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STS 5000
Multifunction substation test set
STS 5000 is a multifunction substation maintenance & commissioning test system for current, voltage and power transformers designed to perform primary tests requested in substations commissioning. It allows to perform accurate tests on CTs, VTs, PTs and ground grid.
Main features
- Fully automatic
- Primary injection testing capabilities: up to 800 A or up to 5000 A / 7000 A, with the optional module BUX 5000
- Variable output frequency: 15 - 500 Hz
- Power dissipation factor test with the optional module TD 5000 ( voltage up to 12 kV)
- 2000 v AC high-pot test
- Local control by large color display
- PADS - Power Apparatus Diagnostic Software for automatic testing, assessment and report
- IEC 61850-9-2 communication protocol
- Patented technology for Capacitance and Tan Delta measurement
- USB interface and Ethernet interface for PC connection.
- Compact and lightweight
Tests performed
- CT ratio
- CT ratio voltage mode
- CT polarity
- CT burden secondary side
- ALF
- ISF
- CT excitation curve
- CT knee voltage
- CT winding resistance
- burden resistance
- voltage withstand
- rogowski coil
- low power transformer
- CT IEC 61850-9
- VT ratio
- VT polarity
- VT burden secondary side
- VT IEC 61850-9
- PT ratio
- PT vector group
- PT winding resistance
- OLTC tap changer dynamic resistance;
- PT excitation current
- PT no load current
- PT short circuit impedance
- PT leakage reactance
- Micro-ohmmeter
- CB operation time
