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LA100-TP Scheda tecnica(PDF) 1 Page - LEM |
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LA100-TP Scheda tecnica(HTML) 1 Page - LEM |
1 / 2 page page 1/2 LEM www .lem.com LEM reserves the right to carry out modifications on its transducers, in order to improve them, without previous notice. 060221/7 Current Transducer LA 100-TP 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 I PN Primary nominal r.m.s. current 100 A I P Primary current, measuring range 0 .. ± 150 A R M Measuring resistance @ T A = 70°C T A = 85°C R M min RM max R M min RM max with ± 12 V @ ± 100 A max 0 50 0 42 Ω @ ± 120 A max 0 22 0 14 Ω with ± 15 V @ ± 100 A max 0 110 20 102 Ω @ ± 150 A max 0 33 20 25 Ω I SN Secondary nominal r.m.s. current 50 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 V d R.m.s. voltage for AC isolation test, 50 Hz, 1 mn 2.5 kV V b R.m.s. rated voltage 600 V Accuracy - Dynamic performance data X Accuracy @ I PN , TA = 25°C @ ± 15 V (± 5 %) ± 0.45 % @ ± 12 .. 15 V (± 5 %) ± 0.70 % ε L Linearity < 0.15 % Typ Max I O Offset current @ I P = 0, TA = 25°C ± 0.10 mA I OM Residual current 1) @ I P = 0, after an overload of 3 x IPN ± 0.15 mA I OT Thermal drift of I O - 25°C .. + 85°C ± 0.05 ± 0.25 mA - 40°C .. - 25°C ± 0.10 ± 0.50 mA t r a Reaction time @ 10 % of I P max < 500 ns t r Response time 2) @ 90 % of I P max < 1 µs di/dt di/dt accurately followed > 200 A/µs f Frequency bandwidth (- 1 dB) DC .. 200 kHz General data T A Ambient operating temperature - 40 .. + 85 °C T S Ambient storage temperature - 50 .. + 95 °C R S Secondary coil resistance @ T A = 70°C 120 Ω T A = 85°C 128 Ω m Mass 24 g Standards 3) EN 50178 Notes : 1) The result of the coercive field of the magnetic circuit 2) With a di/dt of 100 A/µs 3) A list of corresponding tests is available Features • Closed loop (compensated) current transducer using the Hall effect • Printed circuit board mounting • Insulated plastic case recognized according to UL 94-V0. 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 • 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. I PN = 100 A 16045 |
Codice articolo simile - LA100-TP_06 |
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Descrizione simile - LA100-TP_06 |
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