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CV3-2000 Datasheet, PDF (1/2 Pages) LEM – Voltage Transducer | |||
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Voltage Transducer CV 3-2000
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).
VPN = 1400 V
Electrical data
VPN Primary nominal r.m.s. voltage
1400
V
V
Primary voltage, measuring range
P
0 .. ± 2000
V
VS
Secondary analog voltage @ VP max
10
V
K
Conversion ratio
N
2000 V / 10 V
R L Load resistance
â¥1
kâ¦
C
Capacitive loading
L
â¤5
nF
VC Supply voltage (± 5 %)
± 15
V
I
Current consumption
C
32 + V / R mA
SL
Vd
R.m.s. voltage for AC isolation test, 50 Hz, 1 mn
6
kV
V
R.m.s. voltage for partial discharge extinction @ 10 pC 2
kV
e
Accuracy - Dynamic performance data
X
Overall accuracy @ V
G
P max
V
Offset voltage @ V = 0
O
P
T = 25°C
A
- 40°C .. + 85°C
T = 25°C
A
- 40°C .. + 85°C
t
Response time 1) @ 90 % of V
r
P max
dv/dt dv/dt accurately followed
f
Frequency bandwidth (- 1 dB) @ 25 % of V
PN
General data
Typ Max
± 0.2 %
± 0.6 %
± 5.0 mV
± 13.0 mV
0.4
900
DC .. 300
µs
V/µs
kHz
TA
Ambient operating temperature
TS
Ambient storage temperature
P
Total primary power loss
R
Primary resistance
1
m
Mass
Standards 2)
- 40 .. + 85
°C
- 45 .. + 90
°C
3.1
W
640
kâ¦
560
g
EN 50155
Features
⢠Closed loop (compensated) voltage
transducer
⢠Insulated plastic case recognized
according to UL 94-V0
⢠Patent pending.
Advantages
⢠Excellent accuracy
⢠Very good linearity
⢠Low thermal drift
⢠Low response time
⢠High bandwidth
⢠High immunity to external
interference
⢠Low disturbance in common mode.
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.
Notes : 1) With a dv/dt of 900 V/µs
2) A list of corresponding tests is available
LEM Components
030129/8
www.lem.com
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