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CV4-4000 Datasheet, PDF (1/2 Pages) LEM – Voltage Transducer CV 4-4000
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).
VPN = 2828 V
Electrical data
VPN Primary nominal r.m.s. voltage
VP Primary voltage, measuring range
VS
Secondary analog voltage @ VP max
KN Conversion ratio
R L Load resistance
C L Capacitive loading
VC
Supply voltage (± 5 %)
IC
Current consumption
Vd
R.m.s. voltage for AC isolation test, 50 Hz, 1 mn
Accuracy - Dynamic performance data
XG
Overall accuracy @ VP max
VO
Offset voltage @ VP = 0
TA = 25°C
- 25°C .. + 70°C
TA = 25°C
- 25°C .. + 70°C
tr
Response time 1) @ 90 % of VPN
f
Frequency bandwidth (- 3 dB) @ 50 % of VPN
General data
TA
Ambient operating temperature
TS
Ambient storage temperature
P
Total primary power loss
R 1 Primary resistance
m Mass
Standards 2) 3)
2828
V
0 .. ± 4000
V
10
V
4000 V / 10 V
≥2
kΩ
≤5
nF
± 15
V
35 + VS / R L m A
9
kV
Typ Max
±1 %
±2 %
± 30 m V
± 60 m V
≅ 25
µs
DC .. 11
kHz
- 25 .. + 70
°C
- 40 .. + 85
°C
2.86
W
2.8
MΩ
600
g
EN 50155
EN 50178
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.
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 1000 V/µs
2) Specifications according to IEC 1000-4-3 are not guaranteed around
100 MHz. Sensitivity to induced radiation on connecting cable.
3) A list of corresponding tests is available.
LEM Components
000613/2
www.lem.com