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Download Voltage Transducer LV 25
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Voltage Transducer LV 25-600/SP2 VPN = 600 V For the electronic measurement of voltages : DC, AC, pulsed..., with a galvanic isolation between the primary circuit (high voltage) and the secondary circuit (electronic circuit). 0639 Electrical data VPN VP IPN RM Primary nominal r.m.s. voltage Primary voltage, measuring range Primary nominal r.m.s. current Measuring resistance with ± 12 V with ± 15 V ISN KN VC IC Vd @ ± 600 V max @ ± 900 V max @ ± 600 V max @ ± 900 V max Secondary nominal r.m.s. current Conversion ratio Supply voltage (± 5 %) Current consumption R.m.s. voltage for AC isolation test 1), 50 Hz, 1 mn 600 V 0 .. ± 900 V 10 mA RM min RM max 30 30 100 100 200 100 320 180 Ω Ω Ω Ω 25 mA 600 V / 25 mA ± 12 .. 15 V 10 (@ ± 15 V) + IS mA 4.1 kV Accuracy - Dynamic performance data Features • Closed loop (compensated) voltage transducer using the Hall effect • Transducer with insulated plastic case recognized according to UL 94-V0 • Primary resistors R and transducer mounted on printed circuit board 128 x 60 mm. Special features • TA = - 30°C .. + 70°C • Coated • Railway equipment. Advantages XG ε Overall Accuracy @ VPN, TA = 25°C Linearity L ± 0.8 < 0.2 IO IOT Offset current @ IP = 0, TA = 25°C Thermal drift of IO + 25°C .. + 70°C - 30°C .. + 25°C Max ± 0.15 ± 0.10 ± 0.40 ± 0.10 ± 0.50 tr Response time @ 90 % of VPN 15 % % Typ mA mA mA µs • • • • Excellent accuracy Very good linearity Low thermal drift High immunity to external interference. Applications • AC variable speed drives and servo General data motor drives TA TS N P R1 RS m Note : Ambient operating temperature Ambient storage temperature Turns ratio Total primary power loss Primary resistance @ TA = 25°C Secondary coil resistance @ TA = 70°C Mass Standards 1) - 30 .. + 70 - 40 .. + 85 2500 : 1000 6 60 115 60 EN 50155 °C °C W kΩ Ω g • Static converters for DC motor drives • Uninterruptible Power Supplies (UPS) • Power supplies for welding applications. Between primary and secondary. . 061005/2 LEM Components w w w .lem.com Dimensions LV 25-600/SP2 (in mm. 1 mm = 0.0394 inch) Front view Top view Secondary terminals Connection Terminal + : supply voltage + 12 .. 15 V Terminal M : measure Terminal - : supply voltage - 12 .. 15 V Mechanical characteristics • • • • General tolerance Fastening Connection of primary Connection of secondary Remarks ± 0.3 mm 4 holes ∅ 4.3 mm Faston 6.3 x 0.8 mm Faston 6.3 x 0.8 mm • IS is positive when VP is applied on terminal +HT. • The primary circuit of the transducer must be linked to the connections where the voltage has to be measured. LEM reserves the right to carry out modifications on its transducers, in order to improve them, without previous notice.