All Outputs (11)

An Advanced Modulation Technique Featuring Neutral Point Voltage Ripple Suppression of Three-Level Converters in High-Speed Drives (2021)
Journal Article

This paper introduces an advanced space vector modulation technique for three-level neutral-point-clamped (3L-NPC) converters. The studied 3L-NPC converters within aircraft electric starter generator (ESG) systems normally operate at high modulation... Read More about An Advanced Modulation Technique Featuring Neutral Point Voltage Ripple Suppression of Three-Level Converters in High-Speed Drives.

Neural Network aided PMSM multi-objective design and optimization for more-electric aircraft applications (2021)
Journal Article

This study uses the Neural Network (NN) technique to optimize design of surface-mounted Permanent Magnet Synchronous Motors (PMSMs) for More-Electric Aircraft (MEA) applications. The key role of NN is to provide dedicated correction factors for the a... Read More about Neural Network aided PMSM multi-objective design and optimization for more-electric aircraft applications.

An Overmodulation Algorithm With Neutral-Point Voltage Balancing for Three-Level Converters in High-Speed Aerospace Drives (2021)
Journal Article

In this article, a virtual space vector based overmodulation algorithm is presented for three-level neutral-point (NP) clamped converters in high-speed aerospace motor drives. With the proposed inscribed polygonal-boundary compression technique, the... Read More about An Overmodulation Algorithm With Neutral-Point Voltage Balancing for Three-Level Converters in High-Speed Aerospace Drives.

An enhanced feedforward flux weakening control for high-speed permanent magnet machine drive applications (2021)
Journal Article

Permanent magnet machines have been used in the high-speed drive applications due to their high-efficiency, high-power-density, and wide-speed range characteristics. However, control of such high-speed permanent magnet machines machine is always chal... Read More about An enhanced feedforward flux weakening control for high-speed permanent magnet machine drive applications.

Using DC-DC Converters as Active Harmonic Suppression Device for More Electric Aircraft Applications (2021)
Journal Article

Harmonics generated from power electronic converters will impose significant power quality challenges to the electric grid onboard future aircraft. In this article, we propose an innovative modulation scheme that enables using a buck-boost dc-dc conv... Read More about Using DC-DC Converters as Active Harmonic Suppression Device for More Electric Aircraft Applications.

Stability Improvement of Onboard HVdc Grid and Engine Using an Advanced Power Generation Center for the More-Electric Aircraft (2021)
Journal Article

In the high-power settings of engine, such as maximum take-off, more power should be extracted from the high-pressure spool of engine (HPS) than the low-pressure spool of engine (LPS) to avoid the overspeed and potential instability of the HPS. Howev... Read More about Stability Improvement of Onboard HVdc Grid and Engine Using an Advanced Power Generation Center for the More-Electric Aircraft.

Fault Tolerant Control of Advanced Power Generation Center for More-Electric Aircraft Applications (2021)
Journal Article

This paper presents a control scheme for a recently reported aircraft advanced power generation center (APGC) during postfault operation conditions. Within the APGC, two electrical generators extract power from two separate engine shafts and supply e... Read More about Fault Tolerant Control of Advanced Power Generation Center for More-Electric Aircraft Applications.

Suppression of First Side-Band Switching Harmonics Using DC-DC converters with an Advanced Modulation Scheme (2021)
Journal Article

The common dc-bus concept has become an attractive solution for future aircraft electrical power systems. This article considers the case where a battery connected dc-dc converter and a permanent magnet generator connected ac-dc converter are supplyi... Read More about Suppression of First Side-Band Switching Harmonics Using DC-DC converters with an Advanced Modulation Scheme.

An Enhanced Virtual Space Vector Modulation Scheme of Three-Level NPC Converters for More-Electric-Aircraft Applications (2021)
Journal Article

Multilevel converters have been used for aircraft electric starter/generator (ESG) systems due to their high power qualities. One of the desirable topologies is the three-level neutral-point-clamped (3L-NPC) converter. Our studied ESG system operates... Read More about An Enhanced Virtual Space Vector Modulation Scheme of Three-Level NPC Converters for More-Electric-Aircraft Applications.

Power Quality Improvement Using an Active Power Sharing Scheme in More Electric Aircraft (2021)
Journal Article

This paper proposed a harmonic suppression scheme that used a DC-DC converter as an active harmonic injector to cancel voltage harmonics on the HVDC bus within a hybrid power generation centre (HPGC). A permanent magnet synchronous generator and a ba... Read More about Power Quality Improvement Using an Active Power Sharing Scheme in More Electric Aircraft.

Active Modulation Strategy for Capacitor Voltage Balancing of Three-Level Neutral-Point-Clamped Converters in High-Speed Drives (2021)
Journal Article

In this article, the equivalent relationship between the nearest-three-virtual space vector and carrier-based pulsewidth-modulation scheme is established based on space vector coordinate for a three-level neutral-point-clamped (3L-NPC) converter. Mor... Read More about Active Modulation Strategy for Capacitor Voltage Balancing of Three-Level Neutral-Point-Clamped Converters in High-Speed Drives.