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Thermal management of power electronics is an extremely challenging problem in the harsh environment of military hybrid vehicles, where the local air and liquid coolant's temperature exceed 100 °C under regular operating conditions. This paper presents the development work of a high heat flux, jet impingement-cooled heat exchanger for a 600-V/50-A silicon carbide (SiC) power module (rated at 175 °C...
De-rating of power electronics is a common practice in harsh environment operating conditions. Advanced cooling solutions are needed to overcome the thermal limitations and prevent the de-rating of power components. This study investigates a silicon carbide power module for 28 V DC to 300 V DC power conversion (or reverse) in military hybrid vehicle applications. A combined experimental and numerical...
A high-temperature, SiC JFET power module was designed for use in a bi-directional, single-stage DC-DC converter. The converter is the interface between a 28 V battery and a 300 V bus, and is required to operate in a harsh environment with an ambient temperature of 120 °C and available 100 °C water-ethylene glycol (WEG) coolant. The power module consists of two JFETs in a single pole configuration...
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