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H2LSPC: High-Voltage Solid-State Circuit Breakers (2017-2021)

Updated: Mar 4

This project developed high voltage solid-state circuit breakers for future hybrid aircraft applications. The H2LSPC SSPCs have following characteristics:

  • Be able to +/- 1.25kV, 100A DC current

  • SiC MOSFET technology, 3.3kV, 300A SiC Power Module

  • TVS ad RC snubber circuit to suppress voltage transients

  • Temperature sensor within the module

SSPC gate drivers, H2LSPC power modules

Location of the H2LSPC SSPCs within the MW-level electric propulsion powertrain

SSPC topology concept

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