LV100 Datasheet, PDF (1/2 Pages) LEM – Voltage Transducer LV 100

Voltage Transducer LV 100
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).
I_PN = 10 mA
V = 100 .. 2500 V
PN
Electrical data
I
Primary nominal r.m.s. current
PN
I_P
Primary current, measuring range
R
Measuring resistance
M
with ± 15 V
@ ± 10 mA
max
@ ± 20 mA _max
I_SN
Secondary nominal r.m.s. current
K _N Conversion ratio
V_C Supply voltage (± 5 %)
I_C
Current consumption
V_d
R.m.s. voltage for AC isolation test ¹⁾, 50 Hz, 1 mn
Accuracy - Dynamic performance data
εX G
L
Overall Accuracy @ I_PN , T_A = 25°C
Linearity
I
Offset current @ I = 0, T = 25°C
O
P
A
I_OT
Thermal drift of I_O
0°C .. + 70°C
t
Response time ²⁾ @ 90 % of V
r
P max
General data
T_A
Ambient operating temperature
T
Ambient storage temperature
S
R _P Primary coil resistance @ T_A = 70°C
R
Secondary coil resistance @ T = 70°C
S
A
m
Mass
Standards ³⁾
10
mA
0 .. ± 20
mA
R
M min
R
M max
0
150 Ω
0
50
Ω
50
mA
10000 : 2000
± 15
V
10 + I_S
mA
6
kV
± 0.7
%
< 0.1
%
Typ Max
± 0.2 mA
± 0.2 ± 0.3 mA
20 .. 100
µs
0 .. + 70
°C
- 25 .. + 85
°C
1900
Ω
60
Ω
460
g
EN 50178
Features
•Closed loop (compensated) voltage
transducer using the Hall effect
•Insulated plastic case recognized
according to UL 94-V0.
Principle of use
•For voltage measurements, a current
proportional to the measured voltage
must be passed through an external
resistor R ₁ which is selected by the
user and installed in series with the
primary circuit of the transducer.
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
•Battery supplied applications
•Uninterruptible Power Supplies
(UPS)
•Power supplies for welding
applications.
Notes : ¹⁾ Between primary and secondary
2) _{R 1 = 100 kΩ (L/R constant, produced by the resistance and inductance}
of the primary circuit)
3) _{A list of corresponding tests is available}
980709/5
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