Current Transducer LB 1000-SI/SP2
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
=
1000 A
Electrical data
I
PN
I
P
R
M
Primary nominal r.m.s. current
Primary current, measuring range
Measuring resistance
with 鹵 15 V
I
SN
K
N
V
C
I
C
V
d
@ 鹵 1000 A
max
@ 鹵 1500 A
max
1000
0 .. 鹵 1500
R
M min
R
M max
0
0
25
5
A
A
鈩?/div>
鈩?/div>
mA
V
mA
kV
Features
鈥?/div>
Closed loop (compensated) current
transducer using the Hall effect
鈥?/div>
Insulated plastic case recognized
according to UL 94-V0.
Secondary nominal r.m.s. current
Conversion ratio
Supply voltage (鹵 5 %)
Current consumption
R.m.s. voltage for AC isolation test, 50 Hz, 1 mn
200
1 : 5000
鹵 15
21 +
I
S
6
Special features
鈥?/div>
Better zero crossing performance
鈥?/div>
T
A
= + 10擄C .. + 50擄C
鈥?/div>
Shield between primary and
secondary.
Accuracy - Dynamic performance data
X
G
蔚
L
Overall accuracy @
I
PN
,
T
A
= 25擄C
Linearity
Offset current @
I
P
= 0,
T
A
= 25擄C
Thermal drift of
I
O
+ 10擄C .. + 50擄C
Response time
1)
@ 90 % of
I
P max
di/dt accurately followed
Frequency bandwidth (- 1 dB)
鹵 0.3
< 0.1
Typ
Max
鹵 0.4
鹵 0.2
%
%
mA
mA
碌s
A/碌s
kHz
Advantages
鈥?/div>
鈥?/div>
鈥?/div>
鈥?/div>
鈥?/div>
鈥?/div>
鈥?/div>
Excellent accuracy
Very good linearity
Low temperature drift
Optimized response time
Wide frequency bandwidth
No insertion losses
High immunity to external
interference
鈥?/div>
Current overload capability.
I
O
I
OT
t
r
di/dt
f
鹵 0.1
<1
> 50
DC .. 100
General data
T
A
T
S
R
S
m
Ambient operating temperature
Ambient storage temperature
Secondary coil resistance @
T
A
= 70擄C
Mass
Standards
2)
+ 10 .. + 50
- 25 .. + 85
40
700
EN 50178
擄C
擄C
鈩?/div>
g
Applications
鈥?/div>
AC variable speed drives and servo
鈥?/div>
鈥?/div>
鈥?/div>
鈥?/div>
鈥?/div>
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)
2)
With a di/dt of 100 A/碌s
A list of corresponding tests is available
000901/0
LEM Components
w w w.lem.com
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