Optimal Rotor Pole Study of Outward Rotor Switched Flux Permanent Magnet Machine for Downhole Application

2018 5th International Multi-Topic ICT Conference (IMTIC) Pub Date : 2018-04-01 DOI:10.1109/IMTIC.2018.8467269

R. Kumar, Pawan Kumar, R. Amin, Bhawani Shankar Chowdhry, B. Das

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引用次数: 1

Abstract

In recent years, deep and ultra deep water drilling for oil and gas exploration become more popular due to improved production and low offshore environmental effects. Since, electric machine plays a leading role and become the prominent part of drilling application due to majority of problems occurs in the motor. Therefore, this research work particularly concerns about rotor pole study of outward rotor switched flux permanent magnet machine for downhole application. By utilizing several design specifications and restrictions, design methodology and preliminary outcomes of the proposed machine at various rotor pole number and 12 stator slots are exhibited. Initial, the profile of flux linkage and distribution, induced voltages, cogging torque analyses are conducted at open circuit. Then, the average electromagnetic torque and speed characteristics at various torque-power conditions are examined under 2D- finite element analysis (FEA). Finally, outward rotor machine with 12 stator slot and 22 rotor pole generates higher torque, power with low cogging torque.

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井下外转子开关磁通永磁电机转子极优化研究

近年来，深水和超深水钻井由于产量提高和海洋环境影响小而越来越受欢迎。由于大多数问题发生在电机上，因此电机起主导作用，成为钻井应用的突出部分。因此，本研究工作特别关注于井下应用的外转子开关磁通永磁电机转子极的研究。通过利用几种设计规范和限制，展示了不同转子极数和12个定子槽的设计方法和初步结果。首先，在开路状态下对磁链分布、感应电压、齿槽转矩进行了分析。然后，利用二维有限元分析(FEA)分析了不同转矩-功率条件下的平均电磁转矩和速度特性。最后，12个定子槽和22个转子极的外向转子电机产生更高的转矩，低齿槽转矩的功率。

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2018 5th International Multi-Topic ICT Conference (IMTIC)

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