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首页> 外文期刊>IEEE Transactions on Energy Conversion >Electromagnetic Energy Conversion Efficiency Enhancement of Switched Reluctance Motors With Zero-Voltage Loop Current Commutation
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Electromagnetic Energy Conversion Efficiency Enhancement of Switched Reluctance Motors With Zero-Voltage Loop Current Commutation

机译：零电压回路电流换向的开关磁阻电动机的电磁能量转换效率提高

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Zero-voltage loop (ZVL) commutation in switched reluctance (SR) motor operation can result in a significant improvement of their performance by lowering the flux-linkage peaks and harmonic magnitudes of the magnetic flux densities within the core of the SR motor. The efficiency enhancement provided by ZVL commutation, especially in high-speed SR motoring has not been thoroughly investigated to-date. This paper investigates the energy conversion efficiency of SR motors with ZVL current commutation. The lowering of core losses is investigated with finite element modeling of a 250 kW 12/8 SR motor. An enhancement of efficiency in the ranges of 0--3% and 0--5% is computed considering operation below base-speed and above base-speed respectively. The effect of core material on the ZVL commutation performance is also investigated for the 250 kW 12/8 SR motor. The increase of efficiency with ZVL is further validated with experimental results on a 300 W 6/4 SR motor which achieves an enhancement in the range of 2–6%.
机译：开关磁阻（SR）电动机操作中的零电压环路（ZVL）换向可通过降低SR电动机铁心内的磁链密度峰值和磁通量密度的谐波幅度来显着改善其性能。迄今为止，尚未充分研究ZVL换向提供的效率提高，尤其是在高速SR电机中。本文研究了采用ZVL电流换向的SR电机的能量转换效率。使用250kW 12/8 SR电机的有限元模型研究了铁心损耗的降低。分别考虑低于基本速度和高于基本速度的操作，可计算出效率在0--3％和0--5％范围内的增强。对于250kW 12/8 SR电机，还研究了芯材对ZVL换向性能的影响。 ZVL的效率提高在300W 6/4 SR电动机上的实验结果得到了进一步验证，该电动机的功率范围提高了2％至6％。

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