Optimal design of BLDC multi-phase reluctance machines (MRM) for variable speed drives

Dragos Ursu; Lucian Nicolae Tutelea; Dan Ionel; Ion Boldea

doi:10.1109/OPTIM.2017.7975015

Optimal design of BLDC multi-phase reluctance machines (MRM) for variable speed drives

Dragos Ursu, Lucian Nicolae Tutelea, Dan Ionel, Ion Boldea

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution › peer-review

Abstract

BLDC-MRM is a brushless salient rotor multiple phase (m) stator reluctance machine fed with bipolar two-levelflat-Top electronic controlled phase currents where mF phases play as "field" phases and mT=m-mF phases play as "torque" phases, like in a dc brush machine with brushes off the neutral axis and without dc excitation. With all phases active at all times, an inherent around 900 power angle, moderate air-gap (in axis d) and high magnetic reluctance in axis q, BLDC-MRM is expected to produce competitive performance over a wide constant power speed range (CPSR) at lower overall machine + converter costs, due to inherent flux-weakening and better inverter input dc voltage utilization. This paper introduces a magnetic circuit model (MEC) based optimal design methodology, with embedded FEM validation, illustrated for a 160Nm, 3000rpm application with promising results (94.1% efficiency for 31.5kg of active materials and no PMs).

Original language	English
Title of host publication	Proceedings - 2017 International Conference on Optimization of Electrical and Electronic Equipment, OPTIM 2017 and 2017 Intl Aegean Conference on Electrical Machines and Power Electronics, ACEMP 2017
Pages	483-488
Number of pages	6
ISBN (Electronic)	9781509044894
DOIs	https://doi.org/10.1109/OPTIM.2017.7975015
State	Published - Jul 11 2017
Event	2nd International Conference on Optimization of Electrical and Electronic Equipment, OPTIM 2017 and Intl Aegean Conference on Electrical Machines and Power Electronics, ACEMP 2017 - Brasov, Romania Duration: May 25 2017 → May 27 2017

Publication series

Name	Proceedings - 2017 International Conference on Optimization of Electrical and Electronic Equipment, OPTIM 2017 and 2017 Intl Aegean Conference on Electrical Machines and Power Electronics, ACEMP 2017

Conference

Conference	2nd International Conference on Optimization of Electrical and Electronic Equipment, OPTIM 2017 and Intl Aegean Conference on Electrical Machines and Power Electronics, ACEMP 2017
Country/Territory	Romania
City	Brasov
Period	5/25/17 → 5/27/17

Bibliographical note

Publisher Copyright:
© 2017 IEEE.

ASJC Scopus subject areas

Energy Engineering and Power Technology
Electrical and Electronic Engineering
Mechanical Engineering
Control and Optimization

Access to Document

10.1109/OPTIM.2017.7975015

Cite this

Ursu, D., Tutelea, L. N., Ionel, D., & Boldea, I. (2017). Optimal design of BLDC multi-phase reluctance machines (MRM) for variable speed drives. In Proceedings - 2017 International Conference on Optimization of Electrical and Electronic Equipment, OPTIM 2017 and 2017 Intl Aegean Conference on Electrical Machines and Power Electronics, ACEMP 2017 (pp. 483-488). Article 7975015 (Proceedings - 2017 International Conference on Optimization of Electrical and Electronic Equipment, OPTIM 2017 and 2017 Intl Aegean Conference on Electrical Machines and Power Electronics, ACEMP 2017). https://doi.org/10.1109/OPTIM.2017.7975015

Ursu, Dragos ; Tutelea, Lucian Nicolae ; Ionel, Dan et al. / Optimal design of BLDC multi-phase reluctance machines (MRM) for variable speed drives. Proceedings - 2017 International Conference on Optimization of Electrical and Electronic Equipment, OPTIM 2017 and 2017 Intl Aegean Conference on Electrical Machines and Power Electronics, ACEMP 2017. 2017. pp. 483-488 (Proceedings - 2017 International Conference on Optimization of Electrical and Electronic Equipment, OPTIM 2017 and 2017 Intl Aegean Conference on Electrical Machines and Power Electronics, ACEMP 2017).

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abstract = "BLDC-MRM is a brushless salient rotor multiple phase (m) stator reluctance machine fed with bipolar two-levelflat-Top electronic controlled phase currents where mF phases play as {"}field{"} phases and mT=m-mF phases play as {"}torque{"} phases, like in a dc brush machine with brushes off the neutral axis and without dc excitation. With all phases active at all times, an inherent around 900 power angle, moderate air-gap (in axis d) and high magnetic reluctance in axis q, BLDC-MRM is expected to produce competitive performance over a wide constant power speed range (CPSR) at lower overall machine + converter costs, due to inherent flux-weakening and better inverter input dc voltage utilization. This paper introduces a magnetic circuit model (MEC) based optimal design methodology, with embedded FEM validation, illustrated for a 160Nm, 3000rpm application with promising results (94.1% efficiency for 31.5kg of active materials and no PMs).",

author = "Dragos Ursu and Tutelea, {Lucian Nicolae} and Dan Ionel and Ion Boldea",

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Ursu, D, Tutelea, LN, Ionel, D & Boldea, I 2017, Optimal design of BLDC multi-phase reluctance machines (MRM) for variable speed drives. in Proceedings - 2017 International Conference on Optimization of Electrical and Electronic Equipment, OPTIM 2017 and 2017 Intl Aegean Conference on Electrical Machines and Power Electronics, ACEMP 2017., 7975015, Proceedings - 2017 International Conference on Optimization of Electrical and Electronic Equipment, OPTIM 2017 and 2017 Intl Aegean Conference on Electrical Machines and Power Electronics, ACEMP 2017, pp. 483-488, 2nd International Conference on Optimization of Electrical and Electronic Equipment, OPTIM 2017 and Intl Aegean Conference on Electrical Machines and Power Electronics, ACEMP 2017, Brasov, Romania, 5/25/17. https://doi.org/10.1109/OPTIM.2017.7975015

Optimal design of BLDC multi-phase reluctance machines (MRM) for variable speed drives. / Ursu, Dragos; Tutelea, Lucian Nicolae; Ionel, Dan et al.
Proceedings - 2017 International Conference on Optimization of Electrical and Electronic Equipment, OPTIM 2017 and 2017 Intl Aegean Conference on Electrical Machines and Power Electronics, ACEMP 2017. 2017. p. 483-488 7975015 (Proceedings - 2017 International Conference on Optimization of Electrical and Electronic Equipment, OPTIM 2017 and 2017 Intl Aegean Conference on Electrical Machines and Power Electronics, ACEMP 2017).

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution › peer-review

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AU - Tutelea, Lucian Nicolae

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PY - 2017/7/11

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N2 - BLDC-MRM is a brushless salient rotor multiple phase (m) stator reluctance machine fed with bipolar two-levelflat-Top electronic controlled phase currents where mF phases play as "field" phases and mT=m-mF phases play as "torque" phases, like in a dc brush machine with brushes off the neutral axis and without dc excitation. With all phases active at all times, an inherent around 900 power angle, moderate air-gap (in axis d) and high magnetic reluctance in axis q, BLDC-MRM is expected to produce competitive performance over a wide constant power speed range (CPSR) at lower overall machine + converter costs, due to inherent flux-weakening and better inverter input dc voltage utilization. This paper introduces a magnetic circuit model (MEC) based optimal design methodology, with embedded FEM validation, illustrated for a 160Nm, 3000rpm application with promising results (94.1% efficiency for 31.5kg of active materials and no PMs).

AB - BLDC-MRM is a brushless salient rotor multiple phase (m) stator reluctance machine fed with bipolar two-levelflat-Top electronic controlled phase currents where mF phases play as "field" phases and mT=m-mF phases play as "torque" phases, like in a dc brush machine with brushes off the neutral axis and without dc excitation. With all phases active at all times, an inherent around 900 power angle, moderate air-gap (in axis d) and high magnetic reluctance in axis q, BLDC-MRM is expected to produce competitive performance over a wide constant power speed range (CPSR) at lower overall machine + converter costs, due to inherent flux-weakening and better inverter input dc voltage utilization. This paper introduces a magnetic circuit model (MEC) based optimal design methodology, with embedded FEM validation, illustrated for a 160Nm, 3000rpm application with promising results (94.1% efficiency for 31.5kg of active materials and no PMs).

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Ursu D, Tutelea LN, Ionel D, Boldea I. Optimal design of BLDC multi-phase reluctance machines (MRM) for variable speed drives. In Proceedings - 2017 International Conference on Optimization of Electrical and Electronic Equipment, OPTIM 2017 and 2017 Intl Aegean Conference on Electrical Machines and Power Electronics, ACEMP 2017. 2017. p. 483-488. 7975015. (Proceedings - 2017 International Conference on Optimization of Electrical and Electronic Equipment, OPTIM 2017 and 2017 Intl Aegean Conference on Electrical Machines and Power Electronics, ACEMP 2017). doi: 10.1109/OPTIM.2017.7975015

Optimal design of BLDC multi-phase reluctance machines (MRM) for variable speed drives

Abstract

Publication series

Conference

Bibliographical note

ASJC Scopus subject areas

Access to Document

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