Experimental Study of Oil Cooled Induction Motor for Hybrid and Electric Vehicles

Assaad, Bassel; Mikati, Karim; Tran, Trung-Viet; Negre, Edouard

doi:10.1109/icelmach.2018.8507058

Cited by 26 publications

(14 citation statements)

References 8 publications

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“…The IM further required a special rotor cooling technique to improve its reliability. When this technique is not applied, the reliability of the motor significantly decreases due to overheating, leading to the proneness to failure [13], [15]- [17]. Additional cooling also increases the production and complexity of the IM, based on the requirement of a special rotor design.…”

Section: Permanent Magnet Design Specificationmentioning

confidence: 99%

Designing and performance investigation of permanent magnet motor prototype for UTV electric drive train application

Yuniarto

Nugraha

Negara

et al. 2021

IJPEDS

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<span lang="EN-US">The dynamic design specifications of a vehicle are used to define the required torque and speed of a permanent magnet motor. This is due to providing clear instructions on the intent, performance, and construction of a vehicle. Therefore, this study aims to determine an engineering design and prototyping process of a Permanent Magnet Motor, to be used as an electric powertrain in a Utility Vehicle. Based on being used in severe road condition (steep inclination and off road), the vehicle should be able to handle a 45° inclination with total payload of approximately 250 kg. Using a rear-wheel-drive traction, its weight should also be less than 1000 kg. Furthermore, the motor should be operated at a maximum battery voltage of 100 V. According to the requirements, the electric powertrain should further have the ability to deliver a torque of approximately 1600 Nm on both rear wheels. Using a finite element method to simulate performances, transmission was coupled to the motor in providing the required torque. In addition, the motor prototype was subsequently manufactured and tested using a dynamometer. The results showed that the motor produced 19.6 kW, 5600 RPM, and 75 Nm at 96 V. Therefore, the design and prototyping process of the motor satisfied all the required specification.</span>

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Section: Permanent Magnet Design Specificationmentioning

confidence: 99%

Designing and performance investigation of permanent magnet motor prototype for UTV electric drive train application

Yuniarto

Nugraha

Negara

et al. 2021

IJPEDS

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“…8 The temperature distribution of motor [54] a without air-gap fan; b with air-gap fan Fig. 9 Liquid cooling of induction motor a water jacket cooling [57] and b oil cooling [58] management of a 100 kW level induction motors. As shown in Fig.…”

Section: The Thermal Management Of Alternating Current Induction Motormentioning

confidence: 99%

“…When the capacity and the inlet temperature of the cooling fluid were 50 kW and 65 °C, the maximum temperature of the stator predicted was 121.5 °C, which was well below the temperature limit. Assaad et al [58] proposed an oil-cooled induction motor, whose shaft was hollow functioning as the oil passage and with small holes on its surface. Through these small holes, the oil were projected to the stator end winding and bearings as shown in Fig.…”

Section: The Thermal Management Of Alternating Current Induction Motormentioning

confidence: 99%

Thermal Management of Electrified Propulsion System for Low-Carbon Vehicles

Huang

Wang

et al. 2020

Automot. Innov.

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An overview of current thermal challenges in transport electrification is introduced in order to underpin the research developments and trends of recent thermal management techniques. Currently, explorations of intelligent thermal management and control strategies prevail among car manufacturers in the context of climate change and global warming impacts. Therefore, major cutting-edge systematic approaches in electrified powertrain are summarized in the first place. In particular, the important role of heating, ventilation and air-condition system (HVAC) is emphasised. The trends in developing efficient HVAC system for future electrified powertrain are analysed. Then electric machine efficiency is under spotlight which could be improved by introducing new thermal management techniques and strengthening the efforts of driveline integrations. The demanded integration efforts are expected to provide better value per volume, or more power output/torque per unit with smaller form factor. Driven by demands, major thermal issues of high-power density machines are raised including the comprehensive understanding of thermal path, and multiphysics challenges are addressed whilst embedding power electronic semiconductors, non-isotropic electromagnetic materials and thermal insulation materials. Last but not least, the present review has listed several typical cooling techniques such as liquid cooling jacket, impingement/spray cooling and immersion cooling that could be applied to facilitate the development of integrated electric machine, and a mechanic-electric-thermal holistic approach is suggested at early design phase. Conclusively, a brief summary of the emerging new cooling techniques is presented and the keys to a successful integration are concluded.

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“…The power density of the motor is enhanced, leading to higher local thermal constraints. Consequently, innovative cooling-system concepts are being considered, using lubricating oil jets, which are more efficient than traditional air systems; contrary to water cooling, they directly cool critical parts [1][2][3][4]. Due to its high-density heat removal capacities, jet impingement has been employed for many years in other industrial applications ranging from metal processing to piston or electronic chipset cooling.…”

Section: Introductionmentioning

confidence: 99%

An experimental study of local heat transfer using high Prandtl number liquid jets

Renon

Fénot

Girault

et al. 2021

International Journal of Heat and Mass Transfer

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Experimental Study of Oil Cooled Induction Motor for Hybrid and Electric Vehicles

Cited by 26 publications

References 8 publications

Designing and performance investigation of permanent magnet motor prototype for UTV electric drive train application

Designing and performance investigation of permanent magnet motor prototype for UTV electric drive train application

Thermal Management of Electrified Propulsion System for Low-Carbon Vehicles

An experimental study of local heat transfer using high Prandtl number liquid jets

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