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參數(shù)資料
| 型號(hào)： | LA50-S |
| 廠商： | LEM |
| 英文描述： | Current Transducer LA 50-S/SP1 |
| 中文描述： | 電流互感器洛杉磯50-S/SP1 |
| 文件頁(yè)數(shù)： | 1/2頁(yè) |
| 文件大?。?/td> | 128K |
| 代理商： | LA50-S |
Current Transducer LA 50-S/SP1
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
I
P
R
M
Primary nominal r.m.s. current
Primary current, measuring range
Measuring resistance
50
0 .. ± 100
R
M min
0
0
A
A
R
M max
330
100
with ± 15 V
@ ±
@ ± 100 A
max
50 A
max
I
SN
K
N
V
C
I
C
V
d
Secondary nominal r.m.s. current
Conversion ratio
Supply voltage (± 5 %)
Current consumption
R.m.s. voltage for AC isolation test, 50 Hz, 1 min
25
1 : 2000
± 15
10 +
I
S
3
mA
V
mA
kV
Accuracy - Dynamic performance data
X
G
e
L
Overall accuracy @
I
PN,
T
A
= 25°C
Linearity
± 0.5
< 0.1
%
%
Typ
Max
± 0.1
± 0.4
I
O
I
OT
t
r
di/dt
f
Offset current @
I
P
= 0,
T
A
= 25°C
Thermal drift of
I
O
Response time
1)
@ 90 % of
I
PN
di/dt
accurately followed
Frequency bandwidth (- 1 dB)
mA
mA
- 10°C .. + 70°C
± 0.2
< 1
> 50
DC .. 150
μs
A/μs
kHz
General data
T
A
T
S
R
S
m
Ambient operating temperature
Ambient storage temperature
Secondary coil resistance @
T
A
= 70°C
Mass
Standards
2)
- 10 .. + 70
- 25 .. + 85
130
45
EN 50178
°C
°C
g
Notes :
1)
With a di/dt of 50 A/μs
2)
A list of corresponding tests is available.
Features
Closed loop (compensated) current
transducer using the Hall effect
Insulated plastic case recognized
according to UL 94-V0.
Special features
I
P
K
N
= 0 .. ± 100 A
= 1 : 2000
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
=
50
A
991014/5
LEM Components
www.lem.com
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| LA50-S/SP1 | 制造商:LEM 制造商全稱(chēng):LEM 功能描述:Current Transducer LA 50-S/SP1 |
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