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Department of Advanced Powertrains
Impedance spectroscope

Impedance spectroscope
Kolibrik StackEIS

The "StackEIS-M" from Kolibrik is a precise testing system for EIS analysis of hydrogen fuel cell stacks with up to 512 cells and current up to 650 A. The system is designed for the cooperation with an external DC load which handles most of the stack power, which is up to 300 kW. The maximum peak dissipation of the StackEIS-M system is 16 kW and it is also water cooled.

The EIS acquisition is simultaneous on all 512 channels, the system is suitable for rapid and precise end-of-line testing. The system also provides cell voltage monitoring feature, even during EIS aquisition.

Technical data:

  • Load configuration: for parallelization with external DC load
  • Input voltage: 10 up to 600 V
  • Input current: 0 up to 120 A, max. 16 kW
  • Cooling: water
  • EIS-impedance spectroscopy: 1 mHz up to 100 kHz
  • EIS amplitude: 0 up to 50 A
  • Number of EIS channels: 512
  • EIS channel voltage range: ±1,5 V

Information

  • Domain: Measuring Technique