The Research Unit High-Voltage Technologies can access the equipment of the Center for Energy Technology for research tasks and contract services.
High voltage laboratory
shielded laboratory with attenuation > 80 dB up to 10 MHz
AC voltage: 100 kV / 100 mA or 200 kV / 50 mA at 50 Hz
DC voltage: +300 kV or -350 kV at 50 mA
pulse voltage: 135 kV (1.2/50 µs and 250/2500 µs) positive and negative
medium frequency AC voltage: 50 kV at 1 to 30 kHz sinusoidal
generation of any mixed voltage forms
partial discharge measurement according to IEC 60270 (basic noise level < 1 pC)
Diagnostic laboratory
flexible modular system up to 30 kV for the construction of various test setups, e.g. for material testing or parameter determination
determination of the relative permittivity and the dielectric loss factor of different insulating materials (Tettex 2818 measuring bridge, max. 12 kV, 50 Hz)
measuring station for material diagnostics in the frequency range (LCR measurement, N4L PSM3750/IAI2, 10 V, 10 µHz to 50 MHz)
measuring station for material diagnostics in the time domain (electrical conductivity by means of PDC analysis with electrometer, Keithley 6517B and Keysight B2985A)
furnace for measurement at temperatures up to 300°C