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LF2005-S Scheda tecnica(PDF) 1 Page - LEM

Il numero della parte LF2005-S
Spiegazioni elettronici  Current Transducer
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Produttore elettronici  LEM [LEM]
Homepage  http://www.lem.co.jp/HQ/en
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LF2005-S Scheda tecnica(HTML) 1 Page - LEM

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05July2011/version 11
LEM reserves the right to carry out modifications on its transducers, in order to improve them, without prior notice.
www.lem.com
Page 1/3
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 minRM max
R
M minRM max
with ± 15 V @ ± 2000 A
max
0
8
0
7
@ ± 2200 A
max
0
5
0
4
with ± 24 V @ ± 2000 A
max
5
29
13
28
@ ± 3000 A
max
5
11
@ ± 2800 A 13
13
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, TA = 25°C
± 0.3
%
ε
L
Linearity error
< 0.1
%
Typ
Max
I
O
Offset current @
I
P = 0, TA = 25°C
± 0.5
mA
I
OM
Magnetic offset current @
I
P = 0 and specified RM
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
@
T
A = 85°C
26
m
Mass
1.5
kg
Standards
EN 50178: 1997
Note: 1) With a di/dt of 100 A/µs.
16103


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