Voltage Transducer CV 3-500
VPN = 350 V
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).
Electrical data
VPN
VP
VS
KN
RL
CL
VC
IC
Primary nominal r.m.s. voltage
Primary voltage, measuring range
Secondary analog voltage @ VP max
Conversion ratio
Load resistance
Capacitive loading
Supply voltage (± 5 %)
Current consumption
R.m.s. voltage for AC isolation test, 50 Hz, 1 mn
R.m.s. voltage for partial discharge extinction @ 10 pC 2
350
0 .. ± 500
10
500 V / 10 V
1
£ 5
± 15
V
V
V
Features
· Closed loop (compensated) voltage
transducer
· Insulated plastic case recognized
according to UL 94-V0
kW
nF
V
mA
kV
kV
· Patent pending.
32 + VS /RL
6
Vd
Ve
Advantages
· Excellent accuracy
· Very good linearity
· Low thermal drift
Accuracy - Dynamic performance data
· Low response time
· High bandwidth
· High immunity to external
interference
Typ
Max
± 0.2
± 0.6
± 5.0 mV
± 13.0 mV
XG
VO
Overall accuracy @ VP max
Offset voltage @ VP = 0
TA = 25°C
- 40°C .. + 85°C
TA = 25°C
%
%
· Low disturbance in common mode.
- 40°C .. + 85°C
tr
Response time1) @ 90 % of VPN
0.3
500
µs
V/µs
Applications
dv/dt dv/dt accurately followed
f
Frequency bandwidth (- 1 dB) @ VPN
DC .. 300
kHz
· AC variable speed drives and servo
motor drives
General data
· Static converters for DC motor drives
· Uninterruptible Power Supplies
(UPS)
· Power supplies for welding
applications.
TA
TS
P
R1
m
Ambient operating temperature
Ambient storage temperature
Total primary power loss
Primary resistance
Mass
- 40 .. + 85
- 45 .. + 90
3.1
40
560
°C
°C
W
kW
g
Standards 2)
EN 50155
1)
Notes : With a dv/dt of 500 V/µs
2)
A list of corresponding tests is available.
011107/8
LEM Components
www.lem.com