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Current Transducer LAS 100-TP
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).
IPN = 100 A
16059
Electrical data
IPN IP VOUT RL ROUT V REF Primary nominal r.m.s. current Primary current, measuring range at frequency > 1 k H z Analog output voltage @ Output load resistance Output internal resistance Internal reference voltage V REF load resistance V REF internal resistance V REF external voltage range Max. output capacitive load Supply voltage ( 5 %) Current consumption @ VC = 5 V 100 A 0 .. 200 A 0 .. 300 A V REF (0.625*IP/IPN) V V REF 0.025 V 2 k < 20 2.5 0.025 V 1 M 200 2.0 .. 2.8 V 1 nF 5 V 18 mA
Features
* Current transducer using
Eta-technology
IP IP = 0
* Unipolar voltage supply * Insulated plastic case recognized
according to UL 94-V0
* Compact design for PCB mounting * Extended measuring range.
Advantages
* * * * * * *
Excellent accuracy Very good linearity Very low temperature drift Optimized response time Wide frequency bandwidth No insertion losses High immunity to external interference * Current overload capability.
CL VC IC
typ
Accuracy - Dynamic performance data
X
L
Accuracy 1) @ IPN , TA = 25C Linearity error 0 .. IPN 2)
<1 < 0.7 Typ Max 80 120 50 80 300 500 5 < 200 < 500 > 100 < 10 DC .. 100
% % ppm/K ppm/K ppm/K mV ns ns A/s mVpp kHz
TCVOUT Thermal drift of VOUT @ IP = 0 - 40C .. + 85C TCVOUT / VREF Thermal drift of VOUT / VREF @ IP = 0 - 40C .. + 85C TC G Thermal drift of the gain - 40C .. + 85C VOM Residual voltage @ IP = 0, after an overload of 2 x IPN DC t ra Reaction time @ 10 % of IPN tr Response time @ 90 % of IPN di/dt di/dt accurately followed Output noise without external filter f Frequency bandwidth (- 1 dB)
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.
General data
TA TS m Ambient operating temperature Ambient storage temperature Mass Standards - 40 .. + 85 C - 40 .. + 100 C 20 g EN 50178 : 1997
Application domain
* Industrial.
All Data are given with a R L = 10 k. Notes : 1) Excluding electrical, magnetic offsets and linearity 2) Including magnetic offset.
Copyright protected.
060303/6
LEM reserves the right to carry out modifications on its transducers, in order to improve them, without previous notice. page 1/3
LEM
w w w .lem.com
Current Transducer LAS 100-TP Isolation characteristics
Vd Vw Ve dCp dCl CTI R.m.s. voltage for AC isolation test, 50/60 Hz, 1 mn Impulse withstand voltage 1.2/50 s R.m.s. voltage for partial discharge extinction @ 10pC Creepage distance 1) Clearance distance 1) Comparative Tracking Index (Group III a) 5 >8 >2 Min 10.70 10.70 175 kV kV kV mm mm
Application examples
According to EN 50178 and IEC 61010-1 standards and following conditions :
* Over voltage category OV 3 * Pollution degree PD2 * Non-uniform field
EN 50178 dCp, dCI Single isolation Reinforced isolation Rated isolation voltage 1000 V 500 V IEC 61010-1 Nominal voltage 1000 V 500 V
Note :
1)
On PCB with soldering pattern UTEC93-703.
Safety
This transducer must be used in electric/electronic equipment with respect to applicable standards and safety requirements in accordance with the following manufacturer's operating instructions.
Caution, risk of electrical shock When operating the transducer, certain parts of the module can carry hazardous voltage (eg. primary busbar, power supply). Ignoring this warning can lead to injury and/or cause serious damage. This transducer is a built-in device, whose conducting parts must be inaccessible after installation. A protective housing or additional shield could be used. Main supply must be able to be disconnected.
060303/6
LEM reserves the right to carry out modifications on its transducers, in order to improve them, without previous notice.
Page 2/3
LEM
w w w .lem.com
Dimensions LAS 100-TP
(in mm. 1 mm = 0.0394 inch)
Bottom view
Connection
Front view
Left view
Num b e r of p rim a ry turns IP N 1
P rim a ry current N o m inal [A ] 100 M a xim a l IP 200 (300) [A ]
N o m ina l output voltage
P rim a ry r e s i s ta n c e
P rim a ry i n s e r ti o n i n d u c ta n c e LP [H] 0 .0 0 8
V OUT
[V ]
RP 0 .1 2
[m]
V R E F 0 .6 2 5
Mechanical characteristics
* General tolerance * Fastening & connection of primary
Recommended PCB hole * Fastening & connection of secondary Recommended PCB hole 0.2 mm 6 pins 1.4 x 1 mm 2 mm 4 pins 0.7 x 0.6 mm 1.2 mm
Output Voltage - Primary Current
VOUT [ V ]
5 4.375 3.750 3.125 2.5 1.875 1.250 0.625
Remarks
* VOUT is positive when IP flows from terminals "IN" to
terminals "OUT". * Temperature of the primary conductor should not exceed 100C. * This is a standard model. For different versions please contact us.
IP [ A ]
-300 -200 - IPN 0 IPN 200 300
060303/6
LEM reserves the right to carry out modifications on its transducers, in order to improve them, without previous notice. page 3/3
LEM
w w w .lem.com

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