CPT-DIN Advanced Version Carlo Gavazzi Group, CPT-DIN Advanced Version Datasheet - Page 8

• Manufacturer Part Number: CPT-DIN Advanced Version
• Description: Power Transducers
• Manufacturer: Carlo Gavazzi Group

CPT-DIN
Waveform of the signals that can be measured
Used calculation formulas
Phase variables
Instantaneous effective voltage
Instantaneous active power
Instantaneous power factor
Instantaneous effective current
Instantaneous apparent power
Instantaneous reactive power
8
Figure A
Sine wave, undistorted
Fundamental content
Harmonic content
A
Accuracy
kWh, accuracy (RDG) depending on the current
rms
PF=L0.5
+2.5%
+2%
+1.5%
+1%
0%
+1%
+1.5%
+2%
+2.5%
PF=1
or C0.8
=
PF=1
Class 2 accuracy limits (Active energy) EN62053-21
5(6A) Start-up current: 10mA
Error
(0.02In)
(0.05In)
0.10A
0.25A
0.25A
(0.05In)
0.5A
(0.1In)
1.1107 | A |
100%
0%
Class 2
Class 1 (typ)
Class 2
5A (In)
5A (In)
Figure B
Sine wave, indented
Fundamental content
Harmonic content
Frequency spectrum: 3rd to 16th harmonic
Additional error: <1% FS
System variables
Equivalent three-phase voltage
Voltage asymmetry
Three-phase reactive power
Neutral current
Three-phase active power
Three-phase apparent power
A S Y
ASY
An = A
L L
LN
6A (Imax)
6A (Imax)
L1
(
(
V
V
+A
PF=L0.5
or C0.8
+1.5%
+ 1%
- 1%
-1.5%
L L
LN
m a x
max
L2
V
V
LN
+A
L L
Specifications are subject to change without notice
V
V
L3
LN
L L
min
m in
kvarh, accuracy (RDG) depending on the current
)
)
sinϕ=0.5
+4%
+3%
+2.5%
+2%
0%
+2%
+2.5%
+3%
+4%
sinϕ=1
Class 3 accuracy limits (Reactive energy) EN62053-23
5(6A) Start-up current: 10mA
10...100%
Error
0...90%
(0.02In)
(0.05In)
0.25A
0.1A
Figure C
Sine wave, distorted
Fundamental content
Harmonic content
Frequency spectrum: 3rd to 16th harmonic
Additional error: <0.5% FS
Three-phase power factor
Energy metering
Where:
i= considered phase (L1, L2 or L3)
P= active power; Q= reactive power;
t
of consumption recording; n= time
unit;∆t= time interval between two
successive power consumptions;
n
time points of consumption recording
1
1
, t
, n
0.25A
(0.05In)
0.5A
(0.1In)
2
2
=starting and ending time points
= starting and ending discrete
Class 3
Class 2 (typ)
Class 3
5A (In)
5A (In)
CPT-DINADS110706
(TPF)
6A (Imax)
6A (Imax)
70...90%
10...30%