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Current Transducer LAH 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).
16052
Electrical data
I PN = 100 A
I PN
Primary nominal current rms
100
A
Features
I PM
R M
Primary current, measuring range
Measuring resistance @
1)
0 .. 160
T A = 70°C T A = 85°C
A
? Closed loop (compensated) current
with ± 12 V
with ± 15 V
@ I PN [± A DC ]
@ I PN [A RMS ] 2)
@ I PN [± A DC ]
@ I PN [A RMS ] 2)
@ I P < I PN 3)
R M min R M max R M min R M max
0 63 0 57
0 11 0 5
20 120 45 114
20 51 45 45
?
?
?
?
transducer using the Hall effect
? Printed circuit board mounting
? Insulated plastic case recognized
according to UL 94-V0.
Advantages
ε
I SN
K N
V C
I C
X
L
I O
Secondary nominal current rms
Conversion ratio
Supply voltage (± 5 %)
Current consumption
Accuracy - Dynamic performance data
Accuracy 4) @ I PN, T A = 25°C
Linearity error
Offset current @ T A = 25°C
50 mA
1 : 2000
± 12 .. 15 V
10 (@ ± 15V) + I S mA
± 0.25 %
< 0.15 %
Typ Max
± 0.15 mA
? 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.
Temperature variation of I O
I OM
I OT
t r a
t r
di/dt
Magnetic offset current @ I P = 0 and specified R M ,
after an overload of 5 x I PN
0°C .. + 70°C
- 25°C .. + 85°C
Reaction time @ 10 % of I PN
Response time 5) to 90 % of I PN step
di/dt accurately followed
± 0.10 ± 0.15
± 0.10 ± 0.40
± 0.10 ± 0.50
< 200
< 500
> 200
mA
mA
mA
ns
ns
A/μs
Applications
? AC variable speed drives and servo
motor drives
? Static converters for DC motor drives
? Battery supplied applications
? Uninterruptible Power Supplies
T A
T S
R S
BW Frequency bandwidth (- 1 dB)
General data
Ambient operating temperature
Ambient storage temperature
Secondary coil resistance
m Mass
@ T A = 70°C
@ T A = 85°C
DC .. 200
- 25 .. + 85
- 40 .. + 90
115
121
24
kHz
°C
°C
?
?
g
(UPS)
? Switched Mode Power Supplies
(SMPS)
? Power supplies for welding
applications.
Application domain
Standards
EN 50178: 1997
? Industrial.
Notes :
1)
2 )
3)
For 10 s, with R M ≤ 25 ? ( V C = ± 15 V)
50 Hz Sinusoidal
The measuring resistance R M min may be lower
(see "LAH Technical Information" leaflet)
4)
5)
Without I O & I O M
With a di/dt of 100 A/μs.
Page 1/3
071129/10
LEM reserves the right to carry out modifications on its transducers, in order to improve them, without prior notice.
w w w .lem.com
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