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Energies 2018, 11(1), 96; https://doi.org/10.3390/en11010096

Digital Generator Control Unit Design for a Variable Frequency Synchronous Generator in MEA

1
Department of Electrical Engineering, College of Automation, Northwestern Polytechnical University, Xi’an 710072, China
2
Aviation Key Laboratory of Science and Technology on Aerospace Power System, Shaanxi Aero Electric Co. Ltd., Shaanxi 713107, China
*
Author to whom correspondence should be addressed.
Received: 14 October 2017 / Revised: 20 December 2017 / Accepted: 28 December 2017 / Published: 2 January 2018
(This article belongs to the Section Electrical Power and Energy System)
View Full-Text   |   Download PDF [8766 KB, uploaded 23 January 2018]   |  

Abstract

Variable frequency power generation systems have been adopted for modern aircraft power systems, thus, a new generator control unit (GCU) must be designed to regulate the output voltage and obtain high quality power supply under a wide frequency range from 360 Hz to 800 Hz. In this paper, a dual digital signal processor (DSP) structure-based GCU was proposed. Multi-loop control structure was adopted with the controller parameters varying adaptively at different working conditions to obtain better performance. Different root-mean-square (RMS) calculation algorithms have been compared and the final RMS calculation scheme was determined to realize the trade-off between accuracy and computing efficiency. Experimental results show considerable performance improvements of the generator output voltage under various operating conditions with the proposed GCU. View Full-Text
Keywords: generator control unit; variable frequency synchronous generator; more electric aircraft generator control unit; variable frequency synchronous generator; more electric aircraft
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This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. (CC BY 4.0).
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Li, W.; Yang, Y.; Zhang, X. Digital Generator Control Unit Design for a Variable Frequency Synchronous Generator in MEA. Energies 2018, 11, 96.

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