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參數(shù)資料
| 型號(hào)： | LA10-PB |
| 廠商： | LEM |
| 英文描述： | Current Transducer LA 03~20-PB |
| 中文描述： | 電流互感器洛杉磯03?20，鉛 |
| 文件頁(yè)數(shù)： | 1/2頁(yè) |
| 文件大?。?/td> | 24K |
| 代理商： | LA10-PB |
Electrical data
Primary nominal
r.m.s. current
I
PN
(A)
Primary current
measuring range
I
P
(A)
Primary Conductor
Diameter
(mm)
Type
3
5
± 4.5
± 7.5
± 15
± 22.5
± 30
0.5
0.5
0.65
0.8
1.0
LA 03-PB
LA 05-PB
LA 10-PB
LA 15-PB
LA 20-PB
10
15
20
V
C
I
C
V
d
R
IS
V
OUT
R
L
Supply voltage
(± 5 %)
Current consumption app. 20mA+
I
/1200 mA
R.m.s. voltage for AC isolation test,
50/60Hz,1mn 2.5 kV
Isolation resistance @ 500 VDC
Output voltage @ ±
I
PN
,
R
L
= 10 k
,
T
A
= 25°C
Load resistance
± 15 V
> 500 M
± 4 V
> 10 k
Accuracy-Dynamic performance data
X
e
L
V
OE
V
OH
Accuracy @
I
,
T
A
= 25°C (without offset)
Linearity (0 .. ±
I
)
Electrical offset voltage,
T
= 25°C
Hysteresis offset voltage @
I
P
= 0;
after an excursion of 1 x
I
PN
Thermal drift of
V
max.
Thermal drift(% of reading)
Response time @ 90% of
I
P
Frequency bandwidth (- 1dB)
1)
< ± 1.5 % of
I
PN
< ± 1
< ± 30
% of
I
mV
< ± 15
± 1
< 0.04
< 3
mV
V
OT
TC
e
G
t
r
f
mV/K
%/K
μs
DC .. 150 kHz
General data
T
A
T
S
m
Ambient operating temperature
Ambient storage temperature
Mass
- 10 .. + 80 °C
- 15 .. + 85 °C
< 12
g
Notes :
EN 50178 approval pending
Current Transducer LA 03 .. 20-PB
For the electronic measurement of currents: DC, AC, pulsed, mixed,
with a galvanic isolation between the primary circuit (high power) and
the secondary circuit (electronic circuit).
I
PN
=
3 .. 20 A
Features
Closed loop (compensation) current
transducer using the Hall effect
Voltage output
Printed circuit board mounting
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 capacity
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)
Switched Mode Power Supplies
(SMPS)
Power supplies for welding
applications
LE M Components
www.lem.com
010118/2
Preliminary
1)
Derating is needed to avoid excessive core heating at high frequency.
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