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参数资料
| 型号： | LB500-S |
| 厂商： | LEM |
| 英文描述： | Current Transducer LB 500-S/SP1 |
| 中文描述： | 电流互感器磅500-S/SP1 |
| 文件页数： | 1/2页 |
| 文件大小： | 132K |
| 代理商： | LB500-S |
Current Transducer LB 500-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
Primary nominal r.m.s. current
500
A
I
P
Primary current, measuring range
0 .. ± 750
A
R
M
Measuring resistance
R
M min
R
M max
with ± 15 V
@ ± 500 A
max
5
33
@ ± 750 A
max
5
15
I
SN
Secondary nominal r.m.s. current
200
mA
K
N
Conversion ratio
1 : 2500
V
C
Supply voltage (± 5 %)
± 15
V
I
C
Current consumption
20+I
S
mA
V
d
R.m.s. voltage for AC isolation test, 50 Hz, 1 mn
6 1)
kV
Accuracy - Dynamic performance data
X
Accuracy @ I
PN, TA = 25°C
± 0.5
%
ε
L
Linearity
< 0.1
%
Typ
Max
I
O
Offset current @ I
P = 0, TA = 25°C
± 0.500 mA
I
OT
Thermal drift of I
O
+ 10°C .. + 50°C
± 0.064 mA
t
r
Response time 2) @ 90 % of I
PN
< 1
s
di/dt
di/dt accurately followed
> 50
A/s
f
Frequency bandwidth (- 1 dB)
DC .. 150
kHz
Zero crossing distortion
negligeable
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 = 50°C
30
m
Mass
670
g
Standards
EN 50178
Notes : 1) Between primary and secondary.
2)
With a di/dt of 100 A/s
Features
Closed loop (compensated) current
transducer using the Hall effect
Insulated plastic case recognized
according to UL 94-V0.
Special features
V
C =
± 15 (± 5 %) V
K
N =
1 : 2500
Low thermal offset drift with
temperature
Better zero crossing performance
T
A =
+ 10°C .. + 50°C
Shield between primary and
secondary connected to V
C " - "
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
HVDC transmisions.
I
PN
= 500 A
990803/2
LEM Components
www.lem.com
Preliminary
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相关代理商/技术参数 |
参数描述 |
|---|---|
| LB500-S/SP1 | 制造商:LEM 制造商全称:LEM 功能描述:Current Transducer LB 500-S/SP1 |
| LB500Z | 制造商:SEOUL 制造商全称:Seoul Semiconductor 功能描述:GREEN OVAL LAMP LED |
| LB501 | 制造商:POLYFET 制造商全称:Polyfet RF Devices 功能描述:SILICON GATE ENHANCEMENT MODE RF POWER LDMOS TRANSISTOR |
| LB-501 | 制造商:PROTECHSYSTEMS 制造商全称:PROTECHSYSTEMS 功能描述:Embedded Board |
| LB5011 | 制造商:未知厂家 制造商全称:未知厂家 功能描述:Optoelectronic |
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