scholarly journals Review of Electrical Motor Drives for Electric Vehicle Applications

Author(s):  
Wenping Cao ◽  
Abid Ali Shah Bukhari ◽  
Lassi Aarniovuori

EVs (Electric Vehicles) have been rejuvenated over the last decades while the motor drive technologies are still evolving. This paper provides a review of electrical motor drive technologies used in EV applications, with a performance comparison of candidate machines and their drive topologies. EV applications demand high efficiency, high torque density, high reliability, and wide speed range while reducing weight, complexity, total costs and environmental impact. In the literature, DC (Direct Current) motors, IMs (Induction Motors) and PM (Permanent Magnet) motors can be generally found in marketplace whilst RMs (Reluctance Motors) have been researched for some time and are nearing commercial availability. This paper evaluates the performance of these four main types of electrical motor drives for EV propulsion applications using analytical methods. PM motors may offer the best performance in terms of torque density and compactness but the cost is the highest (primarily dominated by rare-earth permanent magnets), limiting their widespread application in mass production EVs. DC motors have their own merits but suffer from limited power density and necessity for maintenance. Induction motor drives are a mature and proven technology. In particular, squirrel-cage IMs are robust, reliable and inexpensive, striking a balance between system cost and complexity, power density and extended speed range. Reluctance motors can provide a good torque density and cost effective EV drive solutions. Their drawbacks can also be overcome by the use of power electronic converters and advanced control strategies. Induction and reluctance motor drives are well suited for cost sensitive mass production EV applications. Looking to the future, increased hybridization may be a way forward in industry which combines attractive features of different electrical machines and control algorithms and still offer much promise in performance and total cost. At last, reliability study on EVs requires historical information and driving patterns, demanding research expertise in eco-sociology, human behaviors as well as human-machine interface.

2020 ◽  
Author(s):  
Rajesh Pindoriya

<div>This paper presents a state of the art on brushless </div><div>Permanent Magnet Alternative Current (PMAC) and </div><div>Permanent Magnet Direct Current (PMDC) motor drives. The </div><div>brushless PMAC and PMDC motor drives are the latest choices </div><div>of researchers due to their high efficiency, silent operation, </div><div>compact size, high reliability, and low maintenance </div><div>requirements. These motors are preferred for numerous </div><div>applications. An in-depth analysis of PMAC and PMDC motor </div><div>drives have been discussed. The Permanent Magnets (PMs)</div><div>motor drives can be classified into two categories, first is PMAC </div><div>motor drives, i.e. PMSM and the second one is PMDC motor</div><div>drives, i.e. BLDC motors. There has been a long </div><div>misunderstanding between the two ways of driving and </div><div>controlling a motor with no windings on the rotor but only </div><div>PMs. In this paper given a comprehensive analysis of both </div><div>motor drives. So, beginner of the research scholars are easily </div><div>able to understand about brushless PMAC and PMDC motor </div><div>drives.</div>


2020 ◽  
Author(s):  
Rajesh Pindoriya

<div>This paper presents a state of the art on brushless </div><div>Permanent Magnet Alternative Current (PMAC) and </div><div>Permanent Magnet Direct Current (PMDC) motor drives. The </div><div>brushless PMAC and PMDC motor drives are the latest choices </div><div>of researchers due to their high efficiency, silent operation, </div><div>compact size, high reliability, and low maintenance </div><div>requirements. These motors are preferred for numerous </div><div>applications. An in-depth analysis of PMAC and PMDC motor </div><div>drives have been discussed. The Permanent Magnets (PMs)</div><div>motor drives can be classified into two categories, first is PMAC </div><div>motor drives, i.e. PMSM and the second one is PMDC motor</div><div>drives, i.e. BLDC motors. There has been a long </div><div>misunderstanding between the two ways of driving and </div><div>controlling a motor with no windings on the rotor but only </div><div>PMs. In this paper given a comprehensive analysis of both </div><div>motor drives. So, beginner of the research scholars are easily </div><div>able to understand about brushless PMAC and PMDC motor </div><div>drives.</div>


2021 ◽  
Vol 12 (4) ◽  
pp. 186
Author(s):  
Yunhao Huang ◽  
Puqi Ning ◽  
Han Cao ◽  
Tao Fan

At present, the DC busbar design is one of the bottlenecks restricting the improvement of the power density of motor drives. Therefore, this paper proposes a three-dimensional line probe algorithm, which can realize the automatic routing of laminated busbar in motor drives. The specific rules and implementation of this method are introduced in detail in this paper. Finally, an example of busbar design of a vehicle motor drive is given to verify the routing rate and execution speed of the algorithm.


Author(s):  
Yuliang Wen ◽  
Hanfeng Zheng ◽  
Fang Yang ◽  
Xiaofan Zeng

Abstract Permanent magnet synchronous motor (PMSM) has the advantages of high efficiency, high power density and high reliability. It has been widely used in electric vehicles, rail transit, industrial transmission and other fields. Compared with the traditional PMSM control strategy, the Indirect stator-quantities control (ISC) of low torque ripple induction motor has high dynamic response performance in the whole speed range, with high stability and strong security. However, due to the inherent characteristics of PMSM, there are still some difficulties in applying ISC strategy, such as solving the load angle corresponding to the current torque, realizing the maximum torque per ampere (MTPA) control and flux weakening control method in the stator field oriented control algorithm of PMSM. In this paper, theoretical analysis and discussion are carried out for the above difficulties, and an indirect stator vector control (ISC) method for PMSM is proposed. Finally, combined with the electric drive application platform of electric vehicle, the simulation and experimental results verify that the proposed ISC control strategy of PMSM also has good dynamic and steady-state performance in the whole speed range.


2015 ◽  
Vol 62 (2) ◽  
pp. 814-825 ◽  
Author(s):  
Michele Mengoni ◽  
Luca Zarri ◽  
Angelo Tani ◽  
Leila Parsa ◽  
Giovanni Serra ◽  
...  

Author(s):  
S. F. Rabbi ◽  
M. M. Sarker ◽  
D. G. Rideout ◽  
S. D. Butt ◽  
M. A. Rahman

This paper presents the analysis of a hysteresis interior permanent magnet (IPM) motor drive for electric submersible pumps. A hysteresis IPM motor is a self-starting solid rotor hybrid synchronous motor. Its rotor has a cylindrical ring made of composite materials with high degree of hysteresis energy. The rare earth permanent magnets are buried inside the hysteresis ring. A hysteresis IPM motor can self-start without the need of additional position sensors and complex control techniques. It does not have any slip power losses in the rotor at steady state which results in less heat dissipation and low electrical losses. When used in an electric submersible pump (ESP) for oil production, it has the ability to automatically adapt itself to the changes in well conditions. In this paper, a bond graph model of a hysteresis IPM motor ESP drive is used to predict the effect of pump shaft geometry on transient behaviour of the drive during start-up. Simulation results show that the hysteresis IPM motor drive has high efficiency, and is better able to maintain its speed during changes in load. Due to increased efficiency and simplified controller requirements, the hysteresis IPM motor is proposed as a replacement for the standard induction motor currently used for downhole ESPs. This is expected to improve ESP performance and reliability which are critical requirements for use in harsh offshore environments such as Atlantic Canada.


Energies ◽  
2018 ◽  
Vol 11 (8) ◽  
pp. 2141 ◽  
Author(s):  
Yuqing Yao ◽  
Chunhua Liu ◽  
Christopher H.T. Lee

Multiphase machines have some distinct merits, including the high power density, high torque density, high efficiency and low torque ripple, etc. which can be beneficial for many industrial applications. This paper presents four different types of six-phase outer-rotor permanent-magnet (PM) brushless machines for electric vehicles (EVs), which include the inserted PM (IPM) type, surface PM (SPM) type, PM flux-switching (PMFS) type, and PM vernier (PMV) type. First, the design criteria and operation principle are compared and discussed. Then, their key characteristics are addressed and analyzed by using the finite element method (FEM). The results show that the PMV type is quite suitable for the direct-drive application for EVs with its high torque density and efficiency. Also, the IPM type is suitable for the indirect-drive application for EVs with its high power density and efficiency.


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