Voltage Transducer CV 4-4000
For the electronic measurement of voltages : DC, AC, pulsed...,
with a galvanic isolation between the primary circuit (high voltage)
and the secondary circuit (electronic circuit).
V
PN
=
2828 V
Electrical data
V
PN
V
P
V
S
K
N
R
L
C
L
V
C
I
C
V
d
Primary nominal r.m.s. voltage
Primary voltage, measuring range
Secondary analog voltage @
V
P max
Conversion ratio
Load resistance
Capacitive loading
Supply voltage (± 5 %)
Current consumption
R.m.s. voltage for AC isolation test, 50 Hz, 1 mn
2828
0 .. ± 4000
10
4000 V / 10 V
≥
2
≤
5
± 15
35 +
V
S
/
R
L
9
V
V
V
kΩ
nF
V
mA
kV
Features
•
Closed loop (compensated) voltage
transducer
•
Insulated plastic case recognized
according to UL 94-V0
•
Patent pending.
Advantages
•
•
•
•
Very good linearity
Low thermal drift
Low response time
High bandwidth.
Accuracy - Dynamic performance data
Typ
X
G
V
O
t
r
f
Overall accuracy @
V
P max
Offset voltage @
V
P
= 0
1)
T
A
= 25°C
- 25°C .. + 70°C
T
A
= 25°C
- 25°C .. + 70°C
Max
±1
±2
± 30
± 60
%
%
mV
mV
µs
kHz
Applications
•
AC variable speed drives and servo
•
•
•
motor drives
Static converters for DC motor drives
Uninterruptible Power Supplies
(UPS)
Power supplies for welding
applications
Railway overhead line voltage
measurement.
Response time @ 90 % of
V
PN
Frequency bandwidth (- 3 dB) @ 50 % of
V
PN
≅
25
DC .. 11
General data
T
A
T
S
P
R
1
m
Ambient operating temperature
Ambient storage temperature
Total primary power loss
Primary resistance
Mass
Standards
2) 3)
- 25 .. + 70
- 40 .. + 85
2.86
2.8
600
EN 50155
EN 50178
°C
°C
W
MΩ
g
•
Notes :
1)
2)
3)
With a dv/dt of 1000 V/µs
Specifications according to IEC 1000-4-3 are not guaranteed around
100 MHz. Sensitivity to induced radiation on connecting cable.
A list of corresponding tests is available.
000613/2
LEM Components
www.lem.com
LEM [ LEM ]
