Purdue University Graduate School
Computation of Large Displacement Stability Metrics in DC Power Systems.pdf (3.91 MB)

Computation of Large Displacement Stability Metrics in DC Power Systems

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posted on 2019-08-15, 14:57 authored by Carl J OlthoffCarl J Olthoff
Due to the instabilities that may occur in dc power systems with regulated power electronic loads such as those used in aircraft, ships, as well as terrestrial vehicles, many analysis techniques and design methodologies have been developed to ensure stable operation following small disturbances starting from normal operating conditions. However, these techniques do not necessarily guarantee large-displacement
stability following major disturbances such as faults, regenerative operation, pulsed loads, and/or loss of generating capacity. In this thesis, a formal mathematical definition of large-displacement stability is described and the analytical conditions needed to guarantee large-displacement stability are investigated for a notional dc power system. It is shown possible to guarantee large-displacement stability for any piecewise continuous value of load power provided it is bounded by the peak rating of the dc source.


Degree Type

  • Master of Science in Electrical and Computer Engineering


  • Electrical and Computer Engineering

Campus location

  • West Lafayette

Advisor/Supervisor/Committee Chair

Oleg Wasynczuk

Additional Committee Member 2

Steve Pekarek

Additional Committee Member 3

Dionysios Aliprantis