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LB500-S PDF预览

LB500-S

更新时间: 2024-10-27 22:31:35
品牌 Logo 应用领域
莱姆 - LEM 传感器
页数 文件大小 规格书
2页 135K
描述
Current Transducer LB 500-S/SP1

LB500-S 数据手册

 浏览型号LB500-S的Datasheet PDF文件第2页 
Current Transducer LB 500-S/SP1  
IPN = 500 A  
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).  
Preliminary  
Features  
Electrical data  
· Closed loop (compensated) current  
transducer using the Hall effect  
· Insulated plastic case recognized  
according to UL 94-V0.  
IPN  
IP  
RM  
Primary nominal r.m.s. current  
Primary current, measuring range  
Measuring resistance  
500  
0 .. ± 750  
RM min  
A
A
RMmax  
with ± 15 V  
@ ± 500 A max  
@ ± 750 A max  
5
5
33  
15  
W
W
Special features  
· VC = ± 15 (± 5 %) V  
· KN = 1 : 2500  
ISN  
KN  
VC  
IC  
Secondary nominal r.m.s. current  
Conversion ratio  
Supply voltage (± 5 %)  
Current consumption  
R.m.s. voltage for AC isolation test, 50 Hz, 1 mn  
200  
mA  
1 : 2500  
± 15  
20+IS  
6 1)  
· Low thermal offset drift with  
temperature  
· Better zero crossing performance  
· TA = + 10°C .. + 50°C  
· Shield between primary and  
secondary connected to VC " -"  
V
mA  
kV  
Vd  
Accuracy - Dynamic performance data  
Advantages  
X
e
Accuracy @ IPN, TA = 25°C  
Linearity  
± 0.5  
< 0.1  
%
%
· Excellent accuracy  
· Very good linearity  
L
Typ Max  
· Low temperature drift  
· Optimized response time  
· Wide frequency bandwidth  
· No insertion losses  
· High immunity to external  
interference  
IO  
IOT  
Offset current @ IP = 0, TA = 25°C  
Thermal drift of IO  
± 0.500 mA  
± 0.064 mA  
+ 10°C .. + 50°C  
tr  
Response time 2) @ 90 % of IPN  
< 1  
> 50  
µs  
A/µs  
di/dt di/dt accurately followed  
f
Frequency bandwidth (- 1 dB)  
Zero crossing distortion  
DC .. 150  
kHz  
negligeable  
· Current overload capability.  
General data  
Applications  
· AC variable speed drives and servo  
motor drives  
· Static converters for DC motor drives  
· Battery supplied applications  
· Uninterruptible Power Supplies  
(UPS)  
TA  
TS  
RS  
m
Ambient operating temperature  
Ambient storage temperature  
Secondary coil resistance @ TA = 50°C  
Mass  
Standards  
+ 10 .. + 50  
- 25 .. + 85  
30  
670  
EN 50178  
°C  
°C  
W
g
· Switched Mode Power Supplies  
(SMPS)  
· Power supplies for welding  
applications  
· HVDC transmisions.  
1)  
Notes : Between primary and secondary.  
2)  
With a di/dt of 100 A/µs  
990803/2  
LEM Components  
www.lem.com  

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