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Journal articles on the topic 'Copper rotor induction moters'

Author: Grafiati

Published: 6 September 2023

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1

Wu, Wei, Jikai Si, Haichao Feng, Zhiping Cheng, Yihua Hu, and Chun Gan. "Rotor Eddy Current Loss Calculation of a 2DoF Direct-Drive Induction Motor." Energies 12, no. 6 (2019): 1134. http://dx.doi.org/10.3390/en12061134.

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A two-degree-of-freedom direct-drive induction motor (2DoFDDIM), whose solid rotor is coated with a copper layer, is capable of linear, rotary, and helical motions and has widespread applications. For solid-rotor motors, the calculation and analysis of rotor total eddy current loss (TECL) are crucial in studying the factors causing such a loss and possible loss reduction methods. In this study, a new nonlinear analytical method considering the saturation of the rotor core is proposed to solve the fundamental magnetic field. The new method divides the time period into segments. The magnetic fie

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2

Wu, Yucai, Shuqiong Sun, Qingfei An, and Xu Lie. "Treatment Strategy Research on a Squirrel-Cage Induction Motor with Broken Rotor Bar Faults." Sensors 22, no. 12 (2022): 4345. http://dx.doi.org/10.3390/s22124345.

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Squirrel-cage induction motors are increasingly displaying a broken rotor bar fault, which represents both a technical problem and an economic problem. After confirming that the broken rotor bars do not affect the normal start-up and basic working performance of the squirrel-cage induction motor, this paper focuses on the loss and efficiency changes of the motor brought about by the broken rotor bar fault. Using finite element simulation and experimentation, various losses like stator copper loss, iron loss, rotor copper loss, mechanical loss and additional losses, total loss and efficiency ar

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3

Lee, Sang Yul, and Sang Yong Lee. "A Study on the Microstructural Defects in Slots of Thixoformed Copper Rotor." Solid State Phenomena 116-117 (October 2006): 300–303. http://dx.doi.org/10.4028/www.scientific.net/ssp.116-117.300.

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Cu-Ca alloys and the squirrel cage rotors for induction motors of small capacities were used for the development of thixoforming processes. Processing conditions, motor efficiency and forming defects in macro- and microscale for thixoforming of Cu-Ca rotors have been performed to investigate the microstructural features and the filling phenomena in slots of squirrel cage rotor. Inadequate filling due to the complexity of slot structure, separation of solidified metal from the slot, porosities and phase inhomogenitites were typical microstructural defects found in thixoformed Cu-Ca rotors. Exac

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4

Leicht, Aleksander, and Krzysztof Makowski. "Influence of shape and material of rotor bars on performance characteristics of single-phase self-excited induction generators." COMPEL - The international journal for computation and mathematics in electrical and electronic engineering 38, no. 4 (2019): 1235–44. http://dx.doi.org/10.1108/compel-10-2018-0430.

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Purpose The purpose of the paper is to present an analysis of an influence of shape and material of rotor bars on the process of self-excitation and performance characteristics of single-phase, self-excited induction generator (SP-SEIG). Design/methodology/approach The presented analysis is based on the results of transient simulations of SP-SEIG performed with the use of field-circuit model of the machine. Four various shapes of the rotor bars and two different conductor materials were investigated. The results for the base model with rounded trapezoidal rotor slots were validated by measurem

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5

Viego Felipe, Percy R., Vladimir Sousa Santos, Julio R. Gómez Sarduy, José P. Monteagudo Yanes, and Enrique Ciro Quispe. "Induction motors with copper rotor: a new opportunity for increasing motor efficiency." International Journal of Electrical and Computer Engineering (IJECE) 13, no. 3 (2023): 2409. http://dx.doi.org/10.11591/ijece.v13i3.pp2409-2418.

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<p>The copper rotor induction motor (CURIM) was recently introduced because it has lower rotor fusion losses than the aluminum rotor (ALRIM). Furthermore, with CURIM, it is easier to reach IE4 and IE5 efficiency levels. The CURIM is advantageous for compact motors, escalators, and electric vehicle applications. However, CURIMs present slip, power factor, temperature increase, and torque decrease problems that must be analyzed. This study compared the economic feasibility of using CURIM with ALRIM by applying discount techniques. A case study was carried out in a sugar company with a cycl

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6

Bernatt, Jakub, Stanisław Gawron, Tadeusz Glinka, and Artur Polak. "Traction induction motor." MATEC Web of Conferences 180 (2018): 04005. http://dx.doi.org/10.1051/matecconf/201818004005.

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The paper presents a traction induction motor with an innovative rotor winding design. The winding of the rotor is almost identical to the armature winding in the dc traction motors, with the exception of commutator. Winding is double layered. The bars are insulated. Along the iron core bars are secured with wedges and in the winding outhang with bandages. The bars of the bottom layer in the winding outhang part near the iron core are bent radially in the direction of the shaft axis. On the winding outhang of the bottom layer an inner bandage is applied. On the winding outhang of the top layer

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7

Lee, Sang Yul, and Sang Yong Lee. "Filling and Solidification Characteristics during Thixoforming of Copper Rotor for the Electrical Motors." Solid State Phenomena 116-117 (October 2006): 652–55. http://dx.doi.org/10.4028/www.scientific.net/ssp.116-117.652.

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Filling and solidification phenomena during thixoforming of copper rotor for small sized induction motors have been analyzed and characterized by experiment and computer simulation. Forming defects in slots of thixoformed rotor were examined by microstructural observation. Most filling and solidification failures were mainly related to complexity in slurry flows through slots in rotor core. Computer simulation with single slot model showed the effects of die temperature and ram speed on the filling characteristics clearly. Simulations with flow guide model showed that the control of filling ve

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8

DEKHANDJI, Fatma Zohra, and Hamid BENTARZI. "Theoretical and Experimental Investigation of the Supply Voltage Unbalance Effects on Squirrel Cage Induction Motors." Algerian Journal of Signals and Systems 4, no. 2 (2019): 51–60. http://dx.doi.org/10.51485/ajss.v4i2.82.

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Voltage unbalance is one of the power quality problems causing a lot of ill effects on induction motors. These are namely: Overheating, line-current unbalance, derating, torque pulsation, and inefficiency. The objective of the present work is to assess and quantify the effects of voltage unbalance on induction motors using both theory and experimentation. The analytical study is performed using the complex voltage unbalance factor model of this problem. The work deals specifically with the influence of the variations in the complex angle of the voltage unbalance factor on the stator and rotor

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9

Maestre-Cambronel, Daniel, Jhan Piero Rojas, and Jorge Duarte-Forero. "EVALUATION OF FAULTS IN THE SQUIRREL CAGE THREE-PHASE INDUCTION MOTORS." Revista Ingenierías Universidad de Medellín 21, no. 40 (2021): 126–42. http://dx.doi.org/10.22395/rium.v21n40a8.

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Induction motors have played a central role in the techno-economic development of modern industries and electric power generation. However, the presence of recurring failures hinders a cost-effective performance and leads to catastrophic damage. Therefore, the present study proposed an assessment to investigate the influence of two types of failures in induction motors, namely failure due to broken bars in the rotor and defects in the connection between the rotor bars and the end ring. Accordingly, a three-phase induction motor was evaluated under different failure conditions that modified the

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10

Ocak, Cemil. "A FEM-Based Comparative Study of the Effect of Rotor Bar Designs on the Performance of Squirrel Cage Induction Motors." Energies 16, no. 16 (2023): 6047. http://dx.doi.org/10.3390/en16166047.

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Induction motors (IM) are the most frequently used type of motor in the industry. The number of rotor slots, bar geometry, and conductivity of bar material have a strong impact on the torque profile and efficiency characteristics of induction motors. This study focused on investigating the effect of different rotor bar designs on motor performance by the finite element method (FEM). The IMs have been designed using the same stator core, winding, and core lengths. The total rotor bar cross-section areas are also fixed throughout all designs. In addition to the change in the number of rotor bars

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11

Tikana, L., F. Nuno, T. Jezdinsky, and M. Gonzalez. "Design and material based Sustainable Mobility – Copper vs. REE." E3S Web of Conferences 349 (2022): 02001. http://dx.doi.org/10.1051/e3sconf/202234902001.

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Carbon neutrality by 2050 is one of the greatest challenges of our society. Hence, the electrification of the mobility sector belongs to those to focus on, due to their high carbon intensity, when based on combustion engines. Therefore, electrification of power train is seen as a solution. Different alternative concepts with different materials exist to achieve the above-mentioned goal of decarbonisation of mobility. To provide a good basis for decision making in the automotive industry to support their sustainability goals for electric vehicles, the environmental impacts related to the manufa

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12

Torrent, Marcel. "Recycling Potential in the European Union (EU) of Low Voltage Three-Phase Induction Motors Up to 75 kW of Power: Quantitative Analysis." Advances in Environmental and Engineering Research 04, no. 02 (2023): 1–14. http://dx.doi.org/10.21926/aeer.2302032.

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This article quantifies the recycling potential of the metallic materials that make up three-phase induction motors. The data on the use of electric motors by type and power determines that the most significant recycling potential lies in this low-voltage motor which powers up to 75 kW. The work aims to show the possibility of such recycling in the European Union (EU). The metals used to make the various parts of the induction motor and the main recycling methods that allow their reuse are listed. It evaluates which part of the motor can apply these recycling methods relatively easily (stator)

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13

Dalcali, Adem, and Mehmet Akbaba. "Performance Optimisation of Single-Phase Variable Reluctance Shaded-Pole Motor." Tehnički glasnik 16, no. 4 (2022): 491–96. http://dx.doi.org/10.31803/tg-20220329131808.

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Shaded pole induction motors’ theoretical analysis is quite difficult because of the presence of strong harmonic components and the elliptical rotating field. The change of air gap reluctance is affecting the air gap flux distribution and thus the performance of the motor. In the study, the effect of the change in the SPIM’s stator, rotor and squirrel cage on the performance of the motor is analysed by the Finite Element Method. The flux distributions and torque values of the closed-interpoles type and the stator with different interpoles clearances are obtained. The effects of single and doub

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14

Le, Phuong Minh, Dung Duc Le, Thuyen Viet Nguyen, and Phong Hoai Nguyen. "Real-time loss minimization control in induction machines based on DSP TMS320LF2812." Science and Technology Development Journal 16, no. 4 (2013): 5–18. http://dx.doi.org/10.32508/stdj.v16i4.1580.

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This paper presents a DSP based implementation of simple and very useful control algorithm for the real-time efficiency optimization of the indirect vectorcontrolled induction motor drives. Conventional field-oriented induction motor drives operate at rated flux even at low load. To improve the efficiency of the existing induction motors, it is important to regulate the magnetization flux of the motor in the desired operating range. This paper presents techniques for minimizing power loss (the copper and core losses) of induction motor based on determination of an optimum flux level for the ef

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15

Xu, Yixiang, Xiaohua Bao, Wei Xu, Jinlong Fang, and Tao Hong. "A Method for Improving Power Factor in Inverter-Fed Induction Motors by the Use of Rotor Convex Copper Bars." IEEE Transactions on Industry Applications 56, no. 4 (2020): 3636–43. http://dx.doi.org/10.1109/tia.2020.2988843.

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16

Ai, Chengliu, Christopher H. T. Lee, James L. Kirtley, Yuanfeng Huang, Haifeng Wang, and Zhiwei Zhang. "A Hybrid Methodology for Analyzing the Performance of Induction Motors with Efficiency Improvement by Specific Commercial Measures." Energies 12, no. 23 (2019): 4497. http://dx.doi.org/10.3390/en12234497.

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This paper presents a hybrid methodology to analyze the commercial measures of changing stator windings and adjusting air gap length to upgrade efficiency of typical three-phase direct-on-line induction motors with die-cast copper rotor (DCR). The calculation is carried out through combining the time-stepping and time-harmonic finite element analysis (FEA) and the circuit equivalent circuit model. Typical full-load performance of stator windings with different air gap lengths are computed by MATLAB invoking the 2D transient and eddy current field analysis in ANSYS/MAXWELL. Then, MATLAB scripts

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17

Finley, W. R., and M. M. Hodowanec. "Selection of copper versus aluminum rotors for induction motors." IEEE Transactions on Industry Applications 37, no. 6 (2001): 1563–73. http://dx.doi.org/10.1109/28.968162.

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18

Rathod, Pavan, and K. B. Ramesh. "Induction Motor Parameter Estimation Using Harmony Search Algorithm." Journal of Communication Engineering and its Innovations 8, no. 2 (2022): 13–20. http://dx.doi.org/10.46610/jocei.2022.v08i02.003.

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This study uses the Harmony Search Algorithm to carry out induction motor parameter estimation (HSA). In order to maximize the starting torque and minimize copper losses in the stator and rotor, the parameters rotor resistance R2 and rotor reactance X2 are determined. For parameter estimation of an induction motor, both conventional and intelligent methods are being examined. It is then subjected to the harmony search algorithm to obtain maximum beginning torque and efficiency, respectively.

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19

Stephen Ejiofor, Oti, Ugwu Justin, Nnadi Damian Benneth, and Ogbuefi Uche. "Development and thermal modeling of an induction machine." International Journal of Engineering & Technology 8, no. 4 (2019): 500. http://dx.doi.org/10.14419/ijet.v8i4.29727.

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In induction machines, the major concern is the temperature rise since it determines the maximum loading, in an attempt to avoid insula-tion deterioration and eventual loss of motor life. The effect of excessive heat in the motor stator and rotor windings and the stator mag-netic circuit can degrade the developed performance of the machine and also affect the motor loading and life span if not dispensed properly. This research work examines the thermal model for estimating the stator and rotor temperatures in cage induction motor. A state-variable model of the induction is used. The twin-axis

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20

Yahya, Yanawati, and Mohd Khairil Rahmat. "Induction motor rotor bars type effects towards energy efficiency, economic and environment." International Journal of Power Electronics and Drive Systems (IJPEDS) 11, no. 3 (2020): 1188. http://dx.doi.org/10.11591/ijpeds.v11.i3.pp1188-1196.

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<span lang="EN-MY">Nowadays, the rotating motor is the most demoralized machine for the global Motor industry. Comfort of practice, start-up, small, weightiness, Increased efficiency, low maintenance and inexpensive for each power rating that generally meets the necessary features for industries. Efficient improvements are inspected with copper for the rotor bars slot. Usually, the copper loss in the induction motor Rotor division contributes to the loss of energy. The research work was planned a new rotor design, by improved rotor bars type slot, size and design. These tasks were inspec

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21

Kaliyavarathan, Sathishkumar, and Sivakumaran T.S. "Design and performance analysis of novel multiphase induction motor with die-cast copper rotors using FEA for electric propulsion vehicles applications." Circuit World 46, no. 4 (2020): 271–80. http://dx.doi.org/10.1108/cw-08-2019-0106.

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Purpose The purpose of this paper is to study the development of novel multiphase induction motor (MPIM) with copper die cast rotor in the drive system of electric propulsion vehicles (EPV). It is estimated that the manufacturers are concerned about high torque,Efficiency, motor life, energy conservation and high thermal tolerance. To ensure maximum torque and efficiency with multiphase winding and copper die cast technology to increasing high thermal tolerance, life, energy conversations. On other hand, it is very important of EPV application. Design/methodology/approach The focus of the inve

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22

Zhang, Fengyu, David Gerada, Zeyuan Xu, et al. "Performance Entitlement by Using Novel High Strength Electrical Steels and Copper Alloys for High-Speed Laminated Rotor Induction Machines." Electronics 11, no. 2 (2022): 210. http://dx.doi.org/10.3390/electronics11020210.

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The laminated rotor Induction Machine (IM), with its simple construction and manufacturing, robustness, ease of control and comparatively lower cost remains by far the most utilized electromechanical energy converter. At very high speeds, traditionally its use is considered to be limited to the previously established operational limits of 2.5 × 105 rpm√kW, beyond which the surface Permanent Magnet (PM) Machine and the solid rotor Induction Machine become the machines available for consideration. The aforesaid limits are derived from the use of classic materials. This paper reviews the recent d

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23

Feng, Haichao, Jikai Si, Wei Wu, Lianghui Dong, and Zhiping Cheng. "Equivalent Circuit Parameter Calculations and Characteristics Analysis of 2-DoF Direct Drive Induction Motor with a Slotted Solid Rotor." Applied Sciences 9, no. 11 (2019): 2191. http://dx.doi.org/10.3390/app9112191.

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In this paper, a modified equivalent circuit model (ECM), which considers the effects of an arc-shaped stator structure and saturation, is presented to calculate the characteristics of a two-degree-of-freedom direct drive induction motor (2DoFDDIM). The motor has a novel slotted solid rotor (SSR), which is slotted along the axial and circumferential directions, and copper is cast in the slots. The SSR is equivalent to a cage rotor by analyzing the current distribution using the circuit diagram. The corrected ECM parameter expressions of a cage rotor are proposed to calculate the SSR parameters

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24

Daut, Ismail, Nair Gomesh, M. Ezanni, et al. "Modelling of 0.5HP Induction Motor using AC Analysis Solver for Rotor Copper Bar material." International Journal on Advanced Science, Engineering and Information Technology 1, no. 5 (2011): 472. http://dx.doi.org/10.18517/ijaseit.1.5.96.

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25

Hafiz, K., G. Nanda, and N. C. Kar. "Performance Analysis of Aluminum- and Copper-Rotor Induction Generators Considering Skin and Thermal Effects." IEEE Transactions on Industrial Electronics 57, no. 1 (2010): 181–92. http://dx.doi.org/10.1109/tie.2009.2034177.

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26

Selvaraj, D. Edison, R. Vijayraj, M. Raj Kumar та ін. "Estimation of Losses on 3Φ Nano Coated Induction Motor". Applied Mechanics and Materials 666 (жовтень 2014): 213–17. http://dx.doi.org/10.4028/www.scientific.net/amm.666.213.

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In this recent decades, there was a significant growth in the applications of nano technology in the field of electrical and electronics engineering. In this research paper, the estimation of the different types of losses on a normal and nano coated three phase induction motor was done and hence the results were compared with each other. From these researches, it found that the mechanical losses were reduced by 33.33% in the motor after nano coating whereas stator iron losses were reduced by 13.8%. Stator losses were reduced up to 16.7% by coating the windings of the motor with the enamel fill

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27

Hafiz, Khurshid, Gaurav Nanda, and Narayan C. Kar. "Comparative performance analysis of aluminum‐ and copper‐rotor induction generators in standalone wind power application." COMPEL - The international journal for computation and mathematics in electrical and electronic engineering 29, no. 5 (2010): 1309–24. http://dx.doi.org/10.1108/03321641011061515.

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28

Doddamani, Vijaykumar H., K. H. Raveesha, B. K. Prasad, and Ruchita Kumari. "On a Technique to Relate EMF & Rate of Change of Magnetic Flux." International Letters of Chemistry, Physics and Astronomy 44 (January 2015): 50–56. http://dx.doi.org/10.18052/www.scipress.com/ilcpa.44.50.

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Faradays law of Induction is the principle of generating electricity in Hydro, Thermal, Wind and Nuclear power stations. In this paper we present a method to study the relationship between induced electromagnetic force (EMF) and the rate of change of Magnetic field and hence to verify this principle. This method involves the rotation of a magnet fixed to a rotor at different angular speeds and to find the EMF induced in the copper coil kept close to the rotor. The data collected is plotted in MATLAB. The results show that Induced EMF is directly proportional to the rate change of Magnetic flux

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29

Doddamani, Vijaykumar H., K. H. Raveesha, B. K. Prasad, and Ruchita Kumari. "On a Technique to Relate EMF & Rate of Change of Magnetic Flux." International Letters of Chemistry, Physics and Astronomy 44 (January 14, 2015): 50–56. http://dx.doi.org/10.56431/p-2f586o.

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Faradays law of Induction is the principle of generating electricity in Hydro, Thermal, Wind and Nuclear power stations. In this paper we present a method to study the relationship between induced electromagnetic force (EMF) and the rate of change of Magnetic field and hence to verify this principle. This method involves the rotation of a magnet fixed to a rotor at different angular speeds and to find the EMF induced in the copper coil kept close to the rotor. The data collected is plotted in MATLAB. The results show that Induced EMF is directly proportional to the rate change of Magnetic flux

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30

Park, Hyun-Jong, Hyeon-Bin Hong, and Ki-Doek Lee. "A Study on a Design Considering the Transient State of a Line-Start Permanent Magnet Synchronous Motor Satisfying the Requirements of the IE4 Efficiency Class." Energies 15, no. 24 (2022): 9644. http://dx.doi.org/10.3390/en15249644.

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In this paper, the transient state analysis of a Line-Start Permanent Magnet Synchronous Motor (LSPMSM) and the optimum design for high efficiency were studied. In the case of an LSPMSM, aluminum bars and permanent magnets are inserted in the rotor. Since it has aluminum bars, it can be directly started on-line without closed-loop control at the time of starting, like an induction motor. Furthermore, once driven, it rotates at a synchronous speed due to the permanent magnets in the steady state. Theoretically, since the rotor bars have no induced current, copper loss does not occur in the roto

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31

Lin, Chih-Hong. "A Rectified Reiterative Sieved-Pollaczek Polynomials Neural Network Backstepping Control with Improved Fish School Search for Motor Drive System." Mathematics 8, no. 10 (2020): 1699. http://dx.doi.org/10.3390/math8101699.

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As the six-phase squirrel cage copper rotor induction motor has some nonlinear characteristics, such as nonlinear friction, nonsymmetric torque, wind stray torque, external load torque, and time-varying uncertainties, better control performances cannot be achieved by utilizing general linear controllers. The snug backstepping control with sliding switching function for controlling the motion of a six-phase squirrel cage copper rotor induction motor drive system is proposed to reduce nonlinear uncertainty effects. However, the previously proposed control results in high chattering on nonlinear

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32

Chen, Shaofeng, Yaofei Han, Zhixun Ma, Guozhen Chen, Shuai Xu, and Jikai Si. "Influence Analysis of Structural Parameters on the Performance of 120° Phase Belts Toroidal Winding Solid Rotor Induction Motor." Energies 13, no. 20 (2020): 5387. http://dx.doi.org/10.3390/en13205387.

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120° phase belt toroidal winding solid rotor induction motor (120°PBTWSRIM) has advantages of simple structure, short end winding, and high overload capacity, thus it has good development prospects. To study the influence of different structural parameters on 120°PBTWSRIM performance, the 2D finite element model is established, and the electromagnetic characteristics are analyzed. The influence of six structure parameters on the average output torque, power factor, and torque ripple are analyzed, which are slot opening width, slot opening height, slot width, slot height, slot radius, and coppe

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33

Lin, Chih-Hong, and Chang-Chou Hwang. "Multiobjective Optimization Design for a Six-Phase Copper Rotor Induction Motor Mounted With a Scroll Compressor." IEEE Transactions on Magnetics 52, no. 7 (2016): 1–4. http://dx.doi.org/10.1109/tmag.2016.2517665.

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Bobba, Phaneendra Babu, G. Sandhya Rani, and Burra Sujan Goud. "A Comparative Study on Conventional and Superconducting Electrical Machines." E3S Web of Conferences 391 (2023): 01211. http://dx.doi.org/10.1051/e3sconf/202339101211.

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This paper investigates the potential benefits of utilizing superconducting materials in machines. The project focuses on replacing the conventional copper windings with superconducting materials in a machine. The machine is modelled and simulated using ANSYS software, both with conventional copper windings and with superconducting windings. A 3.7kw and 11kw 3 phase Induction machines are simulated with YBCO material applied to stator and rotor windings. The results show that the use of superconducting materials in the machine windings can significantly reduce energy losses and improve machine

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35

O'Sullivan, Eugene J. "(Invited) Electrochemistry: Adventures in Metallization." ECS Meeting Abstracts MA2022-02, no. 30 (2022): 1081. http://dx.doi.org/10.1149/ma2022-02301081mtgabs.

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Microelectronics has benefited enormously from electrochemistry, particularly in metallization. Metallizing through-holes in multilevel printed circuit boards was a major, successful application of electroless Cu (1). Electroless Co-based magnetic films deposited on non-magnetic electroless nickel films on rigid aluminum disks propelled the magnetic storage industry for years. A decade or more ago, it looked as if electroless Co(W)(P) was the ideal candidate to replace PVD Ta-based liners for CMOS back-end-of-line (BEOL) builds (2). Its cost undid it, however, despite meeting selectivity, diff

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Zhang, Qian, Huijuan Liu, Zhenyang Zhang, and Tengfei Song. "A cast copper rotor induction motor for small commercial EV traction: Electromagnetic design, analysis, and experimental tests." CES Transactions on Electrical Machines and Systems 2, no. 4 (2018): 417–24. http://dx.doi.org/10.30941/cestems.2018.00053.

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37

Huo, F. Y., W. L. Li, H. Chi, J. C. Han, J. F. Shen, and B. R. Zhao. "Influence of copper content change in alloy material on performance of induction motor with compound cage rotor." Materials Research Innovations 19, sup1 (2015): S1–75—S1–78. http://dx.doi.org/10.1179/1432891715z.0000000001372.

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38

Sillanpää, Teemu, Alexander Smirnov, Pekko Jaatinen, et al. "Three-Axis Inductive Displacement Sensor Using Phase-Sensitive Digital Signal Processing for Industrial Magnetic Bearing Applications." Actuators 10, no. 6 (2021): 115. http://dx.doi.org/10.3390/act10060115.

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Non-contact rotor position sensors are an essential part of control systems in magnetically suspended high-speed drives. In typical active magnetic bearing (AMB) levitated high-speed machine applications, the displacement of the rotor in the mechanical air gap is measured with commercially available eddy current-based displacement sensors. The aim of this paper is to propose a robust and compact three-dimensional position sensor that can measure the rotor displacement of an AMB system in both the radial and axial directions. The paper presents a sensor design utilizing only a single unified se

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Lin, Chih-Hong. "Blend modified recurrent Gegenbauer orthogonal polynomial neural network control for six-phase copper rotor induction motor servo-driven continuously variable transmission system using amended artificial bee colony optimization." Transactions of the Institute of Measurement and Control 39, no. 6 (2016): 921–50. http://dx.doi.org/10.1177/0142331215625765.

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Because the non-linear and time-varying characteristics of the continuously variable transmission (CVT) system driven by using a six-phase copper rotor induction motor (IM) are unknown, improving the control performance of the linear control design is time consuming. To overcome difficulties in the design of a linear controller for the six-phase copper rotor IM servo-driven CVT system with lumped non-linear load disturbances, a blend modified recurrent Gegenbauer orthogonal polynomial neural network (NN) control system, which has the online learning capability to return to the non-linear time-

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Lin, Chih-Hong. "Altered Grey Wolf Optimization and Taguchi Method with FEA for Six-Phase Copper Squirrel Cage Rotor Induction Motor Design." Energies 13, no. 9 (2020): 2282. http://dx.doi.org/10.3390/en13092282.

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This paper presents an altered grey wolf optimization, the Taguchi method, and finite element analysis (FEA) with two-phase multi-objective optimization for the design of a six-phase copper squirrel cage rotor induction motor (SCSCRIM). The multi-objective optimization design with high-performance property aims to achieve lower starting current, lower losses, lower input power, higher efficiency, higher output torque, and higher power factor. The multi-objective optimization design with high-performance property using the altered grey wolf optimization, the Taguchi method, and FEA in the first

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Zhang, Jun, and Xue Fan Wang. "Investigation of Output Power and Efficiency of Wound-Rotor Brushless Doubly-Fed Machine." Advanced Materials Research 516-517 (May 2012): 1604–9. http://dx.doi.org/10.4028/www.scientific.net/amr.516-517.1604.

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Brushless Doubly-fed Machine (BDFM) is a new type of the induction machine, which has wide application in the fields of variable-speed generator and drive systems. The key factor affecting its performance is the rotor structure. In this paper, taking wound-rotor BDFM for instance, firstly, according to the relationship between the equivalent circuit parameters of the BDFM, the core equivalent circuit model of the BDFM has been derived. Secondly, based on the core equivalent circuit model and the constraints of electromagnetic load, the power distribution between the power and control windings

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Kachan, O., and S. Ulanov. "Features of the process of hot extrusion of blanks of the rotor blades of a GTE compressor." Innovative Materials and Technologies in Metallurgy and Mechanical Engineering, no. 1 (September 14, 2021): 41–46. http://dx.doi.org/10.15588/1607-6885-2021-2-7.

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Purpose. Improving the quality of manufacturing of blanks for compressor rotor blades by hot extrusion. Research methods and equipment. The research was carried out using a crank press with a force of 1000 kN, in split dies in accordance with a serial technological process. The dies were heated up to 150 ... 200 °С, to improve the work when extruding the blanks of the rotor blades made from the titanium alloy ВT8. The thickness of the copper coating was measured with an ИTMП-3 magnetic induction device with an error of ± 2 μm. X-ray spectral microanalysis was performed

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Umair, Muhammad, Faisal Khan, and Wasiq Ullah. "Stress and coupled electromagnetic-thermal analysis of field excited flux switching machine." World Journal of Engineering 17, no. 6 (2020): 891–900. http://dx.doi.org/10.1108/wje-04-2020-0141.

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Purpose Field excited flux switching machines (FEFSM) are preferred over induction and synchronous machines due to the confinement of all excitation sources on the stator leaving a robust rotor. This paper aims to perform coupled electromagnetic thermal analysis and stress analysis for single phase FEFSM as, prolonged high-speed operational time with core and copper losses makes it prone to stress and thermal constraints as temperature rise in machine lead to degraded electromagnetic performance whereas the violation of the principle stress limit may result in mechanical deformation of the rot

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Lin, Chih-Hong, and Chang-Chou Hwang. "Multi-objective optimization design using amended particle swarm optimization and Taguchi method for a six-phase copper rotor induction motor." Engineering Optimization 49, no. 4 (2016): 693–708. http://dx.doi.org/10.1080/0305215x.2016.1208463.

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Ahmed, Firoz, and Narayan C. Kar. "Analysis of End-Winding Thermal Effects in a Totally Enclosed Fan-Cooled Induction Motor With a Die Cast Copper Rotor." IEEE Transactions on Industry Applications 53, no. 3 (2017): 3098–109. http://dx.doi.org/10.1109/tia.2017.2648780.

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Chen, Keyu, Philippe Delarue, Alain Bouscayrol, Paul-Etienne Vidal, and Maria Pietrzak-David. "Minimum Copper Loss and Power Distribution Control Strategies of Double-Inverter-Fed Wound-Rotor Induction Machines Using Energetic Macroscopic Representation." IEEE Transactions on Energy Conversion 25, no. 3 (2010): 642–51. http://dx.doi.org/10.1109/tec.2009.2025414.

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Lu, Xiaomin, K. Lakshmi Varaha Iyer, Kaushik Mukherjee, and Narayan C. Kar. "A Wavelet/PSO Based Voltage Regulation Scheme and Suitability Analysis of Copper- and Aluminum-Rotor Induction Machines for Distributed Wind Power Generation." IEEE Transactions on Smart Grid 3, no. 4 (2012): 1923–34. http://dx.doi.org/10.1109/tsg.2012.2197643.

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Pyrhönen, Juha, Janne Nerg, Aki Mikkola, Jussi Sopanen, and Tuomo Aho. "Electromagnetic and mechanical design aspects of a high-speed solid-rotor induction machine with no separate copper electric circuit in the megawatt range." Electrical Engineering 91, no. 1 (2009): 35–49. http://dx.doi.org/10.1007/s00202-009-0114-1.

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Pyrhönen, Juha, Janne Nerg, Jussi Sopanen, Aki Mikkola, and Tuomo Aho. "Electromagnetic and mechanical design aspects of a high-speed solid-rotor induction machine with no separate copper electric circuit in the megawatt range." Electrical Engineering 91, no. 2 (2009): 115. http://dx.doi.org/10.1007/s00202-009-0115-0.

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Lin, Chih-Hong. "Sage Revised Reiterative Even Zernike Polynomials Neural Network Control with Modified Fish School Search Applied in SSCCRIM Impelled System." Mathematics 8, no. 10 (2020): 1760. http://dx.doi.org/10.3390/math8101760.

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In light of fine learning ability in the existing uncertainties, a sage revised reiterative even Zernike polynomials neural network (SRREZPNN) control with modified fish school search (MFSS) method is proposed to control the six-phase squirrel cage copper rotor induction motor (SSCCRIM) impelled continuously variable transmission assembled system for obtaining the brilliant control performance. This control construction can carry out the SRREZPNN control with the cozy learning law, and the indemnified control with an assessed law. In accordance with the Lyapunov stability theorem, the cozy lea

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