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The ISA STS5000 is a multifunction primary current injection testing system designed to perform primary tests requested in substations commissioning. It allows to accurate testing on CTs, VTs, PTs and ground grid. With a bright color display
Fully automaticPrimary injection testing capabilities: up to 800 A or up to 3000 A, with the optional module BUX 3000Variable output frequency: 15 - 500 HzPower dissipation factor test with the optional module TD 5000 ( voltage up to 12 kV)2000 v AC high-pot testLocal control by large color displayPADS - Power Apparatus Diagnostic Software for automatic testing, assessment and reportIEC 61850-9-2 communication protocolPatented technology for Capacitance and Tan Delta measurementUSB interface and Ethernet interface for PC connection.Compact and lightweight.
TEST DESCRIPTION1 CT Ratio, Voltage mode2 CT Ratio, polarity and burden with high ACcurrent3 CT Burden, secondary side; ALF/ISF4 CT Excitation curve5 CT Winding or burden resistance6 CT Voltage withstand7 CT Remote polarity check8 CT Rogowski coil transformers9 CT Low power transformers10 CT Tan Delta measurements11 VT Ratio; polarity12 VT Burden, secondary side13 VT Ratio, electronic transformers14 VT Voltage withstand15 VT Remote polarity check16 VT Tan Delta measurements
17 PT Ratio per TAP18 PT Vector group19 PT Static and dynamic resistance of TapChanger contacts20 PT No-load current21 PT Short-circuit impedance22 PT Tan Delta measurements23 CB High DC current micro-Ohmmeter test24 CB Tan Delta measurements25 CB, RELAY Current threshold and timing26 R Ground resistance and resistivity27 R Step and touch voltages28 L Measurement of line impedance and ofthe related parameters29 Capacitor Measurement of the capacitanceBanksTests are performed in accordance with the IEC standards
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