeter" +0300044IE rel. 1.5 - 10.11.2017
emeter3
3. OTHER INFORMATIONS
3.1 Accuracy (in accordance with EN 50470-3 and EN 62053-23)
kWh, accuracy (RDG) according to current kVarh, accuracy (RDG) according to current
Limiti di errore di percentuale per classe index B
6A (I
max
)
6A (I
max
)
5A ( I
n
)
5A ( I
n
)
0.25A(I
tr
)
0.25A(I
tr
)
0.05A(I
min
)
Limiti (Energia attiva)
Corrente di avviamento: 10mA
Errore
Limiti (Energia reattiva)
Corrente di avviamento: 10mA
cos M=1
cos M=L0.5
o C0.8
6A (I
max
)
6A (I
max
)
5A (I
n
)
5A (I
n
)
0.25A
0.5A
0.1A
0.25A
sinM=1
sinM=0.5
+1%
0%
+1,5%
-1%
-1,5%
+2%
0%
+2,5%
-2%
-2,5%
Fig. 3.a
3.2 Calculation formulae applied
Single-phase variables System variables Energy metering
Instantaneous eective voltage Equivalent three-phase voltage
Instantaneous active power Three-phase active power
Instantaneous power factor Three-phase apparent power Where:
i= phase considered (L1, L2 or L3);
P= active power;
Q= reactive power;
t1, t2 =start and end of metering period;
n= unit of time;
t= time interval;
n1, n2 = rst and last unit of time in metering
period.
Instantaneous eective current
Three-phase power factor (TPF)
Instantaneous apparent power
Instantaneous reactive power
3.3 List of variables that can be associated
• RS485 communication port
• Pulse output (“energy” only)
Variable Description 1-phase
system
2-phase
system
3-phase, 4-wire balanced system /
3-phase, 3-wire balanced system /
3-phase, 4-wire balanced system /
3-phase, 3-wire balanced system
Note
1 kWh Total energy x x x Total
2 kvarh Total reactive energy x x x Total
3V L-N sys (1) Total voltage phase/neutral o x x sys=system (∑)
4V L1 Voltage phase L1-Nxx x
5V L2 Voltage phase L2-Nox x
6V L3 Voltage phase L3-Noo x
7V L-L sys (1) Voltage phase/phase o x x sys=system (∑)
8V L1-2 Phase to phase voltage L1-L2 o x x
9V L2-3 Phase to phase voltage L2-L3 o o x
10 V L3-1 Phase to phase voltage L3-L1 o o x
11 A L1 Current phase L1 x x x
12 A L2 Current phase L2 o x x
13 A L3 Current phase L3 o o x
14 VA sys (1) Apparent power x x x sys=system (∑)
15 VA L1 (1) Apparent power phase L1 x x x
16 VA L2 (1) Apparent power phase L2 o x x
17 VA L3 (1) Apparent power phase
L3 o o x
18 var sys Total reactive power x x x sys=system (∑)
19 var L1 (1) Total reactive phase L1 x x x
20 var L2 (1) Total reactive phase L2
ox x
Accuracy limits (active Energy)
Start-up current: 10mA
Error
Accuracy limits (active Energy)
Start-up current: 10mA
Percentage limit error for index B class

Carel emeter1 Specifications

General

Brand	Carel
Model	emeter1
Category	Measuring Instruments
Language	English