Voltage Transducer DCVT 1000/SP1
For the electronic measurement of DC voltages with a galvanic
isolation between the primary circuit (high voltage) and the secondary
circuit (electronic circuit).
V
PN
= 1000 V
Preliminary
All Data are given with a R
L
= 10 kΩ
Electrical data
V
PN
V
Pmax
V
P
R
P
R
L
V
OUT
Primary nominal voltage
Primary voltage measuring range
Not measurable overload
Primary input resistance
Load impedance
Output voltage
1)
1000
V DC
56 .. 1400
V DC
3000 (1s/h)
V
DC
appr. 97.5
MΩ
10
kΩ
V
OUT
= a x
V
P
- b V
a = 0.01 ± 0.5 %
b = 0.3 ± 0.1
appr. 1
mA/kV
5.5
kV
2.2
kV
Features
•
Self-Powered
•
Insulated plastic case recognized
according to UL 94-V0
•
Included primary resistor
I
C
V
d
V
e
Current consumption
R.m.s. voltage for AC isolation test, 50 Hz,1 min
R.m.s. voltage for partial discharge
extinction @ 10pC
Advantages
•
Low power consumption
•
Very good linearity
•
Low thermal drift
•
High immunity to external
interference
•
Low disturbance in common mode
Accuracy-Dynamic performance data
X
G
X
G
ε
t
r
L
Overall Accuracy @
V
PN
,
T
A
= +25°C
Overall Accuracy @
V
PN
,
T
A
= -15 .. +70°C
Linearity @
T
A
= 25°C
Response time @ 10% of
V
PN
±1.5
±3.5
< ±0.5
< 100
%
%
%
µs
Applications
•
Static converters for DC motor drives
•
Battery supplied applications
•
Uninterruptible Power Supplies
(UPS)
•
DC voltage monitoring
General data
T
A
T
S
dCp
dCl
CTI
Ambient operating temperature
Ambient storage temperature
Creepage distance
Clearance distance
Comparative tracking index (Group )
UL94 classification
Potting material
Mass
-15 .. +70
°C
-25 .. +85
°C
> 10
mm
none
600
V
V0
Polyurethane resin, UL94 V0
appr. 400
g
m
This is customer specific model.
Utilization restricted to agreed specifications.
Notes :
1)
See graphical presentation of transfer function overleaf.
041005/0
LEM Components
www.lem.com
Dimensions DCVT 1000/SP1
(in mm. 1mm = 0.0394 inch)
Front view
2m
100
Left view
2m
100
48
28
HT+
HT-
124
138
40
63
Top view
Vout
d6.5
13.7
9.7
30
a
0.26
0
-b
56
1000
1400
Vp
Vout=a*Vp-b --> Vp=(Vout+b)/a
a=0.01 +/-0.5%
b=0.3 +/-0.1
Mechanical characteristics
•
General tolerance
•
Transducer fastening
± 1 mm
2 holes
∅
6.5 mm
124 mm
Remark
•
I
S
is positive when
V
P
is applied on terminal +HT.
Distance between holes
•
Connection
Primary
2m halogen free 1 x 1.5 mm
2
cable
Secondary 2m halogen free 2 x 0.5 mm
2
+ EMC screen
•
Recommended fastening torque
2.2 Nm or 1.62 Lb-Ft.
LEM reserves the right to carry out modifications on its transducers, in order to improve them, without previous notice.
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