Abstract
In order to implement reliable and flexible power management among energy sources, a decentralized power management approach for electrical power systems (EPSs) in the more electric aircraft (MEA) is studied. Considering the increased use of electrical power for various functions, the performance of MEA would be determined by the design and operation of the EPS. By using a virtual impedance that includes both a resistive term and an inductive term, autonomous power sharing is realized. Because of the frequency dependence in the virtual impedance, different power sharing ratios between steady state and transient state can be considered. Not only the operation of various power sources is coordinated without supervision of a centralized controller, but also the operation profile of each source can be adjusted to meet output characteristics of each source. To demonstrate the effectiveness of the proposed approach, a series of simulations that consider various virtual impedance configurations were conducted. The proposed approach contributes to a higher level of operational flexibility, while enabling reliable and cost-effective management of MEAs.
Highlights
This paper studies a decentralized approach for electrical power systems (EPS) management in more electric aircraft (MEA) platforms
This paper introduced a decentralized control approach for EPS control in MEA platforms
By using the virtual impedance, the output of different power sources can be coordinated without relying on extensive communication among
Summary
This paper studies a decentralized approach for electrical power systems (EPS) management in more electric aircraft (MEA) platforms. While the EPS architecture shouldonbea selected based on a comprehensive reviewitofhas various reported that selecting dc for power distribution seems to be a promising option from the factors, it has been reported that selecting 270 V dc for power distribution seems to be a promising perspective weight and stability [9]. EPS architecture [9], requirements power quality, efficiency, weight), optimization studies onsubsystems the overall and components [12]subsystems have been architecture [9], andperformed. Droop-based approaches that that manage manage power power sharing sharing during during transients transients have have been pass filters and high pass filters cancan be been studied.
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