HV testing at 50 or 60Hz requires a large power source, often weighing several tonnes, which comes with a large ‘footprint’. The LIFEVIEW® QLF package utilises a very low frequency (VLF) (0.1Hz) power source, cutting down the footprint of your HV power source to something that can be wheeled around in a trolley case – allowing access to even the most inhospitable environments.
The LIFEVIEW QLF measurement device combined with this VLF HV source enables you to measure the Partial Discharge (PD), Dissipation Factor (Tan Delta), Insulation Resistance (IR) and Polarisation Index (PI) levels of your rotating electrical machine. With a reduced HV source footprint weighing less than 60kg, when you are working in remote parts of the world, or in cramped conditions, the LIFEVIEW QLF is the definitive tool for your testing needs.
HV Source | |
Input Voltage: | 100V-240V, 50/60Hz (400VA) |
Output Voltage: | Sinusoidal: 0 - 34kV Peak, 0-24 kV rms |
DC: | ±34kV |
Squarewave: | 34kV |
Dimension (WxHxD): | 430 x 360 x 250mm |
Weight: | 20kg |
Data Acquisition | |
Standards: | IEC60270 & IEC TS 60034-27 |
Partial Discharge: | 1 channel |
A/D Converter Resolution: | 16 bits – Y-axis normalised in [pC] or [nC] |
Real Time Processed Pulse Repetition Rate: | 50kS/s |
Partial Discharge Cutoff Frequency: | Low: 100kHz, 500kHz |
High: | 500kHz, 1MHz, 2MHz |
Capacitance Range: | 2nF .. 10μF |
Loss Factor Range: | 10-5 .. 1000 exponential |
Voltage Range: | 500V .. 20kVrms |
Frequency Range: | 0.05 .. 0.15 Hz |
Current Range: | 450μA, 4.5mA, 50mA |
Software | |
Graphical User Interface for: | PRPD patterns Calculation of apparent charge according to above IEC standards Tan Delta measurement Capacitance, Voltage and Current measurement IR and PI measurement Instrument acquisition control panel |
Power Supply | |
Power Supply: | 100 - 240V AC // 50-60Hz |
Operating Temperature: | 0 to 45°C |
Humidity: | 10% to 90% |
As part of the Quartzelec group of engineering companies, a full service support can be provided for all Quartzteq products. From design and upgrades through to installation and testing. Read more about the full scope of Quartzelec’s service offering.