Loss Minimization and Maximum Torque-Per-Ampere Operation for Variable-Pole Induction Machines

Libbos, Elie; Ku, Bonhyun; Agrawal, Shivang; Tungare, Samira; Banerjee, Arijit; Krein, P.T.

doi:10.1109/tte.2020.2997692

Cited by 39 publications

(56 citation statements)

References 32 publications

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“…The main application area for the HPD is expected to be variable phase-pole machines, e.g. the ISCAD [5], WICSC machine [4], [6]. With the unified framework of all phase-pole configurations achieved by the HPD, we prepare a seamless control of the transition between two phase-pole configurations.…”

Section: Discussionmentioning

confidence: 99%

“…For each harmonic plane, an inverse-Γ model is used. VSD parameters are derived from the HPD ones as described by (6), which follows from conservation of energy. The magnetizing inductances of the inverse-Γ model, L VSD M,ν h , in the standard VSD framework are used as an example.…”

Section: B Dynamic Comparison Between Harmonic Plane and Vector-space Decompositionmentioning

confidence: 99%

“…If not, such as in [4]- [6], the VSD does not offer the possibility to actively control the currents in adjacent slots belonging to the same phase belt.…”

Section: Introductionmentioning

confidence: 99%

“…The method was exemplified for a machine with Q s = 36 configured as either an m = 3 or m = 6 phase and p = 2 pole pair machine. The benefit of this approach is that statorcoil reconfigurable machines such as those in [4]- [6] can be represented in a uniform manner. In practice, it means that the amount of current controllers in a real setup remains the same, independently of the number of poles and phases, and that the entire machine can be correctly modeled using lumped parameters with a fixed number of equivalent circuits.…”

Section: Introductionmentioning

confidence: 99%

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Harmonic Plane Decomposition: An Extension of the Vector-Space Decomposition - Part II

Olson

Peretti

Wallmark

2020

IECON 2020 the 46th Annual Conference of the IEEE Industrial Electronics Society

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In this paper the harmonic plane decomposition from part I is completed. Multiphase electrical machines with independently controlled stator coils benefit from a fixed amount of current controllers and unified models. In part I, the foundation for such models was laid. This paper shows that the choice of the base case has to fulfill certain criteria to properly represent vector-space quantities. More specifically, phase-pole configurations with an even number of pole pairs need adapted base cases with reduced rank as compared to the odd base case. Continuous modeling and control requires retention of the dimensionality of Clarke matrices. A different number of stator and rotor slots can lead to aliasing in the transformation, when keeping the dimension consistent. Therefore, a specific Clarke transformation for rotor quantities based on the developed theory is elaborated. Finally, it is demonstrated how the harmonic plane decomposition can be used to model each harmonic plane of an arbitrary phase-pole configuration with conventional machine equivalent circuits, e.g. the T-equivalent or inverse-Γ models.

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Section: Discussionmentioning

confidence: 99%

Section: B Dynamic Comparison Between Harmonic Plane and Vector-space Decompositionmentioning

confidence: 99%

“…If not, such as in [4]- [6], the VSD does not offer the possibility to actively control the currents in adjacent slots belonging to the same phase belt.…”

Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

See 2 more Smart Citations

Harmonic Plane Decomposition: An Extension of the Vector-Space Decomposition - Part II

Olson

Peretti

Wallmark

2020

IECON 2020 the 46th Annual Conference of the IEEE Industrial Electronics Society

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show abstract

“…In recent years, motor pole-changing technology were explored in [9][10][11][12][13][14][15][16][17][18][19]. Osama et al [9] research group designed six-phase machine model to realize the transformation of 2 poles and 4 poles mode.…”

Section: Introductionmentioning

confidence: 99%

Electronic Pole-Changing Strategy with Cosine-Response for Multiphase Induction Motor Based on PR Controller

Jia

Yang

2021

J. Electr. Eng. Technol.

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The multiphase induction motor (MIM) suffers the problems of unsmoothness and slow dynamic response during the process of electronic pole-changing. To solve this issue, a cosine-response strategy based on proportional resonance (PR) current controller is proposed. Firstly, a current switching strategy with cosine-response is designed, which makes the MIM work more smoothly while switching between two planes. Then, the PR controller based on static coordinate system is adopted to replace the traditional proportional integral current loop controller, which realizes the zero steady-state error tracking of the current and improves MIM's dynamic response. Experiments on a five-phase induction motor verify that the proposed strategy can reduce the fluctuations of the torque, speed, and total harmonic distortion of phase current. Besides, it can improve the dynamic response of the torque and speed when the pole-changing is switched.

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Electro-thermal co-design of a variable pole toroidal induction motor

Chettiar,

Lad,

Miller

et al. 2024

Applied Thermal Engineering

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Loss Minimization and Maximum Torque-Per-Ampere Operation for Variable-Pole Induction Machines

Cited by 39 publications

References 32 publications

Harmonic Plane Decomposition: An Extension of the Vector-Space Decomposition - Part II

Harmonic Plane Decomposition: An Extension of the Vector-Space Decomposition - Part II

Electronic Pole-Changing Strategy with Cosine-Response for Multiphase Induction Motor Based on PR Controller

Electro-thermal co-design of a variable pole toroidal induction motor

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