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LB1000-SP2 Arkusz danych(PDF) 1 Page - LEM

Numer części LB1000-SP2
Szczegółowy opis  Current Transducer
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Strona internetowa  http://www.lem.co.jp/HQ/en
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LB1000-SP2 Arkusz danych(HTML) 1 Page - LEM

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LEM Components
www.lem.com
Page 1/3
LEM reserves the right to carry out modifications on its transducers, in order to improve them, without previous notice.
050816/1
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).
Electrical data
I
PN
Primary nominal r.m.s. current
1000
A
I
P
Primary current, measuring range
0 .. ± 1500
A
R
M
Measuring resistance
R
M min
R
M max
with ± 15 V
@ ± 1000 A
max
0
25
@ ± 1500 A
max
0
5
I
SN
Secondary nominal r.m.s. current
200
mA
K
N
Conversion ratio
1 : 5000
V
C
Supply voltage (± 5 %)
± 15
VDC
I
C
Current consumption
21 + I
S
mA
Accuracy - Dynamic performance data
X
G
Overall 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
± 0.4
mA
I
OT
Thermal drift of I
O
+ 10°C .. + 50°C
± 0.1
± 0.2
mA
t
r
Response time 1) @ 90 % of I
PN
< 1
µs
di/dt
di/dt accurately followed
> 50
A/µs
f
Frequency bandwidth (- 1 dB)
DC .. 100
kHz
General data
T
A
Ambient operating temperature
+ 10 .. + 50
°C
T
S
Ambient storage temperature
- 25 .. + 85
°C
R
S
Secondary coil resistance @ T
A = 70°C
40
m
Mass
700
g
Standards
EN 50178 : 1997
Note : 1) With a di/dt of 100 A/µs
Features
Closed loop (compensated) current
transducer using the Hall effect
Insulated plastic case recognized
according to UL 94-V0.
Special features
T
A
= + 10°C .. + 50°C
Shield between primary and
secondary.
Advantages
Better zero crossing performance
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.
I
PN
=
1000 A


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