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参数资料
| 型号： | LA100-TP |
| 厂商： | LEM |
| 英文描述： | Current Transducer LA 100-TP |
| 中文描述： | 电流传感器洛杉矶100 -大埔 |
| 文件页数： | 1/2页 |
| 文件大小： | 66K |
| 代理商： | LA100-TP |
Current Transducer LA 100-TP
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
100
A
I
P
Primary current, measuring range
0 .. ± 150
A
R
M
Measuring resistance @
T
A = 70°C
T
A = 85°C
R
M min RM max
R
M min RM max
with ± 12 V
@ ± 100 A
max
0
50
0
42
@ ± 120 A
max
0
22
0
14
with ± 15 V
@ ± 100 A
max
0
110
20
102
@ ± 150 A
max
0
33
20
25
I
SN
Secondary nominal r.m.s. current
50
mA
K
N
Conversion ratio
1 : 2000
V
C
Supply voltage (± 5 %)
± 12 .. 15
V
I
C
Current consumption
10 (@ ± 15 V) + I
S mA
V
d
R.m.s. voltage for AC isolation test, 50 Hz, 1 mn
2.5
kV
V
b
R.m.s. rated voltage
610
V
Accuracy - Dynamic performance data
X
Accuracy @ I
PN , TA = 25°C
@ ± 15 V (± 5 %)
± 0.45
%
@ ± 12 .. 15 V (± 5 %)
± 0.70
%
ε
L
Linearity
< 0.15
%
Typ
Max
I
O
Offset current @ I
P = 0, TA = 25°C
± 0.10
mA
I
OM
Residual current 1) @ I
P = 0, after an overload of 3 x IPN
± 0.15
mA
I
OT
Thermal drift of I
O
- 25°C .. + 85°C
± 0.05 ± 0.25
mA
- 40°C .. - 25°C
± 0.10 ± 0.50
mA
t
r a
Reaction time @ 10 % of I
P max
< 500
n s
t
r
Response time 2) @ 90 % of I
P max
< 1
s
di/dt
di/dt accurately followed
> 200
A/s
f
Frequency bandwidth (- 1 dB)
DC .. 200
kHz
General data
T
A
Ambient operating temperature
- 40 .. + 85
°C
T
S
Ambient storage temperature
- 50 .. + 95
°C
R
S
Secondary coil resistance @
T
A = 70°C
120
T
A = 85°C
128
m
Mass
24
g
Standards 3)
EN 50178
Notes : 1) The result of the coercive field of the magnetic circuit
2) With a di/dt of 100 A/s
3) A list of corresponding tests is available
Features
Closed loop (compensated) current
transducer using the Hall effect
Printed circuit board mounting
Insulated 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.
I
PN
=
100 A
981120/5
LEM Components
ww w .lem.com
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