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

Weilin Li, Yang Yang and Xiaobin Zhang
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Weilin Li: Department of Electrical Engineering, College of Automation, Northwestern Polytechnical University, Xi’an 710072, China
Yang Yang: Aviation Key Laboratory of Science and Technology on Aerospace Power System, Shaanxi Aero Electric Co. Ltd., Shaanxi 713107, China
Xiaobin Zhang: Department of Electrical Engineering, College of Automation, Northwestern Polytechnical University, Xi’an 710072, China

Energies, 2018, vol. 11, issue 1, 1-17

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.

Keywords: generator control unit; variable frequency synchronous generator; more electric aircraft (search for similar items in EconPapers)
JEL-codes: Q Q0 Q4 Q40 Q41 Q42 Q43 Q47 Q48 Q49 (search for similar items in EconPapers)
Date: 2018
References: View complete reference list from CitEc
Citations: View citations in EconPapers (4)

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