Fault Diagnosis Techniques for Permanent Magnet AC Machine and Drives—A Review of Current State of the Art

Choi, Seungdeog; Haque, Moinul Shahidul; Tarek, Tawhid Bin; Mulpuri, Vamsi; Duan, Yao; Das, Sanjoy; Garg, V. K.; Ionel, Dan M.; Masrur, M. Abul; Mirafzal, Behrooz; Toliyat, H.A.

doi:10.1109/tte.2018.2819627

Cited by 118 publications

(59 citation statements)

References 183 publications

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“…It can be seen from (4), (5), and (6) that the UMP may be reduced by reducing the radial component σ of the electromagnetic force density.…”

Section: A Calculation Of Umpmentioning

confidence: 99%

“…Additionally in fractional slot motors, the number of slots per pole per phase is a fraction, which makes the magnetic field distribution produced by each phase under different poles uneven, and then the unbalanced magnetic pull (UMP) is produced [4]. The UMP may cause noise and vibration, aggravate bearing aging, and even lead to stator rotor contact, which has an important impact on the service life and performance of the motor [5], [6]. Therefore,…”

Section: Introductionmentioning

confidence: 99%

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Optimal Design of Permanent Magnet Structure to Reduce Unbalanced Magnetic Pull in Surface-Mounted Permanent-Magnet Motors

Wang

Liu

et al. 2020

IEEE Access

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For the surface-mount permanent magnet synchronous motors (SPMSM) with fractional slot concentrated windings, the winding distribution of per phase under different poles is uneven, which results in unbalanced magnetic pull (UMP) between the stator and rotor. UMP has an important impact on the performance and service life of the motor. In this paper, a new permanent magnet (PM) structure is proposed to reduce UMP and torque fluctuation of the fractional slot SPMSM. Furthermore, a 48p/54s SPMSM is taken as an example, the proposed PM structure is optimized by the Taguchi method which can comprehensively consider the control factors and noise factors. The effects of various variables and process error on UMP, torque fluctuation and robustness of results are analyzed respectively. Finally, the optimized PM structure is obtained, which improves the operation stationarity. INDEX TERMS Fractional slot SPMSM, unbalanced magnetic pull(UMP), torque fluctuation, Taguchi method.

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“…It can be seen from (4), (5), and (6) that the UMP may be reduced by reducing the radial component σ of the electromagnetic force density.…”

Section: A Calculation Of Umpmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Optimal Design of Permanent Magnet Structure to Reduce Unbalanced Magnetic Pull in Surface-Mounted Permanent-Magnet Motors

Wang

Liu

et al. 2020

IEEE Access

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“…These harmonic frequency models are available only for bearing defects, and models for impeller faults and pipe blockages do not exist. Thus, the MCSA technique cannot diagnose such faults [19][20][21]. The instant power technique has been suggested as an alternative non-invasive approach to MCSA for diagnosing bearing faults in an induction motor [22].…”

Section: Appl Sci 2019 9 X For Peer Review 2 Of 15mentioning

confidence: 99%

Design of a Novel Electric Diagnostic Technique for Fault Analysis of Centrifugal Pumps

2019

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Centrifugal pumps are the fundamental components of most industries. They are used in almost every industry to transfer liquid through pipes. The breakdown of a pump causes heavy production losses, and hence, the development of an economical and user-friendly condition monitoring system is vital in order to estimate the health of a pump in a timely manner, and to avoid an unscheduled breakdown. The intrusive condition monitoring techniques (such as vibration analysis and acoustic emission) developed for the fault diagnosis of pumps utilize expensive vibration sensors, and these sensors need to be installed on the pump body for data collection. Non-intrusive techniques (such as motor current analysis) have been proven to be economical, but have limited capabilities for diagnosing the incipient faults in pumps operating in a noisy industrial environment. The electric diagnostic technique (EDT) proposed in this paper does not require the purchase of extra sensors, and instead utilizes the existing sensors, which are usually installed on the machines, to measure and display the motor line current and voltage. The EDT has been developed in the Laboratory Virtual Instrument Engineering Workbench (LabVIEW) so as to measure the three-phase line current, and then transform it into two-phase d–q currents. These d–q currents are plotted as patterns, and the statistical features of these patterns are used to segregate the centrifugal pump fault types. Detailed experiments and evaluations have been performed in order to check the viability of the developed EDT technique.

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“…There are several proposals to detect faults in PMSMs. A recent review of the current state of the art of condition monitoring and fault diagnosis techniques for PMSM is presented in [15]. In [16] a strategy for the detection and separation of rotor problems in PMSMs such as eccentricity and oscillation in the load torque is proposed.…”

Section: Introductionmentioning

confidence: 99%

Rotor fault diagnosis in permanent magnet synchronous machine using the midpoint voltage of windings

Bossio

Ruschetti

Bossio

et al. 2020

IET Electric Power Applications

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A new strategy is proposed here for the diagnosis of asymmetric demagnetisation in permanent magnet synchronous machines. The strategy is based on the measuring of the voltage at the midpoint of the windings within a phase. Unlike the phase voltage, for a fault situation, the midpoint voltage shows sidebands around the fundamental component, which allows detecting and quantifying the demagnetisation phenomenon. A low‐cost implementation for the automatic detection of faults is also proposed in the present study and experimental results are presented to validate the strategy.

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Fault Diagnosis Techniques for Permanent Magnet AC Machine and Drives—A Review of Current State of the Art

Cited by 118 publications

References 183 publications

Optimal Design of Permanent Magnet Structure to Reduce Unbalanced Magnetic Pull in Surface-Mounted Permanent-Magnet Motors

Optimal Design of Permanent Magnet Structure to Reduce Unbalanced Magnetic Pull in Surface-Mounted Permanent-Magnet Motors

Design of a Novel Electric Diagnostic Technique for Fault Analysis of Centrifugal Pumps

Rotor fault diagnosis in permanent magnet synchronous machine using the midpoint voltage of windings

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