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LF205P PDF预览

LF205P

更新时间: 2024-10-27 22:31:23
品牌 Logo 应用领域
莱姆 - LEM 传感器
页数 文件大小 规格书
2页 75K
描述
Current Transducer LF 205-P/SP1

LF205P 数据手册

 浏览型号LF205P的Datasheet PDF文件第2页 
Current Transducer LF 205-P/SP1  
IPN = 200 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).  
Electrical data  
IPN  
IP  
RM  
Primary nominal r.m.s. current  
Primary current, measuring range  
Measuring resistance @  
200  
0 .. ± 420  
A
A
Features  
TA = 70°C  
RM minRM  
TA = 85°C  
· Closed loop (compensated) current  
transducer using the Hall effect  
· Insulated plastic case recognized  
according to UL 94-V0.  
RM minRM  
max  
max  
with ± 12 V  
with ± 15 V  
@ ± 200 Amax  
0
0
0
0
71  
14  
0
0
69  
12  
W
W
W
W
@ ± 420 Amax  
@ ± 200 Amax  
@ ± 420 Amax  
100 23 98  
28 23 26  
Special features  
ISN  
KN  
VC  
IC  
Secondary nominal r.m.s. current  
Conversion ratio  
Supply voltage (± 5 %)  
Current consumption @ ± 15V  
R.m.s. voltage for AC isolation test, 50 Hz, 1 mn  
100  
mA  
· Mounting clips molded into the  
transducer housing, attach to printed  
circuit boards 1.6mm thick.  
1 : 2000  
± 12 .. 15  
17 +IS  
3.5  
V
mA  
kV  
Vd  
Advantages  
Accuracy - Dynamic performance data  
· Excellent accuracy  
XG  
Overall accuracy @ IPN , TA = 25°C  
Linearity  
± 0.5  
<0.1  
%
%
· Very good linearity  
e
· Low temperature drift  
· Optimized response time  
· Wide frequency bandwidth  
· No insertion losses  
· High immunity to external  
interference  
L
Typ  
Max  
IO  
IOM  
IOT  
Offset current @ IP = 0, TA = 25°C  
Residual current1) @ IP = 0, after an overload of 3 x IPN  
Thermal drift of IO  
± 0.2 mA  
± 0.1 mA  
- 40°C .. + 85°C  
± 0.12 ± 0.4 mA  
tra  
tr  
Reaction time @ 10 % of IP max  
Response time2) @ 90 % of IP max  
< 500  
< 1  
ns  
µs  
· Current overload capability.  
di/dt di/dt accurately followed  
> 100  
DC .. 100  
A/µs  
kHz  
Applications  
f
Frequency bandwidth (- 3 dB)  
· AC variable speed drives and servo  
motor drives  
General data  
TA  
TS  
RS  
Ambient operating temperature  
Ambient storage temperature  
Secondary coil resistance @ TA = 70°C  
- 40 .. + 85  
- 40 .. + 90  
33  
35  
58  
°C  
°C  
W
W
g
· Static converters for DC motor drives  
· Battery supplied applications  
· Uninterruptible Power Supplies  
(UPS)  
· Switched Mode Power Supplies  
(SMPS)  
@ TA = 85°C  
m
Mass  
Standards 3)  
EN 50178  
· Power supplies for welding  
applications.  
1)  
Notes : The result of the coercive field of the magnetic circuit  
2)  
With a di/dt of 100 A/µs  
A list of corresponding tests is available.  
3)  
011120/2  
LEM Components  
w w w.lem.com  

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