• Title, Summary, Keyword: IPMSM

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Investigation of a Thermal Analysis Method for IPMSM in Railway Vehicles (철도차량용 영구자석 동기전동기의 열해석 기법 연구)

  • Park, Chan-Bae;Lee, Hyung-Woo;Lee, Byung-Song
    • Journal of the Korean Society for Railway
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    • v.16 no.2
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    • pp.99-103
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    • 2013
  • In this paper, research on the thermal analysis method is reported for the characterization of heat generation while operating an Interior Permanent Magnet Synchronous Motor (IPMSM) for railway vehicles. Efficient cooling of the heat generated in the IPMSM is important because the excessive heat generated from the winding, core and permanent magnets increases the difficulty of continuously operating an IPMSM over long time periods. Therefore, in this study, in order to analyze the heat generation characteristics of the IPMSM for advanced research in the application of IPMSMs to cooling devices, the heat transfer coefficients for each component of the IPMSM were derived and the thermal equivalent circuit was configured to perform thermal analyses. Finally, the validation of the suggested thermal analysis method was performed through comparison with the heat experimental data of an IPMSM prototype.

The Design and Characteristics Comparison of 600W Class Consequent Pole Type IPMSM (600W급 Consequent Pole Type IPMSM 설계 및 특성 비교)

  • Gim, Gyu-Hwa;Park, Byung-Jun;Kim, Yongn-Tae;KimJang, Gyu-Tak
    • The Transactions of The Korean Institute of Electrical Engineers
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    • v.67 no.8
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    • pp.1040-1046
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    • 2018
  • The Permanent Magnet Synchronous Motor(PMSM) has various advantages. However, new types of research have been carried out because of rising prices of materials for rare earth magnets used in PMSM and also unstable supply. In this paper, we propose Consequent Pole(CP) type IPMSM for magnet reduction. The shape of CP type IPMSM stator was same with Basic model IPMSM. The design of the rotor shape was proceeded that CP type IPMSM achieved the same output as the basic model IPMSM. Finally, the selected model and IPMSM were compared and discussed.

Efficiency Optimization Control of IPMSM Drive using Multi AFLC (다중 AFLC를 이용한 IPMSM 드라이브의 효율 최적화 제어)

  • Choi, Jung-Sik;Ko, Jae-Sub;Chung, Dong-Hwa
    • The Transactions of the Korean Institute of Electrical Engineers P
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    • v.59 no.3
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    • pp.279-287
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    • 2010
  • Interior permanent magnet synchronous motor(IPMSM) adjustable speed drives offer significant advantages over induction motor drives in a wide variety of industrial applications such as high power density, high efficiency, improved dynamic performance and reliability. This paper proposes efficiency optimization control of IPMSM drive using adaptive fuzzy learning controller(AFLC). In order to optimize the efficiency the loss minimization algorithm is developed based on motor model and operating condition. The d-axis armature current is utilized to minimize the losses of the IPMSM in a closed loop vector control environment. The design of the current based on adaptive fuzzy control using model reference and the estimation of the speed based on neural network using ANN controller. The controllable electrical loss which consists of the copper loss and the iron loss can be minimized by the optimal control of the armature current. The minimization of loss is possible to realize efficiency optimization control for the proposed IPMSM. The optimal current can be decided according to the operating speed and the load conditions. This paper considers the design and implementation of novel technique of high performance speed control for IPMSM using AFLC. Also, this paper proposes speed control of IPMSM using AFLC1, current control of AFLC2 and AFLC3, and estimation of speed using ANN controller. The proposed control algorithm is applied to IPMSM drive system controlled AFLC, the operating characteristics controlled by efficiency optimization control are examined in detail.

Efficiency Optimization Control of IPMSM with Adaptive FLC-FNN Controller (적응 FLC-FNN 제어기에 의한 IPMSM의 효율 최적화 제어)

  • Choi, Jung-Sik;Ko, Jae-Sub;Chung, Dong-Hwa
    • The Transactions of the Korean Institute of Electrical Engineers P
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    • v.56 no.2
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    • pp.74-82
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    • 2007
  • Interior permanent magnet synchronous motor(IPMSM) has become a popular choice in electric vehicle applications, due to their excellent power to weight ratio. This paper proposes efficiency optimization control of IPMSM drive using adaptive fuzzy learning control fuzzy neural network (AFLC-FNN) controller. In order to maximize the efficiency in such applications, this paper proposes the optimal control method of the armature current. The controllable electrical loss which consists of the copper loss and the iron loss can be minimized by the optimal control of the armature current. The minimization of loss is possible to realize efficiency optimization control for the proposed IPMSM. The optimal current can be decided according to the operating speed and the load conditions. This paper considers the design and implementation of novel technique of high performance speed control for IPMSM using AFLC-FNN controller. Also, this paper proposes speed control of IPMSM using AFLC-FNN and estimation of speed using ANN controller. The back propagation neural network technique is used to provide a real time adaptive estimation of the motor speed. The proposed control algorithm is applied to IPMSM drive system controlled AFLC-FNN controller, the operating characteristics controlled by efficiency optimization control are examined in detail.

A Study on the Thermal Characteristics of 110kW-class IPMSM for Light Railway Transit using the 3-Dimensional Thermal Equivalent Network considering Heat Source by Iron Loss Density Distributions (철손밀도 분포에 의한 열원이 고려된 3차원 열등가회로망을 이용한 경량전철 구동용 110kW급 IPMSM의 열 특성 연구)

  • Park, Chan-Bae
    • The Transactions of The Korean Institute of Electrical Engineers
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    • v.62 no.7
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    • pp.1038-1044
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    • 2013
  • A research on thermal analysis method is conducted for the characterization of heat generation during operation of Interior Permanent Magnet Synchronous Motor(IPMSM) for Light Railway Transits(LRT) in this paper. Efficient cooling of the heat generated in the IPMSM is important because the excessive heat generated from the winding, core and permanent magnet makes it harder for a long time continuous operation of IPMSM. Therefore, in order to analyze the heat generation characteristics of the 110kW-class IPMSM as advanced research for application the IPMSM to the cooling device, the heat transfer coefficients for each component of the 110 kW-class IPMSM were derived and the thermal equivalent network was configured to perform the thermal analysis in this study. Finally, the 110kW-class IPMSM prototype is made and a comparative verification between the test data and the thermal analysis results through its various performance tests are carried out.

Maximum Torque Control of IPMSM with Adoptive Leaning Fuzzy-Neural Network (적응학습 퍼지-신경회로망에 의한 IPMSM의 최대토크 제어)

  • Chung, Dong-Hwa;Ko, Jae-Sub;Choi, Jung-Sik
    • Journal of the Korean Institute of Illuminating and Electrical Installation Engineers
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    • v.21 no.5
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    • pp.32-43
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    • 2007
  • Interior permanent magnet synchronous motor(IPMSM) has become a popular choice in electric vehicle applications, due to their excellent power to weight ratio. This paper proposes maximum torque control of IPMSM drive using adaptive learning fuzzy neural network and artificial neural network. This control method is applicable over the entire speed range which considered the limits of the inverter's current and voltage rated value. This paper proposes speed control of IPMSM using adaptive learning fuzzy neural network and estimation of speed using artificial neural network. The back propagation neural network technique is used to provide a real time adaptive estimation of the motor speed. The proposed control algorithm is applied to IPMSM drive system controlled adaptive learning fuzzy neural network and artificial neural network, the operating characteristics controlled by maximum torque control are examined in detail. Also, this paper proposes the analysis results to verify the effectiveness of the adaptive learning fuzzy neural network and artificial neural network.

A Study on the Design of a 130kW-class IPMSM for Propulsion of Tram-Train (트램-트레인 추진용 130kW급 IPMSM 설계 연구)

  • Jeong, Geochul;Park, Chan-Bae;Lee, Hyung-Woo;Lee, Sang-Don;Lee, Ju
    • Journal of the Korean Society for Railway
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    • v.19 no.4
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    • pp.427-435
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    • 2016
  • This study considers the design of a 130kW-class IPMSM for propulsion of a Tram-Train. This Tram-Train has a wide range of speed variation. For this reason, this study suggested IPMSM, which has wide speed variation as a motor for propulsion of the Tram-Train, a basic model suitable for the required traction force was designed. IPMSM has different electromagnetic and structural characteristics depending on the shapes of its rotor. Therefore, the suggested model was additionally designed, and by dividing a permanent magnet was changed so as th have a shape with an added bridge. Finally, by analyzing the load characteristics with finite element analysis of the basic and suggested models and by comparing electromagnetic and structural characteristics, a model has been derived that satisfies IPMSM for the propulsion of the Tram-Train.

Thermal Analysis of IPMSM with Water Cooling Jacket for Railway Vehicles

  • Park, Chan-Bae
    • Journal of Electrical Engineering and Technology
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    • v.9 no.3
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    • pp.882-887
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    • 2014
  • In this paper, the water cooling method among the forced coolant cooling methods is considered to be applied to the 110kW-class IPMSM for railway vehicles. First, basic thermal property analysis of the IPMSM is conducted using the three-dimensional thermal equivalent network method. Then, based on the results of the basic thermal property analysis, some design requirements for the water cooling jacket are deduced and a basic design of the water cooling jacket is carried out. Finally, thermal equivalent circuit of the water cooling jacket is attached to the IPMSM's 3D thermal equivalent network and then, the basic thermal and effectiveness analysis are conducted for the case of applying the water cooling jacket to the IPMSM. In the future, the thermal variation trends inside the IPMSM by the application of the water cooling jacket is expected to be quickly and easily predicted even at the design step of the railway traction motor.

Development of an 80[kW] IPMSM Drive System for an Electric Vehicle (전기자동차용 80[kW] IPMSM 구동 시스템 개발)

  • Kim, Sang-Hoon;Park, Nae-Chun
    • Journal of Industrial Technology
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    • v.33 no.A
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    • pp.61-66
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    • 2013
  • This paper is about the development of 80[kW] IPMSM(Interior Permanent Magnet Synchronous Motor) drive system for an electric vehicle. MTPA(Maximum Torque per Ampere) operation and flux-weakening operation for the optimal torque control of the IPMSM are presented. In this system, the torque control of the IPMSM is achieved by using the look-up table, which gives d- and q-aixs current references for the given torque command in the MTPA operation and flux-weakening operation regions. This look-up table is made by current injection tests, and from which the motor parameters are also estimated. The proposed system is verified by the experiment on the electric vehicle drive system, which consists of an 80[kW] IPMSM and an IGBT inverter.

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Thermal Analysis of IPMSM According to Current Vector Control Method (전류 벡터 제어 방식에 따른 IPMSM의 온도 특성 해석)

  • Kye, Seung-Hyun;Jeong, Tae-Seok;Cho, Gyu-Won;Jang, Ki-Bong;Kim, Gyu-Tak
    • The Transactions of The Korean Institute of Electrical Engineers
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    • v.61 no.10
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    • pp.1420-1425
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    • 2012
  • Nowadays, Interior permanent magnet synchronous motor(IPMSM) which having high power density is much used for the vehicles. However, IPMSM causes a lot of losses because of high-speed driving and high current density, and temperature rising by iron loss and copper loss could reduce torque characteristics and durability of IPMSM. Therefore, analysis about thermal characteristics of IPMSM is required at design stage. In this paper, temperature characteristics according to current vector control method were analyzed through calculate thermal equivalent circuit. And calculated results were verified through comparing with the experiments.