LB100-S Datasheet, PDF (1/2 Pages) LEM – Current Transducer LB 100-S/SP3

Current Transducer LB 100-S/SP3
For the electronic measurement of currents : DC, AC, pulsed...,
with a galvanic isolation between the primary circuit (high power)
and the secondary circuit (electronic circuit).
I_PN = 100 A
Electrical data
I_PN
Primary nominal r.m.s. current
I_P
Primary current, measuring range
R _M Measuring resistance
with ± 15 V
@ ± 100 A _max
@ ± 200 A _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, 50 Hz, 1 mn
Accuracy - Dynamic performance data
X
Accuracy @ I_PN, T_A = 25°C
e
L
Linearity
I_O
I_OT
t_r
di/dt
f
Offset current @ I_P = 0, T_A = 25°C
Thermal drift of I_O
+ 10°C .. + 50°C
Response time ²⁾ @ 90 % of I_PN
di/dt accurately followed
Frequency bandwidth (- 1 dB)
Zero crossing distortion
General data
T_A
Ambient operating temperature
T_S
Ambient storage temperature
R _S Secondary coil resistance @ T_A = 50°C
m
Mass
Standards ³⁾
100
A
0 .. ± 200
A
R_{M min}
R_{M max}
0
85
W
0
30
W
100
mA
1 : 1000
± 15
V
20 + I_S
mA
5 ¹⁾
kV
± 0.5
%
< 0.1
%
Typ Max
± 0.4 mA
± 0.35 ± 0.4 mA
<1
> 50
DC .. 150
negligeable
µs
A/µs
kHz
+ 10 .. + 50 °C
- 25 .. + 85 °C
25
W
180
g
EN 50178
Features
· Closed loop (compensated) current
transducer using the Hall effect
· Insulated plastic case recognized
according to UL 94-V0.
Special features
· V_C = ± 15 (± 5 %) V
· Better zero crossing performance
· T_A = + 10°C .. + 50°C
· Potted.
Advantages
· Excellent accuracy
· Very good linearity
· Low temperature drift
· Optimized response time
· Wide frequency bandwidth
· No insertion losses
· High immunity to external
interference
· Current overload capability.
Applications
· AC variable speed drives and servo
motor drives
· Static converters for DC motor drives
· Battery supplied applications
· Uninterruptible Power Supplies (UPS)
· Switched Mode Power Supplies
(SMPS)
· Power supplies for welding
applications
· HVDC transmisions.
Notes : ¹⁾ Between primary and secondary.
2) _{With a di/dt of 100 A/µs}
3) _{A list of corresponding tests is available.}
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