Carel emeter1 User Manual

ENG
25
"Carel emeter" +0300044IE rel. 1.5 - 10.11.2017
emeter3 SE
3.3 Calculation formulae applied
Single-phase variables System variables Energy metering
Instantaneous eective voltage Equivalent system voltage
Instantaneous active power System active power
Instantaneous power factor System 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 System power factor
Instantaneous apparent power
Instantaneous reactive power
3.4 List of variables that can be associated
• RS485 communication port
• Pulse output (“energy” only)
No. Variable 1-phase system
2-phase
system
3-phase, 4-wire
balanced
system
3-phase, 3-wire
balanced system
3-phase, 4-wire
unbalanced
system
3-phase, 3-wire
unbalanced
system
Remarks
1 kWh x x x x x x Total (2)
2 kVarh xx x x x x Total (3)
3 V L-N sys (1) o x x x x x sys=system (Σ)
4 V L1 x x x x x x
5 V L2 o x
x x x x
6 V L3 o o x x x x
7 V L-L sys (1) o x x x x x sys=system (Σ)
8 V L1-2 o x x x x x
9 V L2-3 o o x x x x
10 V L3-1 o
o x x x x
11 A L1 x x x x x x
12 A L2 o x x x x x
13 A L3 o ox x x x
14 VA sys (1) x x x x x x sys=system (Σ)
15 VA L1 (1) x x x x x x
16 VA L2
(1) o x x x xx
17 VA L3 (1) o o x x x x
18 var sys x x x x x x sys=system (Σ)
19 var L1 (1) x x x x x x
20 var L2 (1) o x x x x x
21 var L3 (1) o
o x x x x
22 W sys x x x x x x sys=system (Σ)
23 W L1 (1) x x x x x x
24 W L2 (1) o x x x x x
25 W L3 (1) o o x x x x
26 PF sys x x x x
x x sys=system (Σ)
27 PF L1 x x x x x x
28 PF L2 o x x x x x
29 PF L3 o o x x x x
30 Hz x xx x x x
31 Phase sequence o
o x x x x
32 THD VL1N x x x x o o Only if THD
is enabled
33 THD VL2N o x x x o o Only if THD is enabled
34 THD VL3N o o x x o o Only if THD is enabled
35 THD A L1 x x x x x x Only if THD is enabled
36 THD A L2 o x x x x x Only if THD is enabled
37 THD A L3 o o x x x x Only if THD is enabled
38 THD V L1-2 o x x x x x Only if THD is enabled
39 THD V L2-3 o o x x x x Only if THD
is enabled
40 THD V L3-1 o o x x x x Only if THD is enabled
41 A noxoxoo
Tab. 3.f
(x) = available
(or) = not available (zero shown on the display)
(1) = variable only available via RS485 serial communication port
(2) = also kWh- (exported) with application E (see next table)
(3) = sum (not algebraic) of kVarh imported and exported with application
F (see next table)

Carel emeter1 Specifications

General

Brand	Carel
Model	emeter1
Category	Measuring Instruments
Language	English