Reliability Assessment of Conventional Three-Level Inverters for Use in Hybrid Unmanned Aerial Vehicles

Article Type:
Research/Original Article (دارای رتبه معتبر)
This research has investigated the reliability of conventional three-level inverters. In recent years, many multi-level inverters have been introduced and developed. The most well-known of them are Neural Point Clamped (NPC), Floating Capacitor (FC), and Cascade H-Bridge (CHB). Through these structures, various types of multi-level inverters have been created, which are used to achieve higher efficiency, reduce the number of diodes, switches, and most importantly, increase reliability. Increasing reliability in aerospace systems is very important. In this paper, we will determine the reliability of conventional three-level inverters that used in the Hybrid Drone motor drive system. The result shows that the CHB inverter structure is more reliable than the other two types. On the other hand, in applications like hybrid Drone motor drives that use multiple energy sources, the use of the CHB structure provides greater flexibility in design and increases reliability.
International Journal of Reliability, Risk and Safety: Theory and Application, Volume:6 Issue: 1, Jul 2023
97 to 109  
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