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Description
Aviation electrification is at the center of attention in reducing CO2 emissions. Aircraft are responsible for around 2.4 % of the annual global carbon emissions. This is the motivation behind the development of fully electric, zero-emission aircraft. The advantages of superconductivity, including compactness, lightweight, and high efficiency, make this technology a promising choice to accelerate the transition to electric aviation. A large electric aircraft's powertrain includes motors, converters, DC and AC cables, batteries, fuel cells, fault current limiters, power generators, and fuel storage. This work focuses on modeling two components: resistive superconducting fault current limiter (RSFCL) and HTS DC cable. The adiabatic and non-adiabatic, electrical-thermal lumped-parameter models of the RSFCL are developed in MATLAB. In addition, a configurable MATLAB SIMULINK model of the fault limiter is designed for integration with wider systems models. Moreover, three electrical-thermal models of the HTS DC cable are explained and compared: lumped parameter (0-D), one-dimensional (1-D), and two-dimensional (2-D). Considering the 2-D model as the most credible, the comparison results show that in the case of events (e.g., fault), the lumped-parameter is a suitable and fast short-term solution (during fault). In contrast, in the long-term (after fault), the 1-D and 2-D models are preferred solutions. The results also show that the longer the cable, the higher the credibility of the 2-D model over the 1-D model. A SIMULINK cable model is designed using the lumped-parameter method to simulate its behavior during fault. The designed SIMULINK models of RSFCL and cable give users a high advantage of adjustability and adaptability. Finally, the simulation of a network consisting of these two components in SIMULINK is discussed. The results show the successful performance of the RSFCL to limit the fault current and protect the cable from quench.
| Topic | Innovative methods and tools for modelling large-scale HTS systems |
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