LA100-P_06 Datasheet, PDF (1/2 Pages) LEM – Current Transducer

Current Transducer LA 100-P
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
16019
I
Primary nominal r.m.s. current
PN
I_P
Primary current, measuring range
R
Measuring resistance @
M
100
A
0 .. ± 150
A
T = 70°C T = 85°C
A
A
R R R R _{M min M max M min M max}
with ± 12 V
with ± 15 V
@ ± 100 A _max
@ ± 120 A _max
@ ± 100 A _max
@ ± 150 A
max
0 50 0 42 Ω
0 22 0 14 Ω
0 110 20 102 Ω
0 33 20 25 Ω
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
50
mA
1 : 2000
± 12 .. 15
V
10 (@ ±15 V) + I_S mA
2.5
kV
Accuracy - Dynamic performance data
X
Accuracy @ I_PN , T_A = 25°C
@ ± 15 V (± 5 %) ± 0.45
%
@ ± 12 .. 15 V (± 5 %) ± 0.70
%
ε_L
Linearity
< 0.15
%
Typ Max
I_O
Offset current @ I_P = 0, T_A = 25°C
± 0.10 mA
I
Residual current ¹⁾ @ I = 0, after an overload of 3 x I
OM
P
PN
± 0.15 mA
I_OT
Thermal drift of I_O
- 25°C .. + 85°C ± 0.05 ± 0.25 mA
- 40°C .. - 25°C ± 0.10 ± 0.50 mA
t_ra
t_r
di/dt
f
Reaction time @ 10 % of I_PN
Response time ²⁾ @ 90 % of I_PN
di/dt accurately followed
Frequency bandwidth (- 1 dB)
< 500
<1
> 200
DC .. 200
ns
µs
A/µ s
kHz
General data
T_A
Ambient operating temperature
T
Ambient storage temperature
S
R _S Secondary coil resistance @
m
Mass
Standards ³⁾
T_A = 70°C
T = 85°C
A
- 40 .. + 85
°C
- 50 .. + 95
°C
120
Ω
128
Ω
18
g
EN 50178 : 1997
Features
• Closed loop (compensated) current
transducer using the Hall effect
• Printed circuit board mounting
• Insulated plastic case recognized
according to UL 94-V0.
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.
Notes : ¹⁾ The result of the coercive field of the magnetic circuit
2) _{With a di/dt of 100 A/µs}
3) _{A list of corresponding tests is available.}
LEM
LEM reserves the right to carry out modifications on its transducers, in order to improve them, without previous notice.
060201/8
page 1/2
www.lem.com