Title :
Discriminative acquisition of power IGBT low rate transients
Author :
Ermel, V. ; Kurrat, M. ; Meisner, J. ; Kahmann, M.
Author_Institution :
Inst. for High Voltage Technol. & Electr. Power Syst., Tech. Univ. Braunschweig, Braunschweig, Germany
Abstract :
The frequency spectrum of the power IGBT circuit originates mostly from high gradient switching and low rate conduction components. A chopper circuit is introduced for the acquisition of the IGBT low rate transients in the conductive stage of operation. A Zener discriminator enhances the measurement accurateness by two orders of magnitude. The experimental results are presented for a half-bridge converter. Measurement uncertainties are acquired with DC and impulse calibration apparatus.
Keywords :
bridge circuits; power convertors; power semiconductor switches; semiconductor device testing; transients; voltage measurement; DC apparatus; Zener discriminator; chopper circuit; discriminative acquisition; frequency spectrum; half bridge converter; high gradient switching; impulse calibration apparatus; low rate conduction; low rate transient; power IGBT; Current measurement; Insulated gate bipolar transistors; Measurement uncertainty; Semiconductor device measurement; Switches; Transient analysis; Voltage measurement; IGBT; Measurement; converters; discriminator; voltage transients;
Conference_Titel :
Applied Measurements for Power Systems (AMPS), 2012 IEEE International Workshop on
Conference_Location :
Aachen
Print_ISBN :
978-1-4673-1540-1
DOI :
10.1109/AMPS.2012.6343990
