Analysis and Design of Power Converter Topologies for Application in Future More Electric Aircraft

Abstract

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Auto – Conversores Sincrónicos: Emulación de Generadores Sincrónicos con Conversores para la Inyección de Inercia Virtual en Sistemas de Potencia de 60 Hz Considerando Auto-sincronización

“…El circuito de conmutación está compuesto por transistores de potencia, usualmente IGBT, que son controlados por un PWM retroalimentado por el controlador MPPT. En el lado de la carga, se ubica otro capacitor igual a C que está conectado en paralelo con una resistencia (R) [32].…”

“…Figura 7: Topología básica del convertidor elevador CC-CC [32] Para el diseño del convertidor elevador usado en esta investigación, algunas consideraciones y valores son fijados previamente. De esta forma, la frecuencia de conmutación (fsw) será 5 kHz, el voltaje de entrada (Vin) igual a 26,4 V, el voltaje de salida (Vout) será 42 V, y la eficiencia del convertidor (ⴄ) del 90% para considerar las corrientes parasitas del circuito.…”

Multi-Objective Trade-Off Quantification Based Design Optimization for Power Electronic Systems in More-Electric-Aircrafts

“…These topologies suffer from bulky and heavy low-frequency transformer size, lack of DC-link voltage regulation flexibility, high degree of harmonic contents in the input currents, and additional cooling arrangement requirements [4]. In order to avoid the aforementioned issues of the conventional TRUs, an alternative approach is to design a regulated transformer rectifier unit (RTRU) [5] using an actively controlled three-phase AC/DC power factor correction (PFC) [6][7][8][9] and rectification stage followed by a DC/DC isolated converter stage [10][11][12][13][14][15][16] for next generation more-electric airplanes (MEAs).…”