Optimization and Performance Improvement of a Hybrid Excitation Synchronous Machine With Modular Magnetic-Shunting Rotor

Liu, Ye; Wang, Chen; Gao, Huamin

doi:10.1109/tie.2019.2927183

Cited by 16 publications

(8 citation statements)

References 25 publications

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“…Regarding the requirements of electrical equipment for vehicles, the main technical indexes are shown in Table 1. The short-circuit triangle method, shown in Formula (1), was used to preliminarily estimate the required volume of the permanent magnet [28]:…”

Section: Parameters Of the Permanent Magnetmentioning

confidence: 99%

“…According to the relationship between the volume reduction percentage of the permanent magnet and the power factor in Figure 3, the percentage reduction in the volume of the permanent magnet was 12.5% when the value of cosφ was 0.85, and the volume of the permanent magnet was calculated using Formula (3). The short-circuit triangle method, shown in Formula (1), was used to preliminarily estimate the required volume of the permanent magnet [28]:…”

Section: Parameters Of the Permanent Magnetmentioning

confidence: 99%

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The Design and Optimization of a Novel Hybrid Excitation Generator for Vehicles

Ma,

Gu,

Wang

et al. 2024

WEVJ

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Silicon rectifier generators, which are single-excitation generators, are commonly used in vehicles. However, a traditional single-excitation generator cannot satisfy the requirements of modern vehicles due to its low efficiency, high failure rate and large excitation loss; a hybrid excitation generator is more suitable for a wide range of applications in vehicles because of its many advantages. In this study, a novel, high-efficiency and energy-saving hybrid excitation generator with a claw-pole series magnetic circuit for vehicles was designed. The magnetic circuit and principle of operation were analyzed. The structure parameters of the hybrid excitation generator were initially designed according to motor design theory. The model of the hybrid excitation generator was built based on the finite element method, and the no-load characteristic was analyzed. Furthermore, the influences of the permanent magnet thickness and core slot width on the performance of the generator were analyzed. According to the results, the structural parameters were optimized. The no-load output characteristics and load characteristics were compared between the generator and a silicon rectifier generator, and the test results show that the design, simulation and optimization methods were reasonable. This provides theoretical support and research methods for the development of a hybrid excitation generator.

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Section: Parameters Of the Permanent Magnetmentioning

confidence: 99%

Section: Parameters Of the Permanent Magnetmentioning

confidence: 99%

The Design and Optimization of a Novel Hybrid Excitation Generator for Vehicles

Ma,

Gu,

Wang

et al. 2024

WEVJ

View full text Add to dashboard Cite

show abstract

“…It has the advantages of convenient magnetic field regulation, high efficiency and wide speed range. So the hybrid excitation machine has broad application prospects in aerospace, electric vehicles and new energy fields [1][2][3][4][5][6].…”

Section: Introductionmentioning

confidence: 99%

Operating principle and performance analysis of a novel flux–torque regulation hybrid excitation machine with axial–radial magnetic circuit using magnetic network

Qiu

Zhang

et al. 2023

IET Electric Power Appl

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In order to solve the problem of the decreasing torque density caused by the complex structure of the hybrid excitation machine, a novel flux–torque regulation hybrid excitation machine with axial–radial magnetic circuit is proposed by the authors, which innovatively realises the increase of additional torque and the regulation of the magnetic field by an axial structure. In particular, the additional torque has a certain boost to the output torque under the flux‐weakening condition of the machine. Based on the equivalent magnetic network model, the flux regulation principle of the machine is analysed, and the expressions for the flux linkage and no‐load back electro‐motive force are given to obtain the important factors affecting the flux regulation. Based on the analysis of complex forces generated by the rotating permanent magnet in the coupling magnetic fields, the generation and control principle of the additional torque is expounded. The expression of the additional torque is derived by the Maxwell stress tensor method, which can determine the main influencing factors and these relationships. Finally, the rationality of the proposed hybrid excitation machine structure is verified by experiments.

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“…Many scholars have made a lot of research studies on the HEGs. Liu et al [13] proposed a HEG with series magnetic circuit. Comparing with other types of HEG, the structure of machine is simpler.…”

Section: Introductionmentioning

confidence: 99%

Electromagnetic Design and Flux Regulation Analysis of New Hybrid Excitation Generator for Electric Vehicle Range Extender

Zhang

Geng

et al. 2021

Journal of Electrical and Computer Engineering

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Aiming at the problem of uncontrollable magnetic field of permanent magnet generators, a new hybrid excitation generator (HEG) with parallel magnetic circuit is proposed. The HEG consists of combined permanent magnet rotor (PMR) and brushless electric excitation rotor (EER). The PMR has surface-mounted and embedded magnets. The PMR provides the main air gap field, and the brushless EER is used to adjust the air gap field. The operating principle and electromagnetic design scheme of the proposed generator are given in detail. Besides, the matching with two different types of rotors and the flux regulation characteristics is analyzed by using the finite element method. Finally, the output performance of the proposed generator including no-load and load characteristics and output voltage are tested. The results show that the two different types of rotors can be matched efficiently and operated reliably. The internal magnetic flux is easy to adjust in both directions, and the proposed HEG can output stable voltage in the range of wide speed and load.

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Optimization and Performance Improvement of a Hybrid Excitation Synchronous Machine With Modular Magnetic-Shunting Rotor

Cited by 16 publications

References 25 publications

The Design and Optimization of a Novel Hybrid Excitation Generator for Vehicles

The Design and Optimization of a Novel Hybrid Excitation Generator for Vehicles

Operating principle and performance analysis of a novel flux–torque regulation hybrid excitation machine with axial–radial magnetic circuit using magnetic network

Electromagnetic Design and Flux Regulation Analysis of New Hybrid Excitation Generator for Electric Vehicle Range Extender

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