Datasheet

05July2011/version 11
LEM reserves the right to carry out modications on its transducers, in order to improve them, without prior notice.
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I
PN
= 2000 A
Features
Closed loop (compensated) ●
current transducer using the Hall
effect
Isolated 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. ●
Current Transducer LF 2005-S
For the electronic measurement of currents: DC, AC, pulsed...,
with galvanic isolation between the primary circuit (high power)
and the secondary circuit (electronic circuit).
Electrical data
I
PN
Primary nominal current rms 2000 A
I
PM
Primary current, measuring range @ ± 24 V 0 .. ± 3000 A
R
M
Measuring resistance @ T
A
= 70 °C T
A
= 85 °C
R
M min
R
M max
R
M min
R
M max
with ± 15 V @ ± 2000 A
max
0 8 0 7 Ω
 @ ± 2200 A
max
0 5 0 4 Ω
with ± 24 V @ ± 2000 A
max
5 29 13 28 Ω
 @ ± 3000 A
max
5 11 @ ± 2800 A 13 13 Ω
I
SN
Secondary nominal current rms 400 mA
K
N
Conversion ratio 1 : 5000
V
C
Supply voltage (± 5 %) ± 15 .. 24 V
I
C
Current consumption (± 1) 33 (@ ± 24 V) + I
S
mA
Accuracy - Dynamic performance data
X Accuracy @ I
PN
, T
A
= 25°C ± 0.3 %
ε
L
Linearity error < 0.1 %
Typ Max
I
O
Offset current @ I
P
= 0, T
A
= 25°C ± 0.5 mA
I
OM
Magnetic offset current @ I
P
= 0 and specied R
M
after an overload of 3 x I
PN
± 0.2 mA
I
OT
Temperature variation of I
O
- 25°C .. + 85°C ± 0.2 ± 0.5 mA
- 40°C .. - 25°C ± 1.5 mA
t
r
Response time
1)
to 90 % of I
PN
step < 1 µs
di/dt di/dt accurately followed > 50 A/µs
BW Frequency bandwidth (-1 dB) DC .. 100 kHz
General data
T
A
Ambient operating temperature - 40 .. + 85 °C
T
S
Ambient storage temperature - 50 .. + 90 °C
R
S
Secondary coil resistance @ T
A
= 70°C 25 Ω
  @ T
A
= 85°C 26 Ω
m Mass 1.5 kg
Standards EN 50178: 1997
Note:
1)
With a di/dt of 100 A/µs.
16103