COPOCO

Optimizing power density of aircraft inverter by optimized topology and PWM-pattern

 Coordinatore TECHNISCHE UNIVERSITAET DARMSTADT 

 Organization address address: Karolinenplatz 5
city: DARMSTADT
postcode: 64289

contact info
Titolo: Dr.
Nome: Melanie
Cognome: Meermann-Zimmermann
Email: send email
Telefono: +496151 16 57225

 Nazionalità Coordinatore Germany [DE]
 Totale costo 496˙084 €
 EC contributo 372˙063 €
 Programma FP7-JTI
Specific Programme "Cooperation": Joint Technology Initiatives
 Code Call SP1-JTI-CS-2013-03
 Funding Scheme JTI-CS
 Anno di inizio 2014
 Periodo (anno-mese-giorno) 2014-10-01   -   2016-11-30

 Partecipanti

# participant  country  role  EC contrib. [€] 
1    TECHNISCHE UNIVERSITAET DARMSTADT

 Organization address address: Karolinenplatz 5
city: DARMSTADT
postcode: 64289

contact info
Titolo: Dr.
Nome: Melanie
Cognome: Meermann-Zimmermann
Email: send email
Telefono: +496151 16 57225

DE (DARMSTADT) coordinator 372˙063.00

Mappa


 Word cloud

Esplora la "nuvola delle parole (Word Cloud) per avere un'idea di massima del progetto.

kw    upon    levels    switching    chapter    inverter    dt    cmv    rtca       topology    dv    density    core    cmc    power    cooled   

 Obiettivo del progetto (Objective)

'The project is aimed at an increase of power density (kW per kg) of a three-phase inverter for aerospace application (power range 10 … 50 kW) of at least 10% with a concomitant compliance with RTCA DO-160, chapter 21 CMC limits.

The increase in power density will be achieved by implementing an innovative topology based upon: • Transition of the H5 or HERIC topology from single phase to a three phase inverter implementation • Application of the 3L-T-Type inverter which can be derived from a 2L-inverter with three additional, bidirectional switches which connect the AC terminals with the center-tapped DC link • And applying of appropriate modulation techniques which make use of switching states with reduced CMV levels

The resulting solutions will be compared with a state-of-the-art 2L-VSI power core based upon the following criteria: • Produced CMV and CMC levels, given by a quality parameter based upon RTCA DO-160, chapter 21 • Total weight for a 10 kW and a 50 kW power core implementation taking into account all relevant parts incl. gate driver, passive components for filter and cooling. The 10 kW power will be air cooled (natural convection), the 50 kW power core liquid cooled • Efficiency • the influence of the switching speed dv/dt will be taken into account, as today there exists a limit of approximately 5 kV/µs for the motor. Furthermore a too high dv/dt produces a significant amount of EMI'

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