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