Study of Efficiency Characteristics of Interior Permanent Magnet Synchronous Motors

Feng, Shun; Jiang, Wenying; Zhang, Z.; Zhang, J.; Li, Y.; Wang, Y.

doi:10.1109/tmag.2018.2847328

Cited by 29 publications

(20 citation statements)

References 8 publications

Supporting

Mentioning

Contrasting

Order By: Relevance

“…Thus, the coupling effect between the radial and tangential air-gap flux densities caused by the stator slot is implied in (22), but ignored in [21]. By substituting (10)- (12) and 20into (22), the general analytical formulas of the radial and tangential air-gap flux densities of IPM motor under the no-load condition, which consider the slotting effect, can be obtained. Subsequently, the sources, spatial orders and frequency characteristics of the air-gap flux density components under the no-load condition are summarised in Table 2.…”

Section: Complex Relative Permeancementioning

confidence: 99%

“…To date, the air-gap magnetic field of surface-mounted permanent magnet (SPM) motors can be computed accurately and rapidly, due to their regular permanent magnet (PM) layout and simple boundary conditions [1][2][3][4][5][6][7][8][9]. Compared with SPM motors, interior permanent magnet (IPM) motors are equipped with higher torque density on account of their reluctance torque, wider speed range with constant power and higher mechanical strength of rotor [10,11], so that they gradually become superior candidates of driving motors in electric vehicles [12][13][14][15]. However, since the PMs are buried in the rotor core, serious problems, such as flux leakage and saturation [16], make the distribution of the air-gap magnetic field of IPM motors more complex.…”

Section: Introductionmentioning

confidence: 99%

See 1 more Smart Citation

Analytical modelling of air‐gap magnetic field of interior permanent magnet synchronous motors

Zuo

et al. 2020

IET Electric Power Applications

View full text Add to dashboard Cite

A general analytical model, which is applied to pre‐estimate the air‐gap magnetic field of interior permanent magnet synchronous motors (IPMSM) under the no‐load and load conditions, is proposed in this study. First, the analytical formulas of both the slotless permanent magnetic field and the armature reaction magnetic field are derived, respectively, by virtue of solving the Laplace field equation in polar coordinates. Then, the complex relative permeance is employed to account for the slotting effect. Subsequently, the proposed analytical model, which can reflect the spatial and temporal distribution characteristics of the air‐gap magnetic field, has been applied in a 4‐pole‐24‐slot IPMSM as an example. Finally, the analytical air‐gap magnetic field with the spatial order and frequency characteristics is validated by the finite‐element result. Additionally, the consistency between the analytical and finite‐element results further indicates that the proposed analytical model is effective.

show abstract

Section: Complex Relative Permeancementioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Analytical modelling of air‐gap magnetic field of interior permanent magnet synchronous motors

Zuo

et al. 2020

IET Electric Power Applications

View full text Add to dashboard Cite

show abstract

“…This method can effectively reduce the stator copper loss, therefore improving the PMSM efficiency. In [15], a new relationship between torque, current amplitude, and current angle during optimal operation is established to calculate the current excitations in the MTPA control strategy, this method can accurately estimate the stator current, thereby reducing the copper loss error caused by calculation. However, the iron loss generated during the operation of PMSM is ignored in the MTPA control strategy that limits the further increase of motor efficiency [16].…”

Section: Introductionmentioning

confidence: 99%

Operation Efficiency Optimization for Permanent Magnet Synchronous Motor Based on Improved Particle Swarm Optimization

Chen

Shu

et al. 2021

IEEE Access

View full text Add to dashboard Cite

“…The simple structure of permanent magnet synchronous motors (PMSMs) combined with their useful features like high efficiency and high power‐density make them ideal for use in aerospace applications, transportation and industrial manufacturing [1–3]. It is possible to vary the air‐gap magnetic flux density, back electromotive force and torque characteristic of the motor using different types of stator slots.…”

Section: Introductionmentioning

confidence: 99%

Influence of the opening width of stator semi‐closed slot and the dimension of the closed slot on the magnetic field distribution and temperature field of the permanent magnet synchronous motor

Tang

Zhang

Yu³

et al. 2020

IET Electric Power Applications

View full text Add to dashboard Cite

The structure of a permanent magnet synchronous motor (PMSM), more precisely, its shape and dimension of the stator slot can change the magnetic field distribution of the stator tooth and the yoke. In addition, it also affects the magnetic field distribution in the air‐gap and the electrical loss in the rotor. As a result, there is an effect on the motor's internal temperature distribution. This study aims at investigating the influence of stator slot dimension on the performance of the motor. To this extent, a field‐circuit coupled model combining the vector control strategy with motor finite element model is proposed. Based on this model, the impact of using various opening widths of semi‐closed slot and the dimension of the closed slot on both magnetic field distribution and loss in the PMSM is studied in detail. Furthermore, by considering the calculated loss as a heat source, the temperature variation of the stator core, winding, magnetic bridge and permanent magnet of the motor for different scenarios of slot dimensions can be obtained by using a three‐dimensional temperature field model at steady‐state. An experimental platform is established to validate the model this provides a theoretical support for the analysis of the results.

show abstract

Study of Efficiency Characteristics of Interior Permanent Magnet Synchronous Motors

Cited by 29 publications

References 8 publications

Analytical modelling of air‐gap magnetic field of interior permanent magnet synchronous motors

Analytical modelling of air‐gap magnetic field of interior permanent magnet synchronous motors

Operation Efficiency Optimization for Permanent Magnet Synchronous Motor Based on Improved Particle Swarm Optimization

Influence of the opening width of stator semi‐closed slot and the dimension of the closed slot on the magnetic field distribution and temperature field of the permanent magnet synchronous motor

Contact Info

Product

Resources

About