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一種新型同向環形繞組四面體直線發電機

來源：電工電氣發布時間：2025-03-03 13:03 瀏覽次數：315

一種新型同向環形繞組四面體直線發電機

司源，聶瑞

(鄭州大學電氣與信息工程學院，河南鄭州 450001)

摘要：針對直驅式波浪發電系統所需的高推力密度永磁同步直線發電機，提出了一種新型同向環形繞組四面體直線發電機(ETWTLG)，研究了其可行的極槽配合方式以及兩種重要極槽配合方式下的電磁性能。利用解析法分析了同向環形繞組電樞反應磁場諧波特性，并基于氣隙磁場調制統一理論揭示了所提 ETWTLG 的運行機理以及可行的極槽配合方式。以 6 槽 4 極和 6 槽 8 極為例，通過二維等效模型和三維有限元模型仿真分析了兩臺不同極槽配合 ETWTLG 的電磁性能。實驗測試結果驗證了所提 ETWTLG 的拓撲可行性以及分析結果的正確性，為同向環形繞組發電機的進一步研究提供了重要參考，同時也為直驅式波浪發電系統提供了一種優選發電機拓撲。

關鍵詞： 電磁性能分析；極槽配合；四面體直線發電機；同向環形繞組；永磁同步直線發電機

中圖分類號：TM313 文獻標識碼：A 文章編號：1007-3175(2025)02-0038-08

A Novel Tetrahedral Linear Generator with Equidirectional Toroidal Winding

SI Yuan, NIE Rui

（School of Electrical and Information Engineering of Zhengzhou University, Zhengzhou 450001, China）

Abstract: In response to the need for high thrust density permanent magnet synchronous linear generators in direct-drive wave power generation systems, this paper proposes a novel equidirectional toroidal winding tetrahedral linear generator (ETWTLG) and focuses on the feasible pole-slot configurations and the electromagnetic performance of two important pole-slot configurations. First, the armature reaction magnetic field harmonic characteristics of the equidirectional toroidal winding are analyzed using analytical methods, and the operating mechanism and feasible pole-slot configurations of the proposed ETWTLG are revealed based on the unified theory of air-gap magnetic field modulation. Then, taking 6-slot 4-pole and 6-slot 8-pole configurations as examples, the electromagnetic performance of the two ETWTLGs with different pole-slot configurations is simulation analyzed using two-dimensional equivalent model and three-dimensional finite element model. Finally, experimental test results verify the feasibility of the proposed ETWTLG topology and confirm the accuracy of the analysis results, which provides important references for further research on equidirectional toroidal winding generators and offers an optimized generator topology for direct-drive wave power generation systems.

Key words: electromagnetic performance analysis; pole-slot configuration; tetrahedral linear generator; equidirectional toroidal winding;permanent magnet synchronous linear generator

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一種新型同向環形繞組四面體直線發電機