Rotor Shape Design of an Interior PM Type BLDC Motor for Improving Mechanical Vibration and EMI Characteristics

Hur, Jin; Kim, Byeong-Woo

doi:10.5370/jeet.2010.5.3.462

Cited by 31 publications

(10 citation statements)

References 4 publications

Supporting

Mentioning

Contrasting

Order By: Relevance

“…The interior permanent magnet synchronous motor (IPMSM) using rare earth element magnets is widely employed by motors because of high power density and wide speed range. In addition, the increasing fuel costs and environmental concerns have been pushing research and development in the field of traction electrification [1, 2].…”

Section: Introductionmentioning

confidence: 99%

Comparative study of concentrated flux synchronous motor and multi‐layer IPMSM for traction drives using non‐rare earth permanent magnet

Kim

Lee

2020

IET Electric Power Applications

View full text Add to dashboard Cite

The rare earth permanent magnet (PM) is widely used for traction motors of hybrid and electric vehicles. These motors have more torque density compared to any other type of motors. However, these PMs have the problems of limited reserves, unstable supply, and high cost. For solving these problems, concentrated flux synchronous motor (CFSM) and multi‐layer interior permanent magnet synchronous motor (IPMSM), using ferrite PMs, are compared in this study. The CFSM and multi‐layer IPMSM are introduced and compared with regard to shape, size, electric parameter, and motor characteristics. In addition, two types of motors are fabricated and tested in order to verify their performance and feasibility. Finally, comparing the merits and demerits, the comparative motor types are estimated in this study.

show abstract

Section: Introductionmentioning

confidence: 99%

Comparative study of concentrated flux synchronous motor and multi‐layer IPMSM for traction drives using non‐rare earth permanent magnet

Kim

Lee

2020

IET Electric Power Applications

View full text Add to dashboard Cite

show abstract

“…The BLDC has a non-sinusoidal back-EMF which is nearly trapezoidal or rectangular shape of waveform for stator phase current due to magnet displacement and concentrated winding. Therefore, particular control approach is required in order to develop constant mutual torque [4]. However, BLDC has a major drawback which during operation produce large torque ripple and variable inverter switching frequency.…”

Section: Introductionmentioning

confidence: 99%

A simple constant switching frequency of direct torque control of brushless DC motor

Tarmizi¹,

Jidin²,

Karim³

et al. 2019

IJPEDS

View full text Add to dashboard Cite

This paper discusses about direct torque control of Brushless DC motor by injecting the triangular waveform and using PI controller in order to reduce the torque and obtain constant switching frequency. Brushless DC motor are widely used in applications which require wide range of speed and torque control because of robust, longer lifespan, faster torque response and able to operate at high speed. Unlike conventional three phase DTC of induction machine (IM),the proposed DTC approach introduces two phase conduction mode. Besides that, the magnitude flux is considered constant in which the results only gains from constant torque region. Thus, the flux control loop is eliminated while implement this scheme. Using the triangular waveform that will be compare with actual torque, the proper switching pattern can be selected to control the generated torque and reducing commutation torque ripple. The torque response depends on the speed of the stator flux linkage which is directly controlled by selecting appropriate voltage space vectors from a look-up table to make sure the torque error within the band. The validity of the proposed control scheme for constant switching frequency and reduce torque ripple are verified through simulation and experimental results.

show abstract

“…That is, the quantity of the radiation heat is related to the volume and the temperature change of the coolant, and the thermal capacity is the ability to take up heat as shown in (2). On the average, the flux of a coolant used in cooling is 8-10 LPM.…”

Section: Radiant Heat By Coolantmentioning

confidence: 99%

“…Such a design is made more effective using a motor with high power density. In other words, if the heat is rapidly radiated to an external coolant in the cooling system, high power density will be obtained to use of high current density at an similar size [2].…”

Section: Introductionmentioning

confidence: 99%

Thermal Analysis of Water Cooled ISG Based on a Thermal Equivalent Circuit Network

Kim¹,

Lee²,

Jung³

et al. 2014

Journal of Electrical Engineering and Technology

View full text Add to dashboard Cite

-Recently, the interior permanent synchronous motor (IPMSM) has been applied to an integrated starter and generator (ISG) for hybrid electric vehicles. In the design of such a motor, thermal analysis is necessary to maximize the power density because the loss is proportional to the power of a motor. Therefore, a cooling device as a heat sink is required internally. Generally, a cooling system designed with a water jacket structure is widely used for electric motors because it has advantages of simple structure and cooling effectiveness. An effective approach to analyze an electric machine with a water jacket is a thermal equivalent network. This network is composed of thermal resistance, a heat source, and thermal capacitance that consider the conduction, convection, and radiation. In particular, modeling of the cooling channel in a network is challenging owing to the flow of the coolant. In this paper, temperature prediction using a thermal equivalent network is performed in an ISG that has a water cooled system. Then, an experiment is conducted to verify the thermal equivalent network.

show abstract

Rotor Shape Design of an Interior PM Type BLDC Motor for Improving Mechanical Vibration and EMI Characteristics

Cited by 31 publications

References 4 publications

Comparative study of concentrated flux synchronous motor and multi‐layer IPMSM for traction drives using non‐rare earth permanent magnet

Comparative study of concentrated flux synchronous motor and multi‐layer IPMSM for traction drives using non‐rare earth permanent magnet

A simple constant switching frequency of direct torque control of brushless DC motor

Thermal Analysis of Water Cooled ISG Based on a Thermal Equivalent Circuit Network

Contact Info

Product

Resources

About