Modelling and Analysis of Five-Phase Permanent Magnet Synchronous Motor in Machine Variables

Umoh, Gideon

doi:10.15199/48.2020.01.21

Cited by 4 publications

(5 citation statements)

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“…An experimental-based performance comparison of the dual winding SynRM was presented in [11]. A five-phase SynRM and Permanent Magnet SynRM was modelled and simulated in phase variables [12][13] and the results in phase variables tend to agree with that of the Finite Element Analysis.…”

Section: Introductionmentioning

confidence: 89%

Performance Analysis of Line-Start Concentrated Dual-winding Synchronous Reluctance Machine with Capacitive Assistance

A.M.

Onyishi

Obe

2022

Gazi University Journal of Science

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The transient and dynamic performance analysis of a proposed line-start, three-phase concentrated dual-winding synchronous reluctance motor (cDWSynRM) in comparison with the conventional concentrated winding synchronous reluctance motor (cSynRM) was presented. Both windings are overlapping windings. The cDWSynRM consist of main and auxiliary windings with capacitive assistance for power factor improvement. The modelling of the synchronous reluctance motors (SynRM) was done in direct-phase variables considering only the fundamental magneto-motive force (MMF). The machine inductances of both machine models were determined using winding function theory (WFT). These derived inductances were used to determine machine performance characteristics such as Torque, Speed, Phase currents etc. The performance characteristics of both motors were monitored using MATLAB/Simulink, and the proposed line-start cDWSynRM with capacitive assistance was observed to have improved performance characteristics when compared to the cSynRM.

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Section: Introductionmentioning

confidence: 89%

Performance Analysis of Line-Start Concentrated Dual-winding Synchronous Reluctance Machine with Capacitive Assistance

A.M.

Onyishi

Obe

2022

Gazi University Journal of Science

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“…The electrical equations (a, b, c, d, and e) that regulate a five-phase permanent magnet synchronous machine's operation assume the following form in a fixed reference connected to the stator. [1]     …”

Section: Modelling Of Five Pmsm A) Electrical Equations In the Refere...mentioning

confidence: 99%

“…The references associated to the stator are written using the totalized fluxes   s  of the phases as the following matrix: The nonlinearity of the synchronous motor with magnets model, which results from the connection between the stator and rotor: [1]. is discernible from the flow equations.In order to resolve this issue, we will make use of mathematical transformations (Park and Clark), which allow us to model the system and employ differential equations with constant coefficients to explain the behaviour of the motor.…”

Section: Modelling Of Five Pmsm A) Electrical Equations In the Refere...mentioning

confidence: 99%

Etude comparative between twosliding mode controllerstructure of five phase permanent magnet synchronous motor

2023

IJANSER

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Five phase permanent magnet synchronous machines' sliding mode controller is presented in this paper. This control is a nonlinear control technique that modifies a nonlinear system's dynamics by delivering a discontinuous control signal that compels the system to "slide" through a cross-section of the system's typical behavior along the surface S(x). Sliding mode controller (SMC) stability employing Lyapunov stability criteria and the selection of sliding surface S (x). Using (SMC) for simple surface S(x) and surface contain integral error, that is the paper's major goal. The simulation findings show that the sliding mode controller of five PMSMs works best for surfaces that contain integrals because they have a faster dynamic response and better perturbation rejection than surfaces without integrals.

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“…To minimize the harmonics, the winding configuration is modelled to suit the supply voltage, as these are very essential for the multi-phase machine. The utilization of the multi-phase machines helps in the reduction of torque pulsation as compared to the three-phase machine [9][10][11][12][13]. The recognition of the direct phase variable (DPV) model when considering analysis of machine performance during faults and unbalanced conditions cannot be ignored [4,14].…”

Section: Introductionmentioning

confidence: 99%

“…The five-phase machine has the ability to utilize the fundamental and third-harmonics of the air-gap MMF for torque, and is more capable of loss of phase (fault) tolerance when compared to a three-phase machine. Even though higher phase machine, other than the five-phase machine may look attractive, so also a recorded increase in the number of switching devices as well as the cost [10,12,13]. With consideration to the suppression of certain harmonics in the phase EMF and MMF, chording in both integral and fractional windings are encouraged [24][25][26].…”

Section: Introductionmentioning

confidence: 99%

Effect of stator winding chording on the performance of five phase synchronous reluctance motor

Umoh,

Obe,

Mama

et al. 2024

Journal of Energy Systems

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The effect of winding chording on five-phase synchronous reluctance motor (SRM) modelled in phase variables is presented. The stator winding configuration is shifted a pole pitch from a full-pitch configuration to a 54 degrees over-full-pitched configuration incorporating the effect of 3rd harmonic of the air-gap magneto-motive force in the inductance equations. The models are monitored on starting, synchronism, loading, faults and loss of synchronism. These are considered simultaneously with vector potential, rotor speed, air-gap flux linkage and winding current. The phase variable (analytical) models have been simulated by using MATLAB/Simulink software while ANSYS Maxwell software has been used to simulate the finite element model (FEM) of the motor for corresponding chording ranges for comparison on direct online starting (DOL). Under all conditions considered in the work, the detailed results are presented and very close similarity is observed between the analytical and the nearly ideal FEM model for all chording ranges and the similarity is enhanced with increase in chording angle.

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Modelling and Analysis of Five-Phase Permanent Magnet Synchronous Motor in Machine Variables

Cited by 4 publications

References 0 publications

Performance Analysis of Line-Start Concentrated Dual-winding Synchronous Reluctance Machine with Capacitive Assistance

Performance Analysis of Line-Start Concentrated Dual-winding Synchronous Reluctance Machine with Capacitive Assistance

Etude comparative between twosliding mode controllerstructure of five phase permanent magnet synchronous motor

Effect of stator winding chording on the performance of five phase synchronous reluctance motor

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