LAH100-P_07 Datasheet, PDF (1/3 Pages) LEM – Current Transducer

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).
I_PN = 100 A
Electrical data
16052
I_PN
Primary nominal current rms
I_PM
Primary current, measuring range ¹⁾
R_M Measuring resistance @
with ± 12 V
@ I_PN [± A _DC ]
@ I [A ] 2)
PN RMS
with ± 15 V
@ I_PN [± A _DC ]
@ I [A ] 2)
PN RMS
@ I_P < I_PN ³⁾
I
Secondary nominal current rms
SN
K _N Conversion ratio
V
Supply voltage (± 5 %)
C
I_C
Current consumption
100
A
0 .. 160
A
T_A = 70°C T_A = 85°C
R_{M min} R_Mmax R_{M min} R_Mmax
0 63 0 57 Ω
0 11 0 5 Ω
20 120 45 114 Ω
20 51 45 45 Ω
50
mA
1 : 2000
± 12 .. 15
V
10 (@ ± 15V) + I mA
S
Accuracy - Dynamic performance data
X
ε_L
Accuracy ⁴⁾ @ I_PN, T_A = 25°C
Linearity error
± 0.25
%
< 0.15
%
Typ Max
I_O
Offset current @ T_A = 25°C
± 0.15 mA
I
Magnetic offset current @ I = 0 and specified R ,
OM
P
M
after an overload of 5 x I_PN ± 0.10 ± 0.15 mA
I
Temperature variation of I
OT
O
0°C .. + 70°C ± 0.10 ± 0.40 mA
- 25°C .. + 85°C ± 0.10 ± 0.50 mA
t_{r a}
t_r
di/dt
BW
Reaction time @ 10 % of I_PN
Response time ⁵⁾ to 90 % of I_PN step
di/dt accurately followed
Frequency bandwidth (- 1 dB)
General data
< 200
< 500
> 200
DC .. 200
ns
ns
A/µ s
kHz
T_A
Ambient operating temperature
T
Ambient storage temperature
S
R _S Secondary coil resistance
m
Mass
Standards
@ T_A = 70°C
@ T = 85°C
A
- 25 .. + 85
°C
- 40 .. + 90
°C
115
Ω
121
Ω
24
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.
Application domain
• Industrial.
Notes: ¹⁾ For 10 s, with R_M ≤ 25 Ω (V_C = ± 15 V)
2) _{50 Hz Sinusoidal}
3) _{The measuring resistance RM min may be lower}
(see "LAH Technical Information" leaflet)
4) Without I & I
O OM
5) _{With a di/dt of 100 A/µs.}
071129/10
LEM reserves the right to carry out modifications on its transducers, in order to improve them, without prior notice.
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