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LA55-TP-SP27 Fiches technique(PDF) 1 Page - LEM |
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LA55-TP-SP27 Fiches technique(HTML) 1 Page - LEM |
1 / 3 page 090616/4 LEM reserves the right to carry out modifications on its transducers, in order to improve them, without prior notice. www.lem.com Page 1/3 I PN = 50 A Features Closed loop (compensated) ● current transducer using the Hall effect Mounted on printed circuit board ● Insulated plastic case recognized ● according to UL 94-V0. Special features I ● PM = 0 .. ± 100 A K ● N = 1 : 2000 V ● d = 3.6 kV T ● A = - 40°C .. + 85°C Potted. ● 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 Single or three phases inverter ● Propulsion and braking chopper ● Propulsion converter ● Auxiliart converter ● Battery charger. ● Application domain Traction. ● Current Transducer LA 55-TP/SP27 For the electronic measurement of currents: DC, AC, pulsed..., with galvanic isolation between the primary circuit (high power) and the secondary circuit (electronic circuit). Electrical data I PN Primary nominal current rms 50 A I PM Primary current, measuring range 0 .. ± 100 A R M Measuring resistance R M min R M max with ± 12 V @ ± 50 A max 0 210 Ω @ ± 100 A max 0 30 Ω with ± 15 V @ ± 50 A max 30 320 Ω @ ± 100 A max 30 90 Ω I SN Secondary nominal current rms 25 mA K N Conversion ratio 1 : 2000 V C Supply voltage (± 5 %) ± 12 .. 15 V I C Current consumption 10 (@ ± 15 V)+ I S mA X Accuracy @ I PN , TA = 25°C @ ± 15 V (± 5 %) ± 0.65 % Accuracy - Dynamic performance data @ ± 12 .. 15 V (± 5 %) ± 0.90 % ε L Linearity error < 0.15 % Typ Max I O Offset current @ I P = 0, TA = 25°C ± 0.1 mA I OM Magnetic offset current 1) @ I P = 0 and specified RM, after an overload of 3 x I PN ± 0.2 mA I OT Temperature variation of I O - 25°C .. + 85°C ± 0.1 ± 0.3 mA - 40°C .. - 25°C ± 0.2 ± 0.5 mA t ra Reaction time to 10 % of I PN step < 500 ns t r Response time 2) to 90 % of I PN step < 1 µs di/dt di/dt accurately followed > 200 A/µs BW Frequency bandwidth (- 1 dB) DC .. 200 kHz T A Ambient operating temperature - 40 .. + 85 °C General data T S Ambient storage temperature - 50 .. + 90 °C R S Secondary coil resistance @ T A = 85°C 140 Ω m Mass 35 g Standards EN 50155: 1995 Notes: 1) Result of the coercive field of the magnetic circuit 2) With a di/dt of 100 A/µs. 16086 |
Numéro de pièce similaire - LA55-TP-SP27 |
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Description similaire - LA55-TP-SP27 |
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