National Aeronautics and Space Administration Hybrid-Electric Integrated Systems Testbed (HEIST) System Description Desired Research Outcomes Performance • Hybrid-electric propulsion • Hardware-in-Loop & SIM • 265-kW system • 200-kW batteries • 65-kW Capstone turbogenerator • Aerodynamic feedback using dynamometers Safety / Reliability • Emergency-Stop (E-stop) network • Capable of removing power from all sources (batteries or turbogenerator) and sinks (motors or dynamometers) • Contactor relay network • Capable of removing power form any (one or more) sources and/or sinks • Emulate failures, degraded performance, and off-nominal conditions Functionality • 4 Trailers (mobile test setup) • Testing from SIM & Cockpit • Test support station for added situational awareness POC: Kurt Papathakis [email protected] www.nasa.gov 1