HDPR High Speed Distance Protection Relay Set Didactic Equipment Electrical Installation Lab
Basically, it is a relay that senses the current and voltage of the protected line and calculates its impedance Z. TECHNICAL CHARACTERISTICS: The set includes: 1 module SR-16 - Distance Protection Relay • Distance protection relay based on the Siemens SIPROTEC4 7SA6 • For all voltages level • High speed tripping time • Protects even very short lines • I (PH)= 1A; Ie= sensitive (min 30 mA) • Auxiliary power supply: 24 to 48 VDC • With 5 24VDC inputs + 9 relay outputs, 5 A DC • Distance protection function: quadrilateral (Z<) • Directional earth-fault protection, earthed networks • Earth-fault detection compensated/isolated networks Dimensions: 840 x 450 x 680 mm Net weight: 33 kg 1 module SR-20 - Line Distance simulator(to be used with the Module SR-16) • HV line model: PI concentrated parameters • Simulated distances: 25-50 and 100 km • Simulated Un= 120 kV • Simulated Pn= 20 MVA • Working current: 1 A • Distributed equivalent resistance (concentrated values) =8.9-18-35 Ω • Distributed equivalent inductance (concentrated values) =144-72-36 mH • Distributed equivalent capacitance (concentrated values) =0.1-0.2-0.4 µF Dimensions: 840 x 450 x 300 mm Net weight: 15 kg 1 module SR-21 Isolation transformer(to be used with the Module SR-16) • Primary: 230/400 v - 50 Hz • Sec. 1: 50/100 V - 8.6 A • Sec. 2: 230/400 V - 2.17 A • Power: 1500 VA • For practical exercises on the shortcircuit Dimensions: 360 x 200 x 300 mm Net weight: 19 kg Supply with THEORETICAL – EXPERIMENTAL HANDBOOK
Login 
Inquiry List
