CV3-1500 Datasheet, PDF (1/2 Pages) LEM – Voltage Transducer

Voltage Transducer CV 3-1500
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 = 1000 V
Electrical data
V_PN Primary nominal r.m.s. voltage
1000
V
V
Primary voltage, measuring range
P
0 .. ± 1500
V
V_S
Secondary analog voltage @ V_{P max}
10
V
K
Conversion ratio
N
1500 V / 10 V
R _L Load resistance
≥1
kΩ
C
Capacitive loading
L
≤5
nF
V_C Supply voltage (± 5 %)
± 15
V
I
Current consumption
C
32 + V / R mA
SL
V_d
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) @ 33 % of V
PN
General data
Typ Max
± 0.2 %
± 0.6 %
± 5.0 mV
± 13.0 mV
0.4
900
DC .. 800
µs
V/µs
kHz
T_A
Ambient operating temperature
T_S
Ambient storage temperature
P
Total primary power loss
R
Primary resistance
1
m
Mass
Standards ²⁾
- 40 .. + 85
°C
- 45 .. + 90
°C
2.8
W
360
kΩ
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
030129/7
www.lem.com