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Content Provider | IET Digital Library |
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Author | Jiang, Yunyi Zhang, Zhuoran Jiang, Wenying Geng, Weiwei Huang, Jian |
Abstract | Fractional-slot concentrated-winding (FSCW) permanent magnet synchronous machines, which are characterised with high power density, fault tolerance and wide constant-power speed range, are gaining more and more attention in the aircraft starter generator (SG) systems. Nevertheless, the short-circuit (SC) fault, especially the turn-to-turn SC fault, is the obstruct crux in aviation applications. This study is aimed to demonstrate the feasibility of FSCW permanent magnet SG (PMSG) in dealing with turn-to-turn SC fault. The law of FSCW-PMSG SC fault is analysed and verified by finite-element analysis (FEA), including the influence on turn-to-turn SC current by the number of the shorted turns and the coil position in the slot. The three-phase current injection control is employed to mitigate the SC fault in PMSG when a turn-to-turn SC fault occurs. A 24-slot, 16-pole FSCW-PMSG with spoke-type rotor topology is designed to confirm the ability of inhibiting turn-to-turn SC current without the risk of irreversible demagnetisation. Both FEA and experimental results are presented, verifying the effectiveness of the three-phase current injection control in restraining the turn-to-turn SC current for FSCW PMSG in an acceptable range. |
Starting Page | 566 |
Ending Page | 574 |
Page Count | 9 |
ISSN | 17518660 |
Volume Number | 12 |
e-ISSN | 17518679 |
Issue Number | Issue 4, Apr (2018) |
Alternate Webpage(s) | https://digital-library.theiet.org/content/journals/iet-epa/12/4 |
Alternate Webpage(s) | https://digital-library.theiet.org/content/journals/10.1049/iet-epa.2017.0754 |
Journal | IET Electric Power Applications |
Publisher Date | 2018-01-29 |
Access Restriction | Open |
Rights Holder | © The Institution of Engineering and Technology |
Subject Keyword | Aerospace And Avionic Power Supplies Aircraft Power System Aircraft SG System Coil Position Concentrated-winding Permanent Magnet Aircraft Starter Generator Constant-power Speed Range Control of Electric Power System Current Control Electric Current Control Fault Tolerance FEA Finite Element Analysis Fractional-slot Concentrated-winding Permanent Magnet Synchronous Machine FSCW Permanent Magnet Synchronous Machine FSCW-PMSG SC Fault Permanent Magnet Generator Power Density Rotors SC Fault Mitigation Short-circuit Fault Shorted Turns Spoke-type Rotor Topology Starting Synchronous Generator Synchronous Machine Three-phase Current Injection Control Three-phase Current Injection Method Turn-to-turn SC Current Turn-to-turn SC Fault Turn-to-turn Short-circuit Fault Mitigation |
Content Type | Text |
Resource Type | Article |
Subject | Electrical and Electronic Engineering |
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