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| Voltage Transducer DCVT 1000/SP1 For the electronic measurement of DC voltages with a galvanic isolation between the primary circuit (high voltage) and the secondary circuit (electronic circuit). VPN = 1000 V Preliminary All Data are given with a R L = 10 k Electrical data VPN VPmax VP RP RL VOUT Primary nominal voltage Primary voltage measuring range Not measurable overload Primary input resistance Load impedance Output voltage 1) 1000 V DC 56 .. 1400 V DC 3000 (1s/h) VDC appr. 97.5 M 10 k VOUT = a x VP - b V a = 0.01 0.5 % b = 0.3 0.1 appr. 1 mA/kV 5.5 kV 2.2 kV Features * Self-Powered * Insulated plastic case recognized according to UL 94-V0 * Included primary resistor IC Vd Ve Current consumption R.m.s. voltage for AC isolation test, 50 Hz,1 min R.m.s. voltage for partial discharge extinction @ 10pC Advantages * Low power consumption * Very good linearity * Low thermal drift * High immunity to external interference Accuracy-Dynamic performance data XG XG * Low disturbance in common mode 1.5 3.5 < 0.5 < 100 % % % s tr L Overall Accuracy @ VPN, TA = +25C Overall Accuracy @ VPN, TA = -15 .. +70C Linearity @ TA = 25C Response time @ 10% of VPN Applications * Static converters for DC motor drives * Battery supplied applications * Uninterruptible Power Supplies (UPS) General data TA TS dCp dCl CTI Ambient operating temperature Ambient storage temperature Creepage distance Clearance distance Comparative tracking index (Group ) UL94 classification Potting material Mass -15 .. +70 C -25 .. +85 C > 10 mm none 600 V V0 Polyurethane resin, UL94 V0 appr. 400 g * DC voltage monitoring m This is customer specific model. Utilization restricted to agreed specifications. Notes : 1) See graphical presentation of transfer function overleaf. 041005/0 LEM Components www.lem.com Dimensions DCVT 1000/SP1 (in mm. 1mm = 0.0394 inch) Front view 2m 100 100 2m Left view 48 28 HT+ HT- 124 138 Top view Vout 40 63 d6.5 13.7 9.7 30 a 0.26 0 -b 56 1000 1400 Vp Vout=a*Vp-b --> Vp=(Vout+b)/a a=0.01 +/-0.5% b=0.3 +/-0.1 Mechanical characteristics * General tolerance * Transducer fastening Distance between holes 1 mm 2 holes 6.5 mm 124 mm Remark * IS is positive when VP is applied on terminal +HT. * Connection Primary Secondary 2m halogen free 1 x 1.5 mm2 cable 2m halogen free 2 x 0.5 mm2 + EMC screen 2.2 Nm or 1.62 Lb-Ft. * Recommended fastening torque LEM reserves the right to carry out modifications on its transducers, in order to improve them, without previous notice. |
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