FSK-Based Energy and Signal Composite Modulation Strategy for Switched Reluctance Drive System

Fei Li, Chao Wang, Kecheng Li, Xin Wang, Dongsheng Yu and Herbert H. C. Iu
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Fei Li: School of Electrical Engineering and Automation, Jiangsu Normal University, Xuzhou 221116, China
Chao Wang: School of Electrical and Power Engineering, China University of Mining and Technology, Xuzhou 221116, China
Kecheng Li: School of Electrical and Power Engineering, China University of Mining and Technology, Xuzhou 221116, China
Xin Wang: School of Electrical and Power Engineering, China University of Mining and Technology, Xuzhou 221116, China
Dongsheng Yu: School of Electrical and Power Engineering, China University of Mining and Technology, Xuzhou 221116, China
Herbert H. C. Iu: School of Electrical, Electronic and Computer Engineering, The University of Western Australia, 35 Stirling Highway, Crawley, WA 6009, Australia

Energies, 2020, vol. 13, issue 13, 1-21

Abstract: A DC-distributed power system consists of a large quantity of subsystems with power converters. The interaction among these subsystems will affect the operation performance of the whole system. Therefore, data communication plays a very important role in system control and equipment monitoring. The present study proposes a dual modulation method of power/signal based on Switched Reluctance Drive (SRD), which can transmit signals simultaneously with power conversion and can promise data communication of the system with lower cost. This proposed method uses the ripple inherent as the carrier of the signal in the power circuit and adopts Pulse width modulation (PWM)/frequency shift keying (FSK) composite modulation to realize the reverse transmission of signals from the load to the power supply. Results of simulations and experiments indicate that this new method is effective in data communication.

Keywords: DC-distributed power system; switched reluctance motor; data communication; power/signal dual modulation (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: 2020
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