LF2005-S_06 Datasheet, PDF (1/2 Pages) LEM – Current Transducer

Current Transducer LF 2005-S
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 = 2000 A
Electrical data
16103
I_PN
Primary nominal r.m.s. current
I_P
Primary current, measuring range @ ± 24 V
R_M Measuring resistance
with ± 15 V
with ± 24 V
@ ± 2000 A
max
@ ± 2200 A _max
@ ± 2000 A _max
@ ± 3000 A _max
I
Secondary nominal r.m.s. current
SN
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
εX G
L
Overall accuracy @ I_PN , T_A = 25°C
Linearity error
I_O
I_OT
t
r
di/dt
f
Offset current @ I_P = 0, T_A = 25°C
Thermal drift of I_O
- 25°C .. + 70°C
Response time 1) @ 90 % of I
PN
di/dt accurately followed
Frequency bandwidth (- 1 dB)
General data
T_A
Ambient operating temperature
T_S
Ambient storage temperature
R _S Secondary coil resistance @ T_A = 70°C
m Mass
Standards ²⁾
2000
A
0 .. ± 3000
A
R_{M min}
R_{M max}
0
8
Ω
0
5
Ω
5
29 Ω
5
11 Ω
400
mA
1 : 5000
± 15 .. 24
V
33 (@ ± 24 V)+ I_S mA
6
kV
± 0.3
%
< 0.1
%
Typ Max
± 0.5 mA
± 0.2 ± 0.4 mA
<1
> 50
DC .. 100
µs
A/µ s
kHz
- 25 .. + 70
°C
- 40 .. + 85
°C
25
Ω
1.5
kg
EN 50178
Features
• Closed loop (compensated) current
transducer using the Hall effect
• 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⁾ With a di/dt of 100 A/µs
2) _{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.
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