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电压传感器 LV 25-P DATESHEET

更新时间:2019-11-27 13:14:09 大?。?/b>207K 上传用户:噫嘘唏查看TA发布的资源 浏览次数:182 下载积分:1分 下载次数:1 次 标签:电压传感器 出售积分赚钱 评价赚积分 ( 如何评价?) 收藏 评论(0) 举报

资料介绍

LEM-LV25-P DATESHEET,纯英文,有助于英语的提高。同时讲解十分详细

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LV25-P.pdf 207K

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Voltage Transducer LV 25-P  
For the electronic measurement of currents: DC, AC, pulsed...,  
with galvanic isolation between the primary circuit and the secondary  
circuit.  
IPN = 10 mA  
VPN = 10 .. 500 V  
16084  
Features  
Electrical data  
● Closed loop (compensated)  
current transducer using the Hall  
effect  
IPN  
IPM  
RM  
Primary nominal current rms  
Primary current, measuring range  
Measuring resistance  
10  
mA  
mA  
0 .. ± 14  
RM min RM max  
● Isolated plastic case recognized  
according to UL 94-V0.  
with ± 12 V  
@ ± 10 mA max  
@ ± 14 mA max  
@ ± 10 mA max  
@ ± 14 mA max  
30  
30  
190  
100  
?
?
?
?
mA  
with ± 15 V  
100 350  
100 190  
25  
2500 : 1000  
± 12 .. 15  
Principle of use  
ISN  
KN  
VC  
IC  
Secondary nominal current rms  
Conversion ratio  
Supply voltage (± 5 %)  
Current consumption  
● For voltage measurements,  
a current proportional to the  
measured voltage must be  
passed through an external  
resistor R1 which is selected by  
the user and installed in series  
with the primary circuit of the  
transducer.  
V
10 (@ ± 15 V) + IS mA  
Accuracy - Dynamic performance data  
XG  
Overall accuracy @ IPN, TA = 25°C @ ± 12 .. 15 V  
± 0.9  
%
%
%
@ ± 15 V (± 5 %) ± 0.8  
ε
Linearity error  
< 0.2  
Typ  
L
Advantages  
Max  
IO  
IOT  
Offset current @ IP = 0, TA = 25°C  
Temperature variation of IO  
± 0.15  
mA  
mA  
mA  
μs  
● Excellent accuracy  
● Very good linearity  
● Low thermal drift  
● Low response time  
● High bandwidth  
● High immunity to external  
interference  
0°C .. + 25°C  
+ 25°C .. + 70°C  
± 0.06 ± 0.25  
± 0.10 ± 0.35  
40  
tr  
Response time 1) to 90 % of IPN step  
General data  
TA  
TS  
RP  
RS  
m
Ambient operating temperature  
Ambient storage temperature  
Primary coil resistance  
Secondary coil resistance  
Mass  
0 .. + 70  
- 25 .. + 85  
250  
°C  
°C  
?
?
g
● Low disturbance in common  
mode.  
@ TA = 70°C  
@ TA = 70°C  
110  
22  
Applications  
● AC variable speed drives and  
servo motor drives  
Standard  
EN 50178: 1997  
● Static converters for DC motor  
drives  
● Battery supplied applications  
● Uninterruptible Power Supplies  
(UPS)  
Note: 1) R1 = 25 k? (L/R constant, produced by the resistance and inductance of  
the primary circuit).  
● Power supplies for welding  
applications.  
Application domain  
● Industrial.  
Page 1/3  
20November2012/version 18  
LEM reserves the right to carry out modi?cations on its transducers, in order to improve them, without prior notice  
www.lem.com  

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