LAH100-P_06 Datasheet, PDF (1/2 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
Primary nominal r.m.s. current
PN
I_P
Primary current, measuring range ¹⁾
R
Measuring resistance @
M
100
A
0 .. 160
A
T = 70°C T = 85°C
A
A
R R R R _{M min M max M min M max}
with ± 12 V
@ I_PN [± A _DC ]
0 63 0 57 Ω
@ I_PN [A _RMS ] ²⁾
0 11 0 5 Ω
with ± 15 V
@ I_PN [± A _DC ]
20 120 45 114 Ω
@ I [A ] 2)
PN RMS
20 51 45 45 Ω
@ I_P
<
I ³⁾
PN
I
Secondary nominal r.m.s. current
SN
50
mA
K _N Conversion ratio
1 : 2000
V
Supply voltage (± 5 %)
C
± 12 .. 15
V
I_C
Current consumption
10 (@ ± 15 V)+I mA
S
V
R.m.s. voltage for AC isolation test, 50/60 Hz, 1 mn 5
kV
d
V_e
R.m.s. voltage for partial discharge extinction @ 10 pC > 2
kV
V
Impulse withstand voltage 1.2/50 µs
w
> 12
kV
Accuracy - Dynamic performance data
X
Accuracy ⁴⁾ @ I T = 25°C
ε_L
PN, A
Linearity error
± 0.25
%
< 0.15
%
Typ Max
I
Offset current @ T = 25°C
O
A
± 0.15 mA
I_OM Residual current @ I_P = 0, after an overload of 5 x I_PN ± 0.10 ± 0.15 mA
I
Thermal drift 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
f
Reaction time @ 10 % of I_PN
Response time ⁵⁾ @ 90 % of I
PN
di/dt accurately followed
Frequency bandwidth (- 1 dB)
< 200
< 500
> 200
DC .. 200
ns
ns
A/µs
kHz
General data
T
Ambient operating temperature
A
T_S
Ambient storage temperature
R
Secondary coil resistance
S
Insulating material group
m
Mass
Standards
@ T = 70°C
A
@ T_A = 85°C
- 25 .. + 85
°C
- 40 .. + 90
°C
115
Ω
121
Ω
I
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.
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_O & I_OM - ⁵⁾ With a di/dt of 100 A/µs.
LEM
LEM reserves the right to carry out modifications on its transducers, in order to improve them, without previous notice.
060303/8
page 1/2
www.lem.com