Design of a Large Capacity Line-Start Permanent Magnet Synchronous Motor Equipped With Hybrid Salient Rotor

Yan, Bingji; Yang, Yubo; Wang, Xiuhe

doi:10.1109/tie.2020.3008360

Cited by 35 publications

(22 citation statements)

References 9 publications

Supporting

Mentioning

Contrasting

Order By: Relevance

“…According to the voltage Equations ( 1) and ( 9), the flux linkages ψ* sq , ψ* sd , ψ sq and ψ sd can be obtained with the known quantities of u sq , u sd , R s , i sq , i sd , i* sq , i* sd , s and ω 1 . The following equations are satisfied with Equation (14).…”

Section: Principle Of Parameter Simplificationmentioning

confidence: 99%

See 1 more Smart Citation

Quantitative assessment on synchronisation capability of a line‐start permanent magnet synchronous motor with hybrid rotor

Yang,

Yan,

Wang

2023

IET Electric Power Appl

Self Cite

View full text Add to dashboard Cite

The authors devote a quantitative assessment on the synchronisation capability of a line‐start permanent magnet synchronous motor (LSPMSM) equipped with a hybrid rotor. The quantitative assessment is realised by determining a load criterion consisting of load torques and inertias under which the motor will just synchronise. During the process of load‐criterion determination, close attention is paid to parameters governing the motor synchronisation behaviour. Following the principle of stator‐current error minimisation, the time‐variant magnetising inductances and permanent magnet (PM) flux linkages of the analysed LSPMSM are simplified into slip‐dependent constants via the simple and robust genetic algorithm (GA). The load criterion is then obtained after the establishment of a dynamic motor model involving the simplified parameters. Prototyping tests focused on motor speed‐time responses under different mechanical loads are carried out to validate the obtained load criterion and the paper analyses.

show abstract

Section: Principle Of Parameter Simplificationmentioning

confidence: 99%

“…An LSPMSM is presented by the authors in refs. [13][14][15][16] to promote the motor start and synchronisation capabilities without facing the above-mentioned conflicts. This LSPMSM has an ordinary stator configuration but involves a hybrid rotor rather than the conventional cage rotor.…”

Section: Introductionmentioning

confidence: 99%

Quantitative assessment on synchronisation capability of a line‐start permanent magnet synchronous motor with hybrid rotor

Yang,

Yan,

Wang

2023

IET Electric Power Appl

Self Cite

View full text Add to dashboard Cite

show abstract

“…Many researchers are also interested in the design of novel rotor structure to improve the performance of LSPMSM. A hybrid salient rotor structure which contains slotted solid steels and cage bars [21], a methodology for shape optimisation of the starting cage [22], steel‐bar starting cage with spoke‐type insulation layers [23], a special consequent pole rotor which contains circumferentially magnetised spoke shape and radially magnetised arc shape magnets [24], optimisation of the number of rotor flux barriers and the flux barriers ratio on the dq ‐axis inductances [25], and so on, have been studied. However, as the same of pole numbers between stator winding and rotor PMs, the generating effect (the existence of EMF) is inevitable during starting process, the braking torque is still present, and so the starting capability cannot be fundamentally enhanced.…”

Section: Introductionmentioning

confidence: 99%

Calculation of no‐load induced electromotive force of pole changing line‐start permanent magnet synchronous motor

Tian

Karimi

et al. 2023

IET Electric Power Appl

Self Cite

View full text Add to dashboard Cite

Pole changing line‐start permanent magnet synchronous motor (LSPMSM) can significantly improve the starting capability of LSPMSM by decreasing the braking torque and pulsating torque during starting process. The fundamental reason for the elimination of braking torque is that there is no generating effect during minor‐pole starting process. That is to say, induced electromotive force (EMF) does not exist when the magnetic field generated by multi‐pole rotor PMs cut the minor‐pole stator winding. Therefore, the induced EMF of pole changing LSPMSM is analysed theoretically and calculated analytically. Considering that the magnetic flux per pole of the coils under the adjacent pole are different, the induced EMFs of a conductor, a full‐pitch coil, a coil group in minor‐pole stator winding are, respectively, calculated, and then the general analytical expression of the induced EMF of a phase winding with different rotor/stator pole ratio is derived. Then, the motors with different rotor/stator pole ratios are simulated based on finite element method to obtain the corresponding EMFs. Meanwhile, a 6/8 pole changing LSPMSM is taken as prototype. The consistency of the simulation, experiment, and the analytical calculation results effectively verify the validity of the derived general analytical expression and theoretical analysis.

show abstract

“…Optimizing performance for high-power LSPMSM up to 22kW at a high speed of 3000rpm was a significant challenge in the design process. In the study [10], a hybrid rotor structure is proposed in motor design to enhance starting and motor synchronization for high-power LSPMSM to reduce harmonic amplitude, reduce torque ripple, and reduce losses to improve motor efficiency further. Research work [11] studies the influence of the stator winding type of the LSPMSM 6/8 on the synchronization process during starting, thereby improving the operating efficiency of the LSPMSM.…”

mentioning

confidence: 99%

“…This model is built based on Maxwell-Ampere law. According to the Maxwell -Faraday equation written for the case of an electric motor at a steady state as follows [5,10]:…”

mentioning

confidence: 99%

Effect of Permanent Magnet Structure on The Performance of LSPMSM with a Power of 22 kW and 3000 rpm

Anh

Ngo

2022

IOP Conf. Ser.: Earth Environ. Sci.

View full text Add to dashboard Cite

Energy efficiency and sustainability are important goals for countries all over the world. With the advancement of material technology, many new generations of high-efficiency motors are being researched and developed to replace induction motors (IM) to save energy. Line-start permanent-magnet synchronous motors (LSPMSM) are high-performance and ultra-high-performance motors that are emerging as an alternative to squirrel-rotor induction motors. Constructing the permanent magnets in the rotor is critically important in ensuring LSPMSM performance. The study uses the finite element method to analyze the characteristics of the motor. The study presented the influence of the permanent magnet structure in the rotor of the LSPMSM with a power of 22 kW and a speed of 3000 rpm on the electromagnetic field distribution in the motor, as well as the motor’s working characteristics to optimize the permanent magnet structure to optimize the performance of the LSPMSM. The analysis results show that the proposed LSPMSM has a 92.6% higher efficiency than the same-type induction motor. This is a suitable replacement for high-power and high-speed IM, which contributes to energy efficiency, so using fewer fossil fuels to reduce environmental impact is a sustainable development solution.

show abstract

Design of a Large Capacity Line-Start Permanent Magnet Synchronous Motor Equipped With Hybrid Salient Rotor

Cited by 35 publications

References 9 publications

Quantitative assessment on synchronisation capability of a line‐start permanent magnet synchronous motor with hybrid rotor

Quantitative assessment on synchronisation capability of a line‐start permanent magnet synchronous motor with hybrid rotor

Calculation of no‐load induced electromotive force of pole changing line‐start permanent magnet synchronous motor

Effect of Permanent Magnet Structure on The Performance of LSPMSM with a Power of 22 kW and 3000 rpm

Contact Info

Product

Resources

About