LEM LF2005-S_06

IPN
Current Transducer LF 2005-S
=
2000 A
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).
16103
Electrical data
IPN
IP
RM
Primary nominal r.m.s. current
Primary current, measuring range @ ± 24 V
Measuring resistance
with ± 15 V
with ± 24 V
ISN
KN
VC
IC
Vd
@ ± 2000 A max
@ ± 2200 A max
@ ± 2000 A max
@ ± 3000 A max
Secondary nominal r.m.s. current
Conversion ratio
Supply voltage (± 5 %)
Current consumption
R.m.s. voltage for AC isolation test, 50 Hz, 1 mn
2000
0 .. ± 3000
RM min
RM max
0
0
5
5
8
5
29
11
A
A
• Closed loop (compensated) current
Ω
Ω
Ω
Ω
400
mA
1 : 5000
± 15 .. 24
V
33 (@ ± 24 V) + IS mA
6
kV
Accuracy - Dynamic performance data
XG
ε
Overall accuracy @ IPN , TA = 25°C
Linearity error
L
± 0.3
< 0.1
Typ
%
%
Max
± 0.5
± 0.4
IO
IOT
Offset current @ IP = 0, TA = 25°C
Thermal drift of IO
- 25°C .. + 70°C
± 0.2
tr
di/dt
f
Response time 1) @ 90 % of IPN
di/dt accurately followed
Frequency bandwidth (- 1 dB)
<1
> 50
DC .. 100
mA
mA
µs
A/µs
kHz
Notes :
2)
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
• Switched Mode Power Supplies
Ambient operating temperature
Ambient storage temperature
Secondary coil resistance @ TA = 70°C
Mass
Standards 2)
1)
transducer using the Hall effect
• Insulated plastic case recognized
(UPS)
General data
TA
TS
RS
m
Features
- 25 .. + 70
- 40 .. + 85
25
1.5
EN 50178
°C
°C
Ω
kg
(SMPS)
• Power supplies for welding
applications.
With a di/dt of 100 A/µs
A list of corresponding tests is available.
060425/6
LEM reserves the right to carry out modifications on its transducers, in order to improve them, without previous notice.
LEM
Page 1/2
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Dimensions LF 2005-S
(in mm. 1 mm = 0.0394 inch)
Front view
Left view
Secondary terminals
Pin
Pin
Pin
+
M
-
: supply voltage + 15 .. 24 V
: measure
: supply voltage - 15 .. 24 V
Connection
Top view
Mechanical characteristics
Remarks
• General tolerance
• Fastening transducer
• IS is positive when IP flows in the direction of the arrow.
• Temperature of the primary conductor should not exceed
Flat or vertical position
Fastening torque
• Primary through-hole
• Connection of secondary
± 0.5 mm
4 holes ∅ 6.5 mm
4 screw M6 steel
5.5 Nm or 4.05 Lb. - Ft.
60.5 x 60.5 mm
S3P-VH
100°C.
• Dynamic performances (di/dt and response time) are best
with a single bar completely filling the primary hole.
• This is a standard model. For different versions (supply
voltages, turns ratios, unidirectional measurements...),
please contact us.
060425/6
LEM reserves the right to carry out modifications on its transducers, in order to improve them, without previous notice.
LEM
Page 2/2
w w w .lem.com