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LB1000-SP2 Arkusz danych(PDF) 1 Page - LEM |
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LB1000-SP2 Arkusz danych(HTML) 1 Page - LEM |
1 / 3 page LEM Components www.lem.com Page 1/3 LEM reserves the right to carry out modifications on its transducers, in order to improve them, without previous notice. 050816/1 Current Transducer LB 1000-SI/SP2 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 1000 A I P Primary current, measuring range 0 .. ± 1500 A R M Measuring resistance R M min R M max with ± 15 V @ ± 1000 A max 0 25 Ω @ ± 1500 A max 0 5 Ω I SN Secondary nominal r.m.s. current 200 mA K N Conversion ratio 1 : 5000 V C Supply voltage (± 5 %) ± 15 VDC I C Current consumption 21 + I S mA Accuracy - Dynamic performance data X G Overall accuracy @ I PN , TA = 25°C ± 0.3 % ε L Linearity error < 0.1 % Typ Max I O Offset current @ I P = 0, TA = 25°C ± 0.4 mA I OT Thermal drift of I O + 10°C .. + 50°C ± 0.1 ± 0.2 mA t r Response time 1) @ 90 % of I PN < 1 µs di/dt di/dt accurately followed > 50 A/µs f Frequency bandwidth (- 1 dB) DC .. 100 kHz General data T A Ambient operating temperature + 10 .. + 50 °C T S Ambient storage temperature - 25 .. + 85 °C R S Secondary coil resistance @ T A = 70°C 40 Ω m Mass 700 g Standards EN 50178 : 1997 Note : 1) With a di/dt of 100 A/µs Features • Closed loop (compensated) current transducer using the Hall effect • Insulated plastic case recognized according to UL 94-V0. Special features • T A = + 10°C .. + 50°C • Shield between primary and secondary. Advantages • Better zero crossing performance • 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. Application domain • Industrial. I PN = 1000 A |
Podobny numer części - LB1000-SP2 |
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Podobny opis - LB1000-SP2 |
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