LB1000-SI Datasheet, PDF (1/3 Pages) LEM – Current Transducer LB 1000-SI/SP2

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
Primary nominal r.m.s. current
I_P
Primary current, measuring range
R_M Measuring resistance
with ± 15 V
@ ± 1000 A _max
@ ± 1500 A _max
I_SN Secondary nominal r.m.s. current
K_N Conversion ratio
V_C Supply voltage (± 5 %)
I_C
Current consumption
Accuracy - Dynamic performance data
εX G
L
Overall accuracy @ I_PN , T_A = 25°C
Linearity error
I_O
I_OT
t_r
di/dt
f
Offset current @ I_P = 0, T_A = 25°C
Thermal drift of I_O
+ 10°C .. + 50°C
Response time ¹⁾ @ 90 % of I_PN
di/dt accurately followed
Frequency bandwidth (- 1 dB)
General data
T_A
Ambient operating temperature
T_S
Ambient storage temperature
R _S Secondary coil resistance @ T_A = 70°C
m Mass
Standards
Note : ¹⁾ With a di/dt of 100 A/µs
1000
A
0 .. ± 1500
A
R_{M min} R_{M max}
0
25
Ω
0
5
Ω
200
1 : 5000
± 15
21 + I_S
mA
VDC
mA
± 0.3
%
< 0.1
%
Typ Max
± 0.4 m A
± 0.1 ± 0.2 m A
<1
> 50
DC .. 100
µs
A/µ s
kHz
+ 10 .. + 50 °C
- 25 .. + 85
°C
40
Ω
700
g
EN 50178 : 1997
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.
LEM reserves the right to carry out modifications on its transducers, in order to improve them, without previous notice.
LEM Components
050816/1
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